CINXE.COM

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https://www.nist.gov/pml/owm/resources-weights-and-measures/state-metrology-laboratories" title="Email" class="nist-social nist-social--envelope-gray"> Email </a> </div> </div> </div> </div>  </div> <div class="nist-block" > <div class="text-with-summary"> <a class="ck-anchor" id="Top"></a>| <a href="#Alabama">Alabama</a> | <a href="#Alaska">Alaska</a> | <a href="#Arizona">Arizona</a> | <a href="#Arkansas">Arkansas</a> | <a href="#California">California</a> | <a href="#Colorado">Colorado</a> | <a href="#Connecticut">Connecticut</a> | <a href="#DC">District of Columbia</a> | <a href="#delaware">Delaware</a> | <a href="#florida">Florida</a> | <a href="#georgia">Georgia</a> | <a href="#hawaii">Hawaii</a> | <a href="#idaho">Idaho</a> | <a href="#illinois">Illinois</a> | <a href="#indiana">Indiana</a> | <a href="#iowa">Iowa</a> | <a href="#kansas">Kansas</a> | <a href="#kentucky">Kentucky</a> | <a href="#la">Los Angeles County</a> | <a href="#louisiana">Louisiana</a> | <a href="#maine">Maine</a> | <a href="#maryland">Maryland</a> | <a href="#massachusetts">Massachusetts</a> | <a href="#michigan">Michigan</a> | <a href="#minnesota">Minnesota</a> | <a href="#mississippi">Mississippi</a> | <a href="#missouri">Missouri</a> | <a href="#montana">Montana</a> | <a href="#nebraska">Nebraska</a> | <a href="#nevada">Nevada</a> | <a href="#newhampshire">New Hampshire</a> | <a href="#newjersey">New Jersey</a> | <a href="#newmexico">New Mexico</a> | <a href="#newyork">New York</a> | <a href="#northcarolina">North Carolina</a> | <a href="#northdakota">North Dakota</a> | <a href="#ohio">Ohio</a> | <a href="#oklahoma">Oklahoma</a> | <a href="#oregon">Oregon</a> | <a href="#pennsylvania">Pennsylvania</a> | <a href="#puertorico">Puerto Rico</a> | <a href="#rhodeisland">Rhode Island</a> | <a href="#southcarolina">South Carolina</a> | <a href="#southdakota">South Dakota</a> | <a href="#tennessee">Tennessee</a> | <a href="#texas">Texas</a> | <a href="#usda">USDA, AMS, FGIS</a> | <a href="#utah">Utah</a> | <a href="#vermont">Vermont</a> | <a href="#virginislands">Virgin Islands</a> | <a href="#virginia">Virginia</a> | <a href="#washington">Washington</a> | <a href="#westvirginia">West Virginia</a> | <a href="#wisconsin">Wisconsin</a> | <a href="#wyoming">Wyoming</a> |<div class="nist-callout">For a complete directory of Weights and Measures Officials and Metrologists in the US and Territories, you can <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="ffd22d8a-3030-4d40-9e39-5e827b7e7474" data-file-url="/system/files/documents/2023/10/29/2024%20WMD-DIRECTORY.pdf" href="/document/us-wm-and-metrologist-directory" title="US WM and Metrologist Directory">download the list here</a>.</div><table><tbody><tr><td colspan="2"><h3><a class="ck-anchor" id="Alabama"></a>Alabama</h3></td></tr><tr><td>Mailing Address  <a href="https://agi.alabama.gov/weights-and-measures/">Alabama Weights and Measures Laboratory</a> Weights and Measures Laboratory 1445 Federal Drive Montgomery, AL 36107</td><td>Shipping Address Same as Mailing Address.</td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="3a85f569-4874-460e-8d1b-eb25282761f1" data-file-url="/system/files/documents/2024/01/31/al-cert-2024.pdf" href="/document/alabama-certificate-metrological-traceability-2024" title="Alabama Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="8e087eab-cc3e-4874-9bce-22087d6dacb9" data-file-url="/system/files/documents/2025/01/28/al-cert-2025-20250127.pdf" href="/document/alabama-certificate-metrological-traceability-2025" title="Alabama Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>michael.bridges [at] agi.alabama.gov (Michael Bridges) (334) 240-3729 wes.seals [at] agi.alabama.gov (Wes Seals) (334) 240-7136 james.little [at] agi.alabama.gov (James Little) (334) 240-7138Phone: (334) 240-7133 (Office) Fax: (334) 240-7175</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="Alaska"></a>Alaska</h3></td></tr><tr><td>Mailing Address  <a href="http://dot.alaska.gov/mscve/pages/metrology.shtml">State of Alaska Metrology Laboratory</a> 12050 Industry Way Bldg "O" #6 Anchorage, AK 99515</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="180c172d-8872-494f-80da-68ded1a742b8" data-file-url="/system/files/documents/2023/02/02/ak-cert-2023.pdf" href="/document/alaska-certificate-metrological-traceability-2023" title="Alaska Certificate of Metrological Traceability 2023">2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="0cc9c6d7-44d4-44a8-9f82-7d2a2b882b84" data-file-url="/system/files/documents/2025/01/28/ak-cert-2024-25.pdf" href="/document/alaska-certificate-metrological-traceability-2024-2025" title="Alaska Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>travis.garding [at] alaska.gov (Travis Garding) (907) 365-1222 roger.holland [at] alaska.gov (Roger Holland) (907) 365-1233</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="Arizona"></a>Arizona</h3></td></tr><tr><td>Mailing Address  <a href="https://agriculture.az.gov/weights-measures/metrology-lab">Arizona Department of Agriculture - Metrology Laboratory</a> 4425 West Olive Avenue, Suite 134 Glendale, AZ 85302-3844</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="18cf6dc2-a9d6-4803-b45a-eb04b17a8b88" data-file-url="/system/files/documents/2023/02/02/az-cert-2022-23.pdf" href="/document/arizona-certificate-metrological-traceability-2022-2023-0" title="Arizona Certificate of Metrological Traceability 2022-2023">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="073d4b73-a7ce-4a85-b81e-4d3ff5109d27" data-file-url="/system/files/documents/2024/01/31/az-cert-2024-25-20240107.pdf" href="/document/arizona-certificate-metrological-traceability-2024-2025" title="Arizona Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>bsellers [at] azda.gov (Brian Sellers) (602) 771-4938 mnieves [at] azda.gov (Mauro Nieves) (602) 771-4928E-mail: metrology [at] azda.gov (metrology[at]azda[dot]gov) Phone: (602) 771-4938</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="Arkansas"></a>Arkansas</h3></td></tr><tr><td>Mailing Address  Arkansas Bureau of Standards 4608 W 61st Street Little Rock, AR 72209-2408</td><td>Shipping Address Same as Mailing Address.<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="08434b87-8d0a-4d20-83cf-77ad2251f8f6" data-file-url="/system/files/documents/2024/01/31/ar-cert-2024.pdf" href="/document/arkansas-certificate-metrological-traceability-2024" title="Arkansas Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="bebafd86-a75e-4506-8d3b-f1120deffda0" data-file-url="/system/files/documents/2025/01/28/ar-cert-2025-20250127.pdf" href="/document/arkansas-certificate-metrological-traceability-2025" title="Arkansas Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>jill.franke [at] agriculture.arkansas.gov (Jill Franke) (501) 219-6334 kayla.hankins [at] agriculture.arkansas.gov (Kayla Hankins) (501) 570-1159 nikhil.soman [at] agriculture.arkansas.gov (Nikhil Soman) (501) 570-1156 Brian.Terry [at] agriculture.arkansas.gov (Brian Terry) (501) 570-1159 kyla.williams [at] arkansas.gov (Kyla Williams) (501) 570-1159Phone: (501) 570-1159</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="California"></a>California</h3></td></tr><tr><td>Mailing Address  <a href="https://www.cdfa.ca.gov/dms/">State of California Metrology Laboratory</a> Division of Measurement Standards 6790 Florin Perkins Road, Suite 100 Sacramento, CA 95828</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="1e3e3ef8-7ea6-4bdd-b91b-be5795031f00" data-file-url="/system/files/documents/2023/02/02/ca-cert-2022-23-20220128.pdf" href="/document/california-certificate-metrological-traceability-2022-2023" title="California Certificate of Metrological Traceability 2022-2023">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="e591d0d9-9104-4d8e-a6d5-4d2287bdb838" data-file-url="/system/files/documents/2024/01/31/ca-cert-2024-25-20240107.pdf" href="/document/california-certificate-metrological-traceability-2024-2025" title="California Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>anthony.gruneisen [at] cdfa.ca.gov (Tony Gruneisen) (916) 229-4858 toni.bulai [at] cdfa.ca.gov (Toni Bulai) (916) 229-3022 Demielle.Noll-Tennin [at] cdfa.ca.gov (Demielle Noll-Tennin)  (916) 229-3036E-mail:   dms [at] cdfa.ca.gov (dms[at]cdfa[dot]ca[dot]gov) Phone: (916) 229-3000</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="Colorado"></a>Colorado</h3></td></tr><tr><td>Mailing Address  <a href="https://ag.colorado.gov/labs/metrology-laboratory">Colorado Department of Agriculture - Metrology Lab</a> 300 South Technology Court Broomfield, CO 80021</td><td>Shipping Address Same as Mailing Address.<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="b88b8582-6fd1-4636-aa20-5fd7aec036a3" data-file-url="/system/files/documents/2023/02/02/co-cert-2022-23.pdf" href="/document/colorado-certificate-metrological-traceability-2022-2023" title="Colorado Certificate of Metrological Traceability 2022-2023">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="f1e169ed-7143-4028-9237-89b66de74404" data-file-url="/system/files/documents/2025/01/30/co-cert-2025-26%20NoChange.pdf" href="/document/colorado-certificate-metrological-traceability-2024-2025-0" title="Colorado Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>kate.smetana [at] state.co.us (Kate Smetana) (303) 869-9241 tiffany.brigner [at] state.co.us (Tiffany Brigner) (303) 869-9272 andrew.shopes [at] state.co.us (Andrew Shopes) (303) 869-9270 aaron.nowotny [at] state.co.us (Aaron Nowotny) (303) 869-9242Phone: (303) 869-9240 (Lab)</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="Connecticut"></a>Connecticut</h3></td></tr><tr><td>Mailing Address  <a href="https://portal.ct.gov/DCP/Common-Elements/Consumer-Facts-and-Contacts/Metrology-Laboratory">Connecticut Food and Standards Division</a> Dept. of Consumer Protection 450 Columbus Boulevard Suite #901 Hartford, CT 06103-1840</td><td>Shipping Address Metrology Lab 9 Windsor Avenue Windsor, CT 06095-4312<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="ef265dd9-08f9-4582-b3a0-3f8349c437df" data-file-url="/system/files/documents/2019/01/29/ct-2019-cert.pdf" href="/document/ct-2019-certpdf" title="ct-2019-cert.pdf">2019 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="ae1bf20f-69df-40e3-a603-ffb70e57aaaf" data-file-url="/system/files/documents/2020/02/05/conn-2020-cert.pdf" href="/document/conn-2020-certpdf" title="conn-2020-cert.pdf">2020 OWM Certificate of Metrological Traceability</a> PDFNo Certificate (pending staff training)</td><td>christopher.david [at] ct.gov (Chris David) (860) 806-0104 frank.greene [at] ct.gov (Frank Greene) (860) 713-6160Fax: (860) 706-1236</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="DC"></a>District of Columbia</h3></td></tr><tr><td>Mailing Address  District of Columbia Weights, Measures, and Markets Branch 1110 U Street S.E. Washington, DC 20001</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td>No Certificate</td><td>Lab Closed <a href="/pml/owm/resources-weights-and-measures/state-weights-and-measures-directors" data-entity-type="node" data-entity-uuid="fa5f090d-3d55-4b00-ab15-1051eb3fd584" data-entity-substitution="canonical" title="State Weights and Measures Directors">See State Directors List</a></td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="delaware"></a>Delaware</h3></td></tr><tr><td>Mailing Address  Delaware Department of Agriculture Weights and Measures Section 2320 S. DuPont Highway Dover, DE 19901-5515</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td>No Certificate</td><td>Lab Closed <a href="/pml/owm/resources-weights-and-measures/state-weights-and-measures-directors" data-entity-type="node" data-entity-uuid="fa5f090d-3d55-4b00-ab15-1051eb3fd584" data-entity-substitution="canonical" title="State Weights and Measures Directors">See State Directors List</a></td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="florida"></a>Florida</h3></td></tr><tr><td>Mailing Address  <a href="https://www.fdacs.gov/">Florida Metrology Laboratory</a> 3125 Conner Boulevard, Lab 2 Tallahassee, FL 32399</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="9b71780f-b6f2-4826-8587-fc2b56af8ae6" data-file-url="/system/files/documents/2023/02/02/fl-cert-2022-23.pdf" href="/document/florida-certificate-metrological-traceability-2022-2023" title="Florida Certificate of Metrological Traceability 2022-2023">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="a5b14a22-7ac2-4d1a-b4c3-0592c395ba9b" data-file-url="/system/files/documents/2025/01/31/fl-cert-2024-25-NoChange.pdf" href="/document/florida-certificate-metrological-traceability-2024-2025-0" title="Florida Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a>PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>chambray.dowdell [at] fdacs.gov (Chambray Dowdell) (850) 410-3667 Megan.Money [at] FDACS.gov (Megan Money) (850) 921-1572 michael.kruse [at] FDACS.gov (Mike Kruse) (850) 921-1585 anthony.oliveri [at] fdacs.gov (Anthony Oliveri) (850) 921-1573Phone:  (850) 921-1580</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="georgia"></a>Georgia</h3></td></tr><tr><td>Mailing Address  <a href="https://agr.georgia.gov/laboratories">Georgia Department of Agriculture Metrology Laboratory</a> P.O. Box 1507 Tifton, GA 31793</td><td>Shipping Address 3150 U.S. Highway 41 South Tifton, GA 31794<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="209ff29c-d6bc-42ca-a7b2-3bee457a408f" data-file-url="/system/files/documents/2024/01/31/ga-cert-2024.pdf" href="/document/georgia-certificate-metrological-traceability-2024" title="Georgia Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="b2ca924d-f053-4098-8cca-95773851a2c2" data-file-url="/system/files/documents/2025/01/28/ga-cert-2025-20241120.pdf" href="/document/georgia-certificate-metrological-traceability-2025" title="Georgia Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>stan.diffie [at] agr.georgia.gov (Stan Diffie) (229) 386-4120 john.ross.plourde [at] agr.georgia.gov (John Plourde) (229) 386-3601 Phone: (229) 386-3601 Fax: (229) 386-3365</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="hawaii"></a>Hawaii</h3></td></tr><tr><td>Mailing Address  <a href="https://hdoa.hawaii.gov/qad/measurement-standards-branch/">Hawaii Measurement Standards Laboratory</a> Quality Assurance Division 1851 Auiki Street Honolulu, HI 96819</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="a748a35b-5230-4cf7-974e-9847bb02ff5a" data-file-url="/system/files/documents/2023/02/02/hi-cert-2022-23.pdf" href="/document/hawaii-certificate-metrological-traceability-2022-2023" title="Hawaii Certificate of Metrological Traceability 2022-2023">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="dbf1069e-8c94-48b9-aa1e-fc860078a773" data-file-url="/system/files/documents/2025/01/28/hi-cert-2024-25%20NoChange.pdf" href="/document/hawaii-certificate-metrological-traceability-2024-2025-0" title="Hawaii Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a><a data-entity-substitution="media"> </a>PDF</td><td>Michael.Tang [at] Hawaii.gov (Michael Tang)Phone: (808) 832-0682 Fax: (808) 832-0683</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="idaho"></a>Idaho</h3></td></tr><tr><td>Mailing Address  <a href="https://www.agri.idaho.gov">Idaho Weights & Measures Metrology Laboratory</a> Bureau of Weights and Measures P.O. Box 7249 Boise, ID 83707</td><td>Shipping Address 2216 Kellogg Lane Boise, ID 83712-8265<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="6828d1bc-63cd-4dbc-a4f1-c2190d48ea14" data-file-url="/system/files/documents/2024/01/31/id-cert-2024.pdf" href="/document/idaho-certificate-metrological-traceability-2024" title="Idaho Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="91a73408-4213-463e-9c5b-2f9824816ed9" data-file-url="/system/files/documents/2025/01/28/id-cert-2025-20241121.pdf" href="/document/idaho-certificate-metrological-traceability-2025" title="Idaho Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>david.bennet [at] isda.idaho.gov (David Bennett) (208) 332-8691 stacie.ybarra [at] isda.idaho.gov (Stacie Ybarra) (208) 332-8692 Phone: (208) 332-8691 Fax: (208) 334-2378</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="illinois"></a>Illinois</h3></td></tr><tr><td>Mailing Address  <a href="https://agr.illinois.gov/consumers/weightsmeasures/metrology-lab.html">Illinois Department of Agriculture</a> Bureau of Weights and Measures Metrology Laboratory 801 Sangamon Avenue East Springfield, IL 62702-9281</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="603aac2e-ce09-419f-9442-733219cc5c57" data-file-url="/system/files/documents/2024/01/31/il-cert-2024.pdf" href="/document/illinois-certificate-metrological-traceability-2024" title="Illinois Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="787a336d-a324-47f6-8d61-f9abf425b3bd" data-file-url="/system/files/documents/2025/01/28/il-cert-2025-20241121.pdf" href="/document/illinois-certificate-metrological-traceability-2025" title="Illinois Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>austin.boyett [at] illinois.gov (Austin Boyett) (217) 785-8530 karl.cunningham [at] illinois.gov (Karl Cunningham) (217) 785-8482 john.satterlee [at] illinois.gov (John Satterlee) (217) 785-8480 stephanie.somers [at] illinois.gov (Stephanie Somers) (217) 785-8530 Phone: (217) 785-8480 Fax: (217) 785-3136</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="indiana"></a>Indiana</h3></td></tr><tr><td>Mailing Address  <a href="https://www.in.gov/health/">Indiana State Department of Health</a> Weights and Measures Laboratory 2525 North Shadeland Avenue Building 30 Suite D3 Indianapolis, IN 46219-1791</td><td>Shipping Address Same as Mailing Address.                                                                                                         <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="573d82c5-1057-45c1-a5b4-a6b6de186534" data-file-url="/system/files/documents/2021/02/01/Indiana-cert-2021.pdf" href="/document/indiana-certificate-metrological-traceability-2021" title="Indiana Certificate of Metrological Traceability 2021">2021 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="b79ef8b9-fb75-4778-bd97-7fccedb6cf72" data-file-url="/system/files/documents/2025/01/31/IN-cert-2025-Conditional%2020250130.pdf" href="/document/indiana-certificate-metrological-traceability-2025" title="Indiana Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> (Conditional) PDFNo Certificate (pending staff training)</td><td>HWickersham [at] isdh.in.gov (Howard Wickersham) k.scott [at] health.in.gov (Katelyn Scott) WGeisler [at] health.in.gov (William R. Geisler) E-mail: metrology [at] health.in.gov (metrology[at]health[dot]in[dot]gov) Phone:  (317) 356-7078 Fax: (317) 351-2877</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="iowa"></a>Iowa</h3></td></tr><tr><td>Mailing Address  Iowa Department of Agriculture & Land Stewardship 2230 South Ankeny Boulevard Ankeny, IA 50023</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td>No Certificate</td><td>Lab Closed <a href="/pml/owm/resources-weights-and-measures/state-weights-and-measures-directors" data-entity-type="node" data-entity-uuid="fa5f090d-3d55-4b00-ab15-1051eb3fd584" data-entity-substitution="canonical" title="State Weights and Measures Directors">See State Directors List</a></td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="kansas"></a>Kansas</h3></td></tr><tr><td>Mailing Address  <a href="https://www.agriculture.ks.gov/divisions-programs/agricultural-laboratory/metrology-laboratory">Kansas Metrology Laboratory</a> 2004 Research Park Circle Manhattan, KS 66502</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="d51652bd-8cf4-4537-8b23-0823ef7e4b1d" data-file-url="/system/files/documents/2023/02/02/ks-cert-2023.pdf" href="/document/kansas-certificate-metrological-traceability-2023" title="Kansas Certificate of Metrological Traceability 2023">2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="7871948d-c906-40a1-b7af-cb1ff7fa50f1" data-file-url="/system/files/documents/2025/01/31/ks-cert-2025-26-20250128.pdf" href="/document/kansas-certificate-metrological-traceability-2024-2025-0" title="Kansas Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>kevin.uphoff [at] ks.gov (Kevin Uphoff) (785) 564-7445 ClarenceEvan.johnson [at] ks.gov (Evan Johnson) (785) 564-7447E-mail: kda.metrology [at] ks.gov (kda[dot]metrology[at]ks[dot]gov) Phone: (785) 564-7477</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="kentucky"></a>Kentucky</h3></td></tr><tr><td>Mailing Address  <a class="external" href="http://www.kyagr.com/">Kentucky Regulations and Inspections</a> 107 Corporate Drive Frankfort, KY 40601-8311</td><td>Shipping Address Same as Mailing Address.<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="2d8d2742-3363-429e-bc9a-3f249128f987" data-file-url="/system/files/documents/2022/02/25/ky-cert-2022-20220128.pdf" href="/document/kentucky-certificate-metrological-traceability-2022" title="Kentucky Certificate of Metrological Traceability 2022">2022 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="d15a7fe6-aa20-4f59-a3f5-0f9cd25da91e" data-file-url="/system/files/documents/2023/02/02/ky-cert-2023.pdf" href="/document/kentucky-certificate-metrological-traceability-2023" title="Kentucky Certificate of Metrological Traceability 2023">2023 OWM Certificate of Metrological Traceability</a> PDFNo Certificate (pending staff training)</td><td>chester.watson [at] ky.gov (Chester Watson) jason.glass [at] ky.gov (Jason Glass) Phone: (502) 573-0282 Fax: (502) 573-0303</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="la"></a>Los Angeles County</h3></td></tr><tr><td>Mailing Address  <a href="https://acwm.lacounty.gov/metrology-laboratory/">Los Angeles County Department of Agriculture</a> Weights and Measures Metrology Laboratory 11012 Garfield Avenue South Gate, CA 90280-7504</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="4d3adbb4-6ad0-47b8-87b2-1e08dc7b2425" data-file-url="/system/files/documents/2019/01/29/lac-2019-cert.pdf" href="/document/lac-2019-certpdf" title="lac-2019-cert.pdf">2019 OWM Certificate of Metrological Traceability</a> PDFNo Certificate (pending laboratory renovation)</td><td>MetLab [at] acwm.lacounty.gov (Lina Ng) MetLab [at] acwm.lacounty.gov (Jacky Cheng) E-mail: metlab [at] acwm.lacounty.gov (MetLab[at]acwm[dot]lacounty[dot]gov) Phone: (562) 622-0419 Fax: (562) 861-0278</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="louisiana"></a>Louisiana</h3></td></tr><tr><td>Mailing Address  <a href="https://www.ldaf.la.gov/business/weights-measures/metrology">Louisiana Department of Agriculture and Forestry Metrology Laboratory</a> Weights and Measures Division 5825 Florida Boulevard Suite 5000 Baton Rouge, LA 70806-4259</td><td>Shipping Address 5825 Florida Boulevard Metrology Laboratory Baton Rouge, LA 70806-4259 <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="9c838d70-412b-4d61-a6fb-58ffa4077d45" data-file-url="/system/files/documents/2023/02/02/la-cert-2023-24.pdf" href="/document/louisiana-certificate-metrological-traceability-2023-2024" title="Louisiana Certificate of Metrological Traceability 2023-2024">2023 to 2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="b4c51229-e086-424f-8755-b58cd6c713e5" data-file-url="/system/files/documents/2025/01/28/la-cert-2025-26-20241121.pdf" href="/document/louisiana-certificate-metrological-traceability-2025-2026" title="Louisiana Certificate of Metrological Traceability 2025 to 2026">2025 to 2026 OWM Certificate of Metrological Traceability</a> PDF</td><td>wcorley [at] ldaf.la.gov (Whitney Corley) (225) 922-1381 jadair [at] ldaf.la.gov (Jennifer Adair) (225) 922-2907 tholmes [at] ldaf.la.gov (Tyler Holmes) (225) 922-1380E-mail: metrologylab [at] ldaf.la.gov (metrologylab[at]ldaf[dot]la[dot]gov) Phone: (225) 922-1381 Fax: (225) 923-4877</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="maine"></a>Maine</h3></td></tr><tr><td>Mailing Address  <a href="https://www.maine.gov/dacf/qar/laboratory_testing/metrology.shtml">Maine Metrology Laboratory</a> 333 Cony Road Augusta, ME 04330</td><td>Shipping Address Same as Mailing Address.<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="e5383dcb-10a4-48ae-be35-2d46b34c4f7f" data-file-url="/system/files/documents/2023/02/02/me-cert-2022-20220128.pdf" href="/document/maine-certificate-metrological-traceability-2022-2023" title="Maine Certificate of Metrological Traceability 2022-2023">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="8484a7d6-cde6-4758-9e6c-81933d3314d2" data-file-url="/system/files/documents/2025/01/31/me-cert-2024-25-NoChange.pdf" href="/document/maine-certificate-metrological-traceability-2024-2025-0" title="Maine Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>Bradford.Bachelder [at] maine.gov (Bradford Bachelder)Phone: (207) 287-7587 </td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="maryland"></a>Maryland</h3></td></tr><tr><td>Mailing Address  <a href="https://mda.maryland.gov/weights_measures/Pages/weights_measures.aspx">Maryland Department of Agriculture - Weights and Measures Calibration Laboratory</a> 50 Harry S. Truman Parkway Annapolis, MD 21401-8960</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="0259db16-14a7-4e80-9b95-7dde137a951b" data-file-url="/system/files/documents/2024/01/31/md-cert-2023-24.pdf" href="/document/maryland-certificate-metrological-traceability-2023-2024-0" title="Maryland Certificate of Metrological Traceability 2023 to 2024">2023 to 2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="e613539f-be71-40e3-9d3f-9346910e399b" data-file-url="/system/files/documents/2025/01/28/md-cert-2025-26-20241121.pdf" href="/document/maryland-certificate-metrological-traceability-2025-2026" title="Maryland Certificate of Metrological Traceability 2025 to 2026">2025 to 2026 OWM Certificate of Metrological Traceability</a> PDF</td><td>Tong.Hsu [at] maryland.gov (Tong Hsu) (410) 841-5790 / (410) 841-2746 emily.hoyt1 [at] maryland.gov (Emily Hoyt) (410) 841-5790 Phone: (410) 841-5790 Fax: (410) 841-2765</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="massachusetts"></a>Massachusetts</h3></td></tr><tr><td>Mailing Address  <a href="https://www.mass.gov/standards">Massachusetts Division of Standards Metrology Laboratory</a> 250 Eliot Street, Suite 10-D Ashland, MA 01721</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="c3e61b7a-af86-4132-a578-2a533981a0c1" data-file-url="/system/files/documents/2024/01/31/ma-cert-2024-20240131.pdf" href="/document/massachusetts-certificate-metrological-traceability-2024" title="Massachusetts Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="81f43262-7b94-4cbd-a924-ec84ad11b150" data-file-url="/system/files/documents/2025/01/28/ma-cert-2025-20241121.pdf" href="/document/massachusetts-certificate-metrological-traceability-2025" title="Massachusetts Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>ray.costa [at] mass.gov (Raymond Costa) (617) 947-7584 hain.setow [at] mass.gov (Hain Wan Setow) (617) 947-4630 Lab Phone: (508) 532-1200 Lab Direct Line: (508) 532-1201</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="michigan"></a>Michigan</h3></td></tr><tr><td>Mailing Address  <a href="https://www.michigan.gov/mdard/lab/weights-and-measures">Michigan Department of Agriculture and Rural Development</a> E.C. Heffron Metrology Laboratory 940 Venture Lane Williamston, MI 48895-9028</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="0caaa009-424d-454f-9c68-dec03f044e93" data-file-url="/system/files/documents/2023/02/02/mi-cert-2022-23.pdf" href="/document/michigan-certificate-metrological-traceability-2022-2023-updated" title="Michigan Certificate of Metrological Traceability 2022-2023 -updated">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="595d9572-2d17-4d4a-8514-d374b141c4a0" data-file-url="/system/files/documents/2025/01/31/mi-cert-2024-25_NoChange.pdf" href="/document/michigan-certificate-metrological-traceability-2024-2025-0" title="Michigan Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>VanBurenC9 [at] michigan.gov (Craig VanBuren) (517) 655-8202 dewaelec [at] michigan.gov (Craig DeWaele) (517) 643-5977 fergusons9 [at] michigan.gov (Scott Ferguson) (517) 655-8202 galvans [at] michigan.gov (Steve Galvan) (517) 655-8202 hartmanr4 [at] michigan.gov (Ryanne Hartman) (517) 655-8202 Jonesn [at] michigan.gov (Dr. Neil Jones) (517) 655-7225 mccormickc2 [at] michigan.gov (Chris McCormick) (517) 655-8202 santinin [at] michigan.gov (Nicholas Santini) (517) 655-7229 wellmanc1 [at] michigan.gov (Christopher Wellman) (517) 643-5351Phone: (517) 655-8202 (Office) Fax: (517) 655-8303</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="minnesota"></a>Minnesota</h3></td></tr><tr><td>Mailing Address  <a href="https://mn.gov/commerce/business/weights-measures/scales-meters/metrology.jsp">Minnesota Metrology Laboratory - Division of Weights & Measures</a> 14305 Southcross Drive W Suite 150 Burnsville, MN 55306-7011</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="a9abbf48-1d28-40e8-8a19-2bd3e3f84724" data-file-url="/system/files/documents/2023/02/02/mn-cert-2022-23.pdf" href="/document/minnesota-certificate-metrological-traceability-2022-2023-updated" title="Minnesota Certificate of Metrological Traceability 2022-2023 - updated">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="e1000a7c-73f5-443d-a41d-f2cef7c0f1b9" data-file-url="/system/files/documents/2025/01/31/mn-cert-2024-25-20250130.pdf" href="/document/minnesota-certificate-metrological-traceability-2024-2025-amended" title="Minnesota Certificate of Metrological Traceability 2024 to 2025 - Amended">2024 to 2025 OWM Certificate of Metrological Traceability</a> (Amended 2025-01-30) PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>valare.falkner [at] state.mn.us (Valare Falkner) (651) 539-1567 Benjamin.FitzRysler [at] state.mn.us (Benj FitzRysler) (651) 539-1569 calvin.crouch [at] state.mn.us (Calvin Crouch) (651) 539-1565 eric.e.johnson [at] state.mn.us (Eric Johnson) (651) 539-1560 Halie.LaTourelle [at] state.mn.us (Halie LaTourelle) (651) 539-1006 anna.pierce [at] state.mn.us (Anna Pierce) (651) 539-1562 halie.latourelle [at] state.mn.us (Nick Santori) (651) 539-1554 E-mail: mnlabcontact [at] commerce.state.mn.us (mnlabcontact[at]commerce[dot]state[dot]mn[dot]us) Phone: (651) 539-1555 (Office) Fax: (952) 435-0404</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="mississippi"></a>Mississippi</h3></td></tr><tr><td>Mailing Address  <a href="https://www.mdac.ms.gov/bureaus-departments/regulatory-services/weights-and-measures/">Mississippi Department of Agriculture & Commerce Metrology Lab</a> 1000-A ASU Drive, Bldg #10 Lorman, MS 39096</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="3f33eb55-11ff-45b7-82f1-9ecdc539ea9f" data-file-url="/system/files/documents/2019/01/29/ms-2019-cert.pdf" href="/document/ms-2019-certpdf" title="ms-2019-cert.pdf">2019 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="10ffca6b-726b-45c7-81ff-d60607e87a71" data-file-url="/system/files/documents/2020/02/13/ms-2020-cert.pdf" href="/document/ms-2020-certpdf" title="ms-2020-cert.pdf">2020 OWM Certificate of Metrological Traceability</a> PDFNo Certificate (pending staff training)</td><td>gene [at] mdac.ms.gov (Gene Robertson) (601) 359-1102 EricaG [at] mdac.ms.gov (Erica Griffin) (601) 877-3802 Phone: (601) 877-3802 Fax: (601) 877-3872</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="missouri"></a>Missouri  </h3></td></tr><tr><td>Mailing Address  <a href="https://agriculture.mo.gov/weights/metrology/">Missouri Department of Agriculture</a> Weights, Measures & Consumer Protection Division, Metrology Laboratory P.O. Box 630 Jefferson City, MO 65102</td><td>Shipping Address 1616 Missouri Boulevard Jefferson City, MO 65109 <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="ab070d15-2208-472b-8360-9450496f389d" data-file-url="/system/files/documents/2024/01/31/mo-cert-2024.pdf" href="/document/missouri-certificate-metrological-traceability-2024" title="Missouri Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="d290b4de-620c-4020-a40a-6a1d25a68ebc" data-file-url="/system/files/documents/2025/01/28/mo-cert-2025-20241121.pdf" href="/document/missouri-certificate-metrological-traceability-2025" title="Missouri Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>Johnny.bell [at] mda.mo.gov (John Bell) (573) 751-3440 houston.naugher [at] mda.mo.gov (Houston Naugher) (573) 751-3105 Phone:  (573) 751-3440 Fax: (573) 751-0281</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="montana"></a>Montana</h3></td></tr><tr><td>Mailing Address  <a href="https://bsd.dli.mt.gov/weights-and-measures/">Montana Bureau of Weights and Measures</a> P.O. Box 200516 Helena, MT 59620-0516</td><td>Shipping Address 3806 US-12 / 287 East Helena, MT 59635<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="27731190-97fe-4c31-a828-2b06581d59e7" data-file-url="/system/files/documents/2023/02/02/mt-cert-2023.pdf" href="/document/montana-certificate-metrological-traceability-2023" title="Montana Certificate of Metrological Traceability 2023">2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="ac857f32-8c09-473c-a890-86ef26f4ab65" data-file-url="/system/files/documents/2025/01/31/mt-cert-2024%2020250130.pdf" href="/document/montana-certificate-metrological-traceability-2024-0" title="Montana Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF (Amended 2024-01-30 for six-month extension from January to July)</td><td>dafraser [at] mt.gov (David Fraser) (406) 461-4168 bricks [at] mt.gov (Brent Ricks) (406) 841-2321                          cell: (406) 202-2755Fax: (406) 443-8163</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="nebraska"></a>Nebraska</h3></td></tr><tr><td>Mailing Address  <a href="http://www.nda.nebraska.gov/fscp/wam/standard_lab.html">Nebraska Standards Laboratory</a> 3721 West Cuming Street Lincoln, NE 68524</td><td>Shipping Address Same as Mailing Address.<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="ed5ac00a-852b-4997-9e96-165bc30a2e25" data-file-url="/system/files/documents/2023/02/02/ne-cert-2023-24.pdf" href="/document/nebraska-certificate-metrological-traceability-2023-2024" title="Nebraska Certificate of Metrological Traceability 2023-2024">2023 to 2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="a9f25b18-d953-43d6-acc1-fa3dd183bedb" data-file-url="/system/files/documents/2025/01/28/ne-cert-2025-26-20241121.pdf" href="/document/nebraska-certificate-metrological-traceability-2025-2026" title="Nebraska Certificate of Metrological Traceability 2025 to 2026">2025 to 2026 OWM Certificate of Metrological Traceability</a> PDF</td><td>Joel.Lavicky [at] nebraska.gov (Joel Lavicky) Phone: (402) 471-2087</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="nevada"></a>Nevada</h3></td></tr><tr><td>Mailing Address  <a href="https://agri.nv.gov/Protection/Weights_and_Measures/Metrology_Lab/">State of Nevada Metrology Laboratory</a> 2150 Frazer Avenue Sparks, NV 89431</td><td>Shipping Address 405 South 21st Street Sparks, NV 89431 <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="be185025-f8e1-4c17-a1af-d9b4d1093a09" data-file-url="/system/files/documents/2023/02/02/nv-cert-2023-24.pdf" href="/document/nevada-certificate-metrological-traceability-2023-2024" title="Nevada Certificate of Metrological Traceability 2023-2024">2023 to 2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="a414a437-7055-492c-9776-5651a9ad4a1e" data-file-url="/system/files/documents/2025/01/28/nv-cert-2025-26-20220116.pdf" href="/document/nevada-certificate-metrological-traceability-2025-2026" title="Nevada Certificate of Metrological Traceability 2025 to 2026">2025 to 2026 OWM Certificate of Metrological Traceability</a> PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>jkellames [at] agri.nv.gov (James Kellames) (775) 353-3788 kriske [at] agri.nv.gov (Kiara Saunders) (775) 353-3794 Email: metrology [at] agri.nv.gov (metrology[at]agri[dot]nv[dot]gov) Phone: (775) 353-3788 Fax: (775) 353-3798</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="newhampshire"></a>New Hampshire</h3></td></tr><tr><td>Mailing Address  <a href="http://www.agriculture.nh.gov/divisions/weights-measures/metrology-lab.htm">New Hampshire Metrology Laboratory</a> 25 Capitol Street Room 31 Concord, NH 03301 Physical Location: Division of Weights & Measures 25 Capitol Street Concord, NH 03301</td><td>Shipping Address 25 Capitol Street Concord, NH 03301   <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="5991734a-3200-4f43-a177-fbf04f207936" data-file-url="/system/files/documents/2022/03/30/nh-cert-2016-2017.pdf" href="/document/nh-cert-2016-2017pdf" title="nh-cert-2016-2017.pdf">2016 to 2017 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="8a9fa522-f581-46bf-a34b-97b2efdada6f" data-file-url="/system/files/documents/2025/01/31/nh-cert-2025%20Amended%2020250131.pdf" href="/document/new-hampshire-certificate-metrological-traceability-2025" title="New Hampshire Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> PDF (Amended 2025-01-31)</td><td>john.f.abasto [at] agr.nh.gov (John Abasto) richard.p.cote [at] agr.nh.gov (Richard Cote)Phone: (603) 271-0894 Fax:  (603) 271-1109</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="newjersey"></a>New Jersey</h3></td></tr><tr><td>Mailing Address  <a href="https://www.njconsumeraffairs.gov/OWM/Pages/default.aspx">State of New Jersey</a> <a href="https://www.njconsumeraffairs.gov/OWM/Pages/default.aspx">Office of Weights and Measures, Metrology Laboratory</a> 1261 Routes 1 & 9 South Avenel, NJ 07001-1647</td><td>Shipping Address Same as Mailing Address.  <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="97f19972-3f84-4cac-91d3-3f701c571cf1" data-file-url="/system/files/documents/2024/01/31/nj-cert-2024.pdf" href="/document/new-jersey-certificate-metrological-traceability-2024" title="New Jersey Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="f5ca0e7e-3b1f-4512-ac4b-24d3a55e33e8" data-file-url="/system/files/documents/2025/02/04/nj-cert-2025%2020250130.pdf" href="/document/new-jersey-certificate-metrological-traceability-2025" title="New Jersey Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>SzpondR [at] dca.njoag.gov (Ray Szpond) (732) 621-2060 cecerem [at] dca.njoag.gov (Michael Cecere) (732) 621-2554 benavidesf [at] dca.njoag.gov (Francia Benavides) (732) 621-2552 IsazaF [at] dca.njoag.gov (Federico Isaza) (732) 621-2090 Phone: (732) 815-7800 / (732)815-4840 Fax: (732) 382-5298</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="newmexico"></a>New Mexico</h3></td></tr><tr><td>Mailing Address  <a href="https://nmdeptag.nmsu.edu/standards-and-consumer-services/scs-main.html">New Mexico Department of Agriculture</a> <a href="https://nmdeptag.nmsu.edu/standards-and-consumer-services/scs-main.html">Standards and Consumer Services</a> MSC 3-LD PO Box 30005 Las Cruces, NM 88003-8005</td><td>Shipping Address 973 Agriculture Way Las Cruces, NM 88003 <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="72176ac9-0ba7-45ed-b08c-bb3820f41f62" data-file-url="/system/files/documents/2022/02/25/nm-cert-2022-23-20220131.pdf" href="/document/new-mexico-certificate-metrological-traceability-2022-2023" title="New Mexico Certificate of Metrological Traceability 2022-2023">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDFNo Certificate (pending staff training)See <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>civey [at] nmda.nmsu.edu (Clay Ivey) jstephens [at] nmda.nmsu.edu (Jason Stephens) Phone: (575) 646-1551 Fax: (575) 646-2361</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="newyork"></a>New York</h3></td></tr><tr><td>Mailing Address  <a href="http://www.agriculture.ny.gov/">New York State Bureau of Weights and Measures</a> 10B Airline Drive Albany, NY 12235-1000</td><td>Shipping Address 6 Harriman Campus Road Albany, NY 12206<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="61d0f96a-69e8-4e6d-a559-89cd4e6e7ffe" data-file-url="/system/files/documents/2023/02/02/ny-cert-2023-24.pdf" href="/document/new-york-certificate-metrological-traceability-2023-2024" title="New York Certificate of Metrological Traceability 2023-2024">2023 to 2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="b159db50-24c5-4f6b-ab95-f5816a6ae68c" data-file-url="/system/files/documents/2025/02/04/ny-cert-2025-26-20241203pub.pdf" href="/document/new-york-certificate-metrological-traceability-2025-2026" title="New York Certificate of Metrological Traceability 2025 to 2026">2025 to 2026 OWM Certificate of Metrological Traceability</a> PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>Michael.Lejeune [at] agriculture.ny.gov (Michael LeJeune) Jonathan.Fox [at] agriculture.ny.gov (Jonathan Fox) jeremy.best [at] agriculture.ny.gov (Jeremy Best) james.willis [at] agriculture.ny.gov (James Willis)Phone: (518) 457-3146 Fax: (518) 457-2552</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="northcarolina"></a>North Carolina</h3></td></tr><tr><td>Mailing Address  <a href="https://www.ncagr.gov/divisions/standards/standards-metrology-laboratory">North Carolina Department of Agriculture</a> <a href="https://www.ncagr.gov/divisions/standards/standards-metrology-laboratory">and Consumer Services</a> Standards Laboratory 1051 Mail Service Center Raleigh, NC 27699-1051</td><td>Shipping Address Standards Laboratory 4400 Reedy Creek Road Raleigh, NC 27607<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="26b6bb53-6e34-484d-88fd-8427ef1705dd" data-file-url="/system/files/documents/2024/01/31/nc-cert-2024-20240107.pdf" href="/document/north-carolina-certificate-metrological-traceability-2024" title="North Carolina Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="7fa7c81c-603e-4420-99d3-a71a19de99c0" data-file-url="/system/files/documents/2025/01/31/nc-cert-2025-26%2020250130.pdf" href="/document/north-carolina-certificate-metrological-traceability-2025-2026" title="North Carolina Certificate of Metrological Traceability 2025 to 2026">2025 to 2026 OWM Certificate of Metrological Traceability</a> PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>Sharon.Woodard [at] ncagr.gov (Sharon Woodard) (984) 236-4802 robert.rogers [at] ncagr.gov (Robert Rogers) (984) 236-4811 ed.stevens [at] ncagr.gov (Ed Stevens) (984) 236-4804 daniel.zhang [at] ncagr.gov (Daniel Zhang) (984) 236-4805 Phone: (984) 236-4800 Fax: (919) 831-1325</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="northdakota"></a>North Dakota</h3></td></tr><tr><td>Mailing Address  North Dakota Public Service Commission 605 E. Boulevard Avenue - Dept. 408 State Capitol 12th Floor Bismark, ND 58505-0480</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td>No CertificateLab Closed</td><td> <a href="/pml/owm/resources-weights-and-measures/state-weights-and-measures-directors" data-entity-type="node" data-entity-uuid="fa5f090d-3d55-4b00-ab15-1051eb3fd584" data-entity-substitution="canonical" title="State Weights and Measures Directors">See State Directors List</a></td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="ohio"></a>Ohio</h3></td></tr><tr><td>Mailing Address  <a href="https://agri.ohio.gov/wps/portal/gov/oda/divisions/weights-and-measures">Ohio Department of Agriculture</a> 8995 East Main Street Bldg 5 Reynoldsburg, OH 43068-3398</td><td>Shipping Address Same as Mailing Address.</td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="7e74f8ac-9b4b-4fe6-8b2c-c1fd58c05b46" data-file-url="/system/files/documents/2024/01/31/oh-cert-2023-24.pdf" href="/document/ohio-certificate-metrological-traceability-2024" title="Ohio Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="9bdd83dd-8cf9-4724-b373-e2d2a0bf416c" data-file-url="/system/files/documents/2025/02/04/oh-cert-2025-26%2020250130.pdf" href="/document/ohio-certificate-metrological-traceability-2025-2026" title="Ohio Certificate of Metrological Traceability 2025 to 2026">2025 to 2026 OWM Certificate of Metrological Traceability</a> PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>Tom.Buck [at] agri.ohio.gov (Tom Buck) ken.johnson [at] agri.ohio.gov (Ken Johnson) Daniel.Walker [at] Agri.ohio.gov (Daniel Walker) Keith.Crider [at] agri.ohio.gov (Keith Crider)E-mail: metrology [at] agri.ohio.gov (metrology[at]agri[dot]ohio[dot]gov) Phone: (614) 728-6290 Fax: (614) 728-6424</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="oklahoma"></a>Oklahoma</h3></td></tr><tr><td>Mailing Address  <a href="https://ag.ok.gov/">Oklahoma Bureau of Standards</a> 2800 North Lincoln Boulevard Oklahoma City, OK 73105</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="2a905300-f3bf-4e31-b0d9-931ab259df51" data-file-url="/system/files/documents/2022/02/25/ok-cert%20-2022-20220131%20conditional.pdf" href="/document/oklahoma-certificate-metrological-traceability-2022" title="Oklahoma Certificate of Metrological Traceability 2022">2022 OWM Certificate of Metrological Traceability</a> PDFNo Certificate (pending staff training)</td><td>william.krivanek [at] ag.ok.gov (William Krivanek) termelia.hogg [at] ag.ok.gov (Termelia Hogg) Phone: (405) 522-5459</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="oregon"></a>Oregon</h3></td></tr><tr><td>Main Laboratory, Mail, Small shipments <a href="https://www.oregon.gov/oda/programs/MarketAccess/Pages/Metrology.aspx">Oregon Department of Agriculture</a> <a href="https://www.oregon.gov/oda/programs/MarketAccess/Pages/Metrology.aspx">Weights and Measures Program</a> 635 Capitol Street NE Suite 100 Salem, OR 97301-2532  </td><td>Large Shipments, Weights and Provers 151 Hawthorne Avenue, NE Salem, OR 97301 (Not routinely staffed. Call Main Laboratory for access and deliveries.)</td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="fd6e67a8-5153-40a9-b5d9-0280db9f650d" data-file-url="/system/files/documents/2022/02/25/or-cert-2022-23%2020220131.pdf" href="/document/oregon-certificate-metrological-traceability-2022-2023" title="Oregon Certificate of Metrological Traceability 2022-2023">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="653a09c5-5fc9-4615-9b03-47c08dea3e41" data-file-url="/system/files/documents/2025/02/04/or-cert-2024-25%20Amended%2020250130.pdf" href="/document/oregon-certificate-metrological-traceability-2024-2025-amended" title="Oregon Certificate of Metrological Traceability 2024 to 2025 Amended">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDF (Amended 2025-01-30)See <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>aaron.aydelotte [at] oda.oregon.gov (Aaron Aydelotte) Office: (503) 986-4669 Cell: 503-510-6739 raymond.nekuda [at] oda.oregon.gov (Ray Nekuda) Office: (503) 986-4672 Cell: 503-510-2310 Phone: (503) 986-4669 Fax: (503) 986-4784</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="pennsylvania"></a>Pennsylvania</h3></td></tr><tr><td>Mailing Address  <a href="https://www.dgs.pa.gov/Pennsylvania-Standards-Laboratory/Pages/default.aspx">Pennsylvania Standards Lab</a> 2221 Forster Street Rm G-44A Harrisburg, PA 17125</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="67acd636-f889-4c3b-bd9a-9e913d942cfc" data-file-url="/system/files/documents/2024/01/31/pa-cert-2024-25.pdf" href="/document/pennsylvania-certificate-metrological-traceability-2024-2025" title="Pennsylvania Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDF <a href="https://Pennsylvania%20Certificate%20of%20Metrological%20Traceability%202025%20to%202026">2025 to 2026 OWM Certificate of Metrological Traceability</a> PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>jgownley [at] pa.gov (James Gownley) (717) 787-4707 duclaycomb [at] pa.gov (Dustin Claycomb) (717) 525-5829 cdrupp [at] pa.gov (Chris Drupp) (717) 525-5826 riradel [at] pa.gov (Richard Radel), Jr (717) 525-5830 kensingh [at] pa.gov (Kenrick Singh) (717) 525-5828 lincwillia [at] pa.gov (Linc Williams) (717) 525-7109Phone: (717) 787-0937 Fax: (717) 705-0882</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="puerto rico"></a>Puerto Rico</h3></td></tr><tr><td>Mailing Address  Puerto Rico Department of Consumer Affairs 140 Federico Costas Street San Juan, PR 00918</td><td>Shipping Address Same as Mailing Address.<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td>No Certificate</td><td>abrodriguez [at] daco.gobierno.pr (Abner Rodriguez-Valentin) Phone: (787) 725-4414 Fax: (787) 723-3491</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="rhodeisland"></a>Rhode Island</h3></td></tr><tr><td>Mailing Address  Rhode Island Department of Labor 610 Manton Avenue Providence, RI 02909</td><td>Shipping Address Same as Mailing Address.<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td>No Certificate</td><td>Lab Closed <a href="/pml/owm/resources-weights-and-measures/state-weights-and-measures-directors" data-entity-type="node" data-entity-uuid="fa5f090d-3d55-4b00-ab15-1051eb3fd584" data-entity-substitution="canonical" title="State Weights and Measures Directors">See State Directors List</a></td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="southcarolina"></a>South Carolina</h3></td></tr><tr><td>Mailing Address  <a href="https://agriculture.sc.gov/">South Carolina Department of Agriculture</a> D. Leslie Tindal Metrology Laboratory 129 Ballard Court West Columbia, SC 29172</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="5218e5f2-f3c4-4078-91e5-79b44f4eb2ed" data-file-url="/system/files/documents/2024/02/13/sc-cert-2024%20amended%2020240208.pdf" href="/document/south-carolina-certificate-metrological-traceability-2024" title="South Carolina Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="1ca4b919-58bb-4771-b826-3f7c0a4ebc38" data-file-url="/system/files/documents/2025/02/04/sc-cert-2025-26%20Amended_20250131.pdf" href="/document/south-carolina-certificate-metrological-traceability-2025-2026-amended" title="South Carolina Certificate of Metrological Traceability 2025 to 2026 (Amended)">2025 to 2026 OWM Certificate of Metrological Traceability</a> PDF</td><td>tjones [at] scda.sc.gov (Timothy Jones ()803) 734-3266 triser [at] scda.sc.gov (Tracy Riser) (803) 734-2375 ksherrick [at] scda.sc.gov (Kristin Sherrick) (803) 734-7908 czegilla [at] scda.sc.gov (Candice Zegilla) (803) 734-3355Phone: (803) 253-4052</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="southdakota"></a>South Dakota</h3></td></tr><tr><td>Mailing Address  <a href="https://dps.sd.gov/inspections/weights-measures/metrology-lab">South Dakota State Metrology Laboratory</a> 1100 Otter Road, Building D Sturgis, SD 57785</td><td>Shipping Address Same as Mailing Address<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="2afda31b-391b-4e59-8a9b-f89c8120720a" data-file-url="/system/files/documents/2022/06/29/sd-cert-2022-23-20220629.pdf" href="/document/south-dakota-certificate-metrological-traceability-2022-2023" title="South Dakota Certificate of Metrological Traceability 2022-2023">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="2217d93e-67f1-417f-a168-e26418e78b38" data-file-url="/system/files/documents/2025/02/04/sd-cert-2024-25%20Amended%2020250113.pdf" href="/document/south-dakota-certificate-metrological-traceability-2024-2025-amended" title="South Dakota Certificate of Metrological Traceability 2024 to 2025 (Amended)">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDF (Amended 20250130)</td><td>Ron.Peterson [at] state.sd.us (Ron Peterson) (605) 280-4572Email:  DPSWM [at] state.sd.us (DPSWM[at]state[dot]sd[dot]us) Phone: (605) 347-7541</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="tennessee"></a>Tennessee</h3></td></tr><tr><td>Mailing Address  <a href="https://www.tn.gov/agriculture/consumers/standards/metrology.html">Tennessee Department of Agriculture Julius T. Johnson Metrology Laboratory</a> <a href="https://www.tn.gov/agriculture/consumers/standards/metrology.html">Ellington Agriculture Center</a> 5203 Marchant Drive Nashville, TN 37204</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="0a78e84e-59c8-4284-8ac1-04827f8fc2b6" data-file-url="/system/files/documents/2023/02/02/tn-cert-2023.pdf" href="/document/tennessee-certificate-metrological-traceability-2023" title="Tennessee Certificate of Metrological Traceability 2023">2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="fb07be12-4be3-4cf0-b561-3b1d5d27aaec" data-file-url="/system/files/documents/2025/01/28/tn-cert-2024-25-20241203%20NoChange.pdf" href="/document/tennessee-certificate-metrological-traceability-2024-2025" title="Tennessee Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> (Amended 2024-07-15) PDF</td><td>mark.hanes [at] tn.gov (Mark Hanes) (615) 837-5145 Nicholas.Andersen [at] tn.gov (Nicholas Andersen) (615) 253-4426 luis.rendon [at] tn.gov (Luis Rendon) (615) 532-7678 matthew.d.wade [at] tn.gov (Matthew Wade) (615) 837-5160 Rong.Zhang [at] tn.gov (Rong Zhang) (615) 837-5158 Email: tn.metrology [at] tn.gov (tn[dot]metrology[at]tn[dot]gov) Phone: (615) 837-5159 Fax: (615) 837-5015</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="texas"></a>Texas</h3></td></tr><tr><td>Mailing Address  <a class="external" href="https://www.texasagriculture.gov">Texas Department of Agriculture</a> Giddings Metrology Laboratory P.O. Box 1518 Giddings, TX 78942</td><td>Shipping Address 1258 CR 226 Giddings, TX 78942<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="9ba6c2a3-43c8-467e-9e44-85774823ae10" data-file-url="/system/files/documents/2023/02/06/tx-cert-2022-23-amended.pdf" href="/document/texas-certificate-metrological-traceability-2022-2023-amended" title="Texas Certificate of Metrological Traceability 2022-2023 amended">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="184c26fa-4722-45ce-b1a3-60cc220a173e" data-file-url="/system/files/documents/2025/02/04/tx-cert-2024-25%20NoChange.pdf" href="/document/texas-certificate-metrological-traceability-2024-2025" title="Texas Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>lisa.corn [at] texasagriculture.gov (Lisa Corn) heather.exner [at] texasagriculture.gov (Heather Exner) shaunna.keilberg [at] TexasAgriculture.gov (Shauna Keilberg) Keri.Schatte [at] texasagriculture.gov (Keri Schatte) kirt.weyand [at] texasagriculture.gov (Kirt Weyand) Email: metrologylab [at] texasagriculture.gov (metrologylab[at]texasagriculture[dot]gov) Phone: (979) 542-3231 Fax: (888) 205-7741</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="usda"></a>U.S. Department of Agriculture, Agricultural Marketing Service, Federal Grain Inspection Service (USDA, AMS, FGIS)</h3></td></tr><tr><td>Mailing Address  USDA/AMS/FGIS Master Scale Depot 5800 West 69th Street Chicago, IL 60638</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="084b0b53-8c7e-4bba-9a04-419db3b02033" data-file-url="/system/files/documents/2024/01/31/usda-cert-2024-20240107.pdf" href="/document/usda-certificate-metrological-traceability-2024" title="USDA Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="a060b00d-84bb-4a4f-bcc9-26ae018ff1e2" data-file-url="/system/files/documents/2025/02/05/usda-cert-2025_20250203.pdf" href="/document/usda-certificate-metrological-traceability-2025" title="USDA Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> PDF  </td><td>oscar.kc.porter [at] usda.gov (Oscar Porter) (708) 514-9043</td></tr><tr><td><h3><a class="ck-anchor" id="utah"></a>Utah</h3></td><td> </td></tr><tr><td>Mailing Address  <a href="https://ag.utah.gov/">Utah Metrology Laboratory</a> 4315 S 2700 W TSOB South Bldg, Floor 2 Taylorsville, UT 84129-2128</td><td>Shipping Address Same as Mailing Address.<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="4301a7bf-bc16-477f-89fd-fe9f6c465d0f" data-file-url="/system/files/documents/2024/01/31/ut-cert-2024%20amended%2020240131.pdf" href="/document/utah-certificate-metrological-traceability-2024-amended" title="Utah Certificate of Metrological Traceability 2024 (Amended)">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="73bb6712-1dc5-4915-b558-2bb863afad00" data-file-url="/system/files/documents/2025/02/05/ut-cert-2025-26%20Amended%2020250204.pdf" href="/document/utah-certificate-metrological-traceability-2025-2026" title="Utah Certificate of Metrological Traceability 2025 to 2026">2025 to 2026 OWM Certificate of Metrological Traceability</a> PDF (Amended 2025-02-04)</td><td>brigby [at] utah.gov (Bill Rigby) (801) 982-2267 mkofford [at] utah.gov (Miland Kofford) (801) 982-2261Phone: (801) 982-2267 Fax: (801) 359-0213</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="vermont"></a>Vermont</h3></td></tr><tr><td>Mailing Address  <a href="https://agriculture.vermont.gov/weights-measures/metrology-lab">State of Vermont Metrology Laboratory</a> 163 Administration Drive Randolph Center, VT 05061</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="6c4cae27-f6ad-4981-9f72-afe813351198" data-file-url="/system/files/documents/2023/02/06/vt-cert-2022-23-amended.pdf" href="/document/vermont-certificate-metrological-traceability-2022-2023-0" title="Vermont Certificate of Metrological Traceability 2022-2023">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="67fc1a68-4fe7-4ec3-96cf-36057e11d70c" data-file-url="/system/files/documents/2025/01/28/vt-cert-2024-25-20250127.pdf" href="/document/vermont-certificate-metrological-traceability-2024-2025-0" title="Vermont Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDF  </td><td>marc.paquette [at] vermont.gov (Marc Paquette) (802) 793-6744 scott.dolan [at] vermont.gov (Scott Dolan) (802) 522-5415</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="virginislands"></a>Virgin Islands</h3></td></tr><tr><td>Mailing Address  VI Department of Licensing and Consumer Affairs Golden Rock Shopping Center Christiansted, St. Croix, VI</td><td>Shipping Address Same as Mailing Address.  <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td>No Certificate</td><td>Lab Closed <a href="/pml/owm/resources-weights-and-measures/state-weights-and-measures-directors" data-entity-type="node" data-entity-uuid="fa5f090d-3d55-4b00-ab15-1051eb3fd584" data-entity-substitution="canonical" title="State Weights and Measures Directors">See State Directors List</a></td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="virginia"></a>Virginia</h3></td></tr><tr><td>Mailing Address  <a href="https://www.vdacs.virginia.gov/weights-weights-and-measures-services.shtml">Virginia Department of Agriculture Metrology Laboratory</a> 600 North 4th Street Richmond, VA 23219</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="7302826f-19a9-4b5b-9d02-5a5225ac8b13" data-file-url="/system/files/documents/2024/01/31/va-cert-2024-20240107.pdf" href="/document/virginia-certificate-metrological-traceability-2024" title="Virginia Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="df102ca4-3812-4887-bda6-3e141e974896" data-file-url="/system/files/documents/2025/02/04/va-cert-2025_20250108.pdf" href="/document/virginia-certificate-metrological-traceability-2025" title="Virginia Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> PDFSee <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>linda.jones [at] vdacs.virginia.gov (Linda Jones) armeta.robinson [at] vdacs.virginia.gov (Armeta Robinson) william.scott [at] vdacs.virginia.gov (William Scott)Phone: (804) 786-0479 Fax: (804) 371-0206</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="washington"></a>Washington</h3></td></tr><tr><td>Mailing Address  <a href="https://agr.wa.gov/departments/laboratories/metrology-lab">Washington State Department of Agriculture Weights and Measures Program (WSDA)</a> Metrology Laboratory P.O. Box 42560 Olympia, WA 98504-2560</td><td>Shipping Address WA State Department of Agriculture (WSDA) Metrology Laboratory 2747 29th Avenue SW, Ste B Tumwater, WA 98512-6104<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="896cd356-6e7d-40a1-8215-c1afa05afc45" data-file-url="/system/files/documents/2023/02/06/wa-cert-2022-23.pdf" href="/document/washington-certificate-metrological-traceability-2022-2023-0" title="Washington Certificate of Metrological Traceability 2022-2023">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="df381829-828f-4c79-90d6-b19252ac523b" data-file-url="/system/files/documents/2025/02/04/wa-cert-2024-25%20Amended%2020250130.pdf" href="/document/washington-certificate-metrological-traceability-2024-2025-amended" title="Washington Certificate of Metrological Traceability 2024 to 2025 (Amended)">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDF (Amended 20250130)See <a href="/nvlap" data-entity-type="node" data-entity-uuid="e1e059d6-c5af-443d-974c-faa6ec719b6e" data-entity-substitution="canonical" title="National Voluntary Laboratory Accreditation Program (NVLAP)">NVLAP</a> also.</td><td>lgerman [at] agr.wa.gov (Leslie German)Phone: (360) 764-0199</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="westvirginia"></a>West Virginia</h3></td></tr><tr><td>Mailing Address  <a href="https://labor.wv.gov/Weights-Measures/Pages/Laboratory.aspx">West Virginia Division of Labor, Weights & Measures Metrology Laboratory</a> WV Weights & Measures 570 McCorkle Avenue SW St. Albans, WV 25177-1795</td><td>Shipping Address Same as Mailing Address.<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="420d634c-fc70-409f-8b3a-193d9b55d706" data-file-url="/system/files/documents/2024/01/31/wv-cert-2024.pdf" href="/document/west-virginia-certificate-metrological-traceability-2024" title="West Virginia Certificate of Metrological Traceability 2024">2024 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="4467d231-da95-4904-a04e-9068a22786fa" data-file-url="/system/files/documents/2025/02/04/wv-cert-2025-20250130.pdf" href="/document/west-virginia-certificate-metrological-traceability-2025" title="West Virginia Certificate of Metrological Traceability 2025">2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>tory.d.brewer [at] wv.gov (Tory Brewer) (304) 380-9260 adam.l.lopez [at] wv.gov (Adam Lopez) (304) 352-1156 jacob.l.woodrum [at] wv.gov (Jacob Woodrum) (304) 352-1312E-mail: weights [at] wv.gov (weights[at]wv[dot]gov) Phone: (304) 722-0602 Fax: (304) 722-0605</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="wisconsin"></a>Wisconsin</h3></td></tr><tr><td>Mailing Address  <a href="https://datcp.wi.gov/Pages/Programs_Services/MetrologyLab.aspx">Wisconsin Weights and Measures Laboratory</a> 3601 Galleon Run Madison, WI 53718-6921</td><td>Shipping Address Same as Mailing Address.<a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="aa633830-8acb-42f0-aa3a-e3e2a67e6817" data-file-url="/system/files/documents/2022/02/25/wi-cert-2022-23%2020220128.pdf" href="/document/wisconsin-certificate-metrological-traceability-2022-2023" title="Certificate of Metrological Traceability 2022">2022 to 2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="0c2a7dae-09eb-40a5-917e-3c6f3d42ed7c" data-file-url="/system/files/documents/2025/01/28/wi-cert-2024-25-20241203.pdf" href="/document/wisconsin-certificate-metrological-traceability-2024-2025-0" title="Wisconsin Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>justin.lien [at] wisconsin.gov (Justin Lien) (608) 224-4913 paul.masterson [at] wisconsin.gov (Paul Masterson) (608) 224-4910 ronald.depouw [at] wisconsin.gov (Ronald DePouw) (608) 224-4911 BradleyA.Wing [at] wisconsin.gov (Bradley Wing) (608) 224-4914E-mail:  DATCPMetrologyLab [at] wisconsin.gov (DATCPMetrologyLab[at]wisconsin[dot]gov) Phone: (608) 224-4910 Fax:   (608) 224-4912</td></tr><tr><td colspan="2"><h3><a class="ck-anchor" id="wyoming"></a>Wyoming</h3></td></tr><tr><td>Mailing Address  <a class="external" href="http://agriculture.wy.gov/">Wyoming Department of Agriculture</a> 6607 Campstool Road Cheyenne, WY 82002</td><td>Shipping Address Same as Mailing Address. <a href="/pml/owm/resources-weights-and-measures/state-metrology-laboratories#Top" data-entity-type="node" data-entity-uuid="ed3f1dad-5063-4c02-a4c0-d3b198e482db" data-entity-substitution="canonical" title="State Metrology Laboratories">Return to Top of Page</a></td></tr><tr><td><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="891c1f0f-2e71-4844-b2d7-482de4ef6dfd" data-file-url="/system/files/documents/2023/02/02/wy-cert-2023.pdf" href="/document/wyoming-certificate-metrological-traceability-2023" title="Wyoming Certificate of Metrological Traceability 2023">2023 OWM Certificate of Metrological Traceability</a> PDF <a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="55636da6-8a52-4c4e-bc32-56a445e2b91e" data-file-url="/system/files/documents/2025/01/28/wy-cert-2024-25-20241203.pdf" href="/document/wyoming-certificate-metrological-traceability-2024-2025-0" title="Wyoming Certificate of Metrological Traceability 2024 to 2025">2024 to 2025 OWM Certificate of Metrological Traceability</a> PDF</td><td>robert.weidler [at] wyo.gov (Robert Weidler) (307) 777-7556 todd.stiles [at] wyo.gov (Todd Stiles) (307) 777-3354Phone: (307) 777-7556 Fax: (307) 777-1943</td></tr></tbody></table><div class="nist-callout"><h3>Related Links:</h3><a href="https://www.nist.gov/pml/owm/state-calibration-scope">State Calibration Scope/Summary and Laboratory Contact Information</a> <a href="https://www.nist.gov/nvlap">NVLAP Directory of Accredited Laboratories</a></div> </div> </div> <div class="nist-block" >  <div data-elastic-exclude="" class="nist-tags"> <a href="/topic-terms/metrology" hreflang="en">Metrology</a> and <a href="/topic-terms/weights-and-measures" hreflang="en">Weights and measures</a></div>  </div> </div> </div> </div> <div class="grid-container"> <div class="nist-page__region nist-page__region--content-bottom" > <div class="nist-block nist-block--contact" > <h2 class="nist-block__title" >Contacts</h2> <div class="nist-contact"> <ul class="nist-contact__items"> <li class="nist-contact__item"> <div class="nist-contact__name"> General Information - OWM </div> <div> <a href="mailto:owm@nist.gov">owm@nist.gov</a> </div> <div> </div> </li> </ul> </div> </div> <div class="nist-block" > <div class="text-italic 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