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<div class="l-sidebar__main"> <article class="article" lang="en"> <h1 class="page-title"> Frequent Questions for Specific EPA Programs/Topics </h1> <div class="u-hide-for-print js-toggle-admin-content"> <div data-drupal-messages-fallback class="hidden"></div> </div> <div> <div> <div data-embed-button="paragraphs" data-entity-label="Paragraphs" data-paragraph-id="4b628bbe-54b5-426a-9daf-3636e430c466" data-paragraph-revision-id="4457" data-langcode="en" data-view-mode="embed" data-entity-embed-display="entity_reference_revisions:entity_reference_revisions_entity_view" data-entity-type="embedded_paragraphs" data-entity-uuid="4b628bbe-54b5-426a-9daf-3636e430c466" data-entity-embed-display-settings="[]" class="embedded-entity"> <div class="box box--related-info u-align-right"> <h2 class="box__title"> Can't find what you need? </h2> <div class="box__content"> <ul> <li><a href="/faqs/search">Search other FAQ topics</a></li> <li><a href="https://usepa.servicenowservices.com/ecss?id=kb_search&kb_knowledge_base=98a9e8ce1b4858104614ddb6bc4bcb03&spa=1">Browse or search the FAQ database</a></li> <li><a href="https://usepa.servicenowservices.com/ecss?id=ecss_csm_get_help_1&sys_id=d696a9f51ba9581013bdb913cc4bcbbe">Ask a question</a></li> <li><a href="/home/epa-hotlines">Contact a hotline</a></li> </ul> </div> </div> </div> <p>EPA maintains answers to frequent questions about many topics in searchable databases. In addition, some individual offices and programs maintain their own Frequent Questions web pages.</p> <hr class="clear-both"> <ul class="list list--pipeline"> <li><a href="#A">A</a></li> <li><a href="#B">B</a></li> <li><a href="#C">C</a></li> <li><a href="#D">D</a></li> <li><a href="#E">E</a></li> <li><a href="#F">F</a></li> <li><a href="#G">G</a></li> <li><a href="#H">H</a></li> <li><a href="#I">I</a></li> <li>J</li> <li>K</li> <li><a href="#L">L</a></li> <li><a href="#M">M</a></li> <li><a href="#N">N</a></li> <li><a href="#O">O</a></li> <li>P</li> <li><a href="#Q">Q</a></li> <li><a href="#R">R</a></li> <li><a href="#S">S</a></li> <li><a href="#T">T</a></li> <li><a href="#U">U</a></li> <li>V</li> <li><a href="#W">W</a></li> <li>X</li> <li>Y</li> <li>Z</li> </ul> <hr> <p><strong><a id="A" name="A"></a></strong></p> <h2>A</h2> <ul> <li><a href="https://usepa.servicenowservices.com/ecss?id=kb_search&kb_knowledge_base=bb0e5d89db8010104d3fe04a4896191d&spa=1&kb_category=2d6cc75e1bd2d01014c3ddb6bc4bcbd0">Agriculture</a> </li> <li><a href="/hw/frequent-questions-about-regulation-airbag-waste">Airbag Waste</a></li> <li><a href="/AirToxScreen/airtoxscreen-frequent-questions">AirToxScreen</a> </li> <li><a href="/faqs/search/topics/air-emissions-inventories-303821">Air Emissions Inventories</a> </li> <li><a href="https://usepa.servicenowservices.com/ecss?id=kb_search&spa=1&kb_knowledge_base=98a9e8ce1b4858104614ddb6bc4bcb03&kb_category=b6827a161b52d01014c3ddb6bc4bcb31">Asbestos</a></li> </ul> <h2><a id="B" name="B"></a>B</h2> <ul> <li><a href="/burnwise/frequent-questions-about-wood-burning-appliances">Burn Wise Program (wood-burning appliances and wood smoke)</a> </li> </ul> <h2><a id="C" name="C"></a>C</h2> <ul> <li><a href="/careers/how-apply-frequent-questions-about-epa-jobs-and-applying-epa-jobs">Careers with EPA</a> </li> <li><a href="/hw/frequent-questions-about-regulation-used-cathode-ray-tubes-crts-and-crt-glass">Used Cathode Ray Tubes</a></li> <li><a href="https://cdx.epa.gov/FAQ">Central Data Exchange (CDX)</a></li> <li><a href="/climate-indicators/frequent-questions">Climate Change Indicators</a></li> <li><a href="https://usepa.servicenowservices.com/ecss?id=kb_search&kb_knowledge_base=bb0e5d89db8010104d3fe04a4896191d">Compliance and Enforcement</a></li> </ul> <h2><a id="D" name="D"></a>D</h2> <ul> <li><a href="/sdwa/questions-and-answers-drinking-water-health-advisories-pfoa-pfos-genx-chemicals-and-pfbs">Drinking Water Health Advisories for PFOA, PFOS, GenX Chemicals and PFBS</a> </li> </ul> <h2><a id="E" name="E"></a>E</h2> <ul> <li><a href="/egrid/frequent-questions-about-egrid">eGRID</a> </li> <li><a href="/e-manifest/frequent-questions-about-e-manifest">e-Manifest</a></li> <li><a href="/faqs/search/topics/emergency-planning-and-community-right-know-304487">Emergency Planning and Community Right-to-Know (EPCRA)</a> </li> <li><a href="https://energystar-mesa.force.com/ENERGYSTAR/s/?s=footer">Energy Star</a> </li> <li><a href="https://echo.epa.gov/resources/general-info/echo-faq">Enforcement and Compliance History (ECHO)</a> </li> <li><a href="https://usepa.servicenowservices.com/oeca_icis?id=kb_search&kb_knowledge_base=226359041b1374504614ddb6bc4bcb65">Enforcement and Compliance History (ECHO) Support Portal</a> </li> <li><a href="http://yosemite.epa.gov/oa/EAB_Web_Docket.nsf/General+Information/Frequently+Asked+Questions?OpenDocument">Environmental Appeals Board (EAB)</a> </li> <li><a href="/students/frequent-questions-about-environmental-education-and-learning-about-environment">Environmental Education</a> </li> <li><a href="/hazardous-air-pollutants-ethylene-oxide/frequent-questions-about-ethylene-oxide-eto">Ethylene Oxide (EtO)</a> </li> </ul> <h2><a id="F" name="F"></a>F</h2> <ul> <li><a href="/faqs/search/topics/fuel-program-308115">Fuels Registration, Reporting, and Compliance</a> </li> </ul> <h2><a id="G" name="G"></a>G</h2> <ul> <li><a href="/grants/frequent-questions-about-closeouts">Grant Closeouts</a></li> </ul> <h2><a id="H" name="H"></a>H</h2> <ul> <li><a href="/hw/z-index-hazardous-waste-topics#f">Hazardous Waste</a></li> <li><a href="/hwgenerators/frequent-questions-about-hazardous-waste-generation">Hazardous Waste Generation</a></li> <li><a href="/hwgenerators/frequent-questions-hazardous-waste-generators">Hazardous Waste Generators</a></li> <li><a href="/hw/frequent-questions-about-hazardous-waste-identification">Hazardous Waste Identification</a></li> <li><a href="/hwgenerators/frequent-questions-about-hazardous-waste-imports-and-exports">Hazardous Waste Imports and Exports</a></li> <li><a href="/hwpermitting/frequent-questions-about-hazardous-waste-permitting">Hazardous Waste Permitting</a></li> <li><a href="/hw/frequent-questions-related-hazardous-waste-recycling-definition-solid-waste-and-other-exemptions">Hazardous Waste Recycling, the Definition of Solid Waste and Other Exemptions and Exclusions</a></li> <li><a href="/hw/hazardous-waste-transportation#FQs">Hazardous Waste Transportation</a></li> </ul> <h2><a id="I" name="I"></a>I</h2> <ul> <li><a href="https://usepa.servicenowservices.com/oeca_icis?id=kb_search&kb_knowledge_base=1d3e19441b5374504614ddb6bc4bcbbd">ICIS Help Center</a> </li> <li><a href="/indoor-air-quality-iaq/indoor-air-quality-iaq-frequently-asked-questions">Indoor Air Quality (IAQ)</a> </li> <li><a href="https://usepa.servicenowservices.com/ecss?id=kb_search&kb_knowledge_base=eafded3b1bee1c104614ddb6bc4bcb6a&spa=1">Information Systems and Data Catalogs</a> </li> </ul> <h2><a id="L" name="L"></a>L</h2> <ul> <li><a href="/hw/frequent-questions-about-land-disposal-restrictions-hazardous-waste">Land Disposal Restrictions for Hazardous Waste</a></li> <li><a href="/landfills/frequent-questions-about-landfills">Landfills</a></li> <li><a href="/lmop/frequent-questions-about-landfill-gas">Landfill Methane Outreach Program</a></li> <li><a href="https://usepa.servicenowservices.com/ecss?id=kb_search&spa=1&kb_knowledge_base=98a9e8ce1b4858104614ddb6bc4bcb03&kb_category=6aa2be161b52d01014c3ddb6bc4bcb93">Lead</a></li> <li><a href="/superfund/lead-superfund-sites-frequent-questions">Lead at Superfund Sites</a></li> <li><a href="/recycle/frequent-questions-lithium-ion-batteries">Lithium-ion Batteries</a></li> </ul> <h2><a id="M" name="M"></a>M</h2> <ul> <li><a href="/hw/managing-used-oil-answers-frequent-questions-businesses">Managing Used Oil: Answers to Frequent Questions for Businesses</a></li> <li><a href="/mold/mold-frequently-asked-questions">Mold</a></li> <li><a href="/faqs/search/topics/moves-308095">MOVES and Other Mobile Source Emissions Models</a> </li> </ul> <h2><a id="N" name="N"></a>N</h2> <ul> <li><a href="/nscep/frequent-questions-about-using-national-service-center-environmental-publications">National Service Center for Environmental Publications (NSCEP)</a> </li> <li><a href="https://usepa.servicenowservices.com/oeca_icis?id=kb_search&kb_knowledge_base=2813214c1b5374504614ddb6bc4bcb1e">NetDMR Help Center</a> </li> <li><a href="https://usepa.servicenowservices.com/oeca_icis?id=kb_search&kb_knowledge_base=1db161c81b5374504614ddb6bc4bcbf0">NPDES eReporting Tool (NeT) Help Center</a> </li> </ul> <h2><a id="O" name="O"></a>O</h2> <ul> <li><a href="/faqs/search/topics/oil-regulations-304533">Oil Regulations, SPCC</a></li> </ul> <h2><a id="Q" name="Q"></a>Q</h2> <ul> <li><a href="/quality/frequent-questions-about-epas-quality-program">EPA's Quality Program</a> </li> </ul> <h2><a id="R" name="R"></a>R</h2> <ul> <li><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="9510ae66-a610-4441-9ea8-04e27b7db1cf" href="/radiation/frequent-questions-radiation-protection">Radiation</a></li> <li><a href="/radon/radon-frequently-asked-questions">Radon</a></li> <li><a href="/recycle/frequent-questions-recycling">Recycling</a> </li> <li><a href="https://usepa.servicenowservices.com/ecss?id=kb_search&kb_knowledge_base=98a9e8ce1b4858104614ddb6bc4bcb03&spa=1&kb_category=1bc3f6961b52d01014c3ddb6bc4bcb4e">Recycling, Garbage, e-Waste</a></li> <li><a href="/faqs/search/topics/risk-management-program-rmp-304511">Risk Management Program (RMP)</a></li> </ul> <h2><a id="S" name="S"></a>S</h2> <ul> <li><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="428ac99c-6249-41c3-845a-d832ef323746" href="/accessibility">Section 508</a> </li> <li><a href="/hw/solar-panel-frequent-questions">Solar Panels</a></li> <li><a href="/greenerproducts/frequent-questions-about-sustainable-marketplace-and-green-products">Sustainable Marketplace and Green Products</a> </li> <li><a href="/hw-sw846/frequent-questions-about-sw-846-compendium-and-related-documents">SW-846 Test Methods</a> </li> </ul> <h2><a id="T" name="T"></a>T</h2> <ul> <li><a href="/tmdl/overview-total-maximum-daily-loads-tmdls">Total Maximum Daily Loads (TMDL)</a> </li> <li><a href="https://ordspub.epa.gov/ords/guideme_ext/f?p=guideme:qa-search">Toxics Release Inventory (TRI) Reporting Guidance</a></li> <li><a href="/transportation-air-pollution-and-climate-change/frequent-questions-related-transportation-air">Transportation and Air Quality</a> </li> <li><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="5bc1c1b6-3b1f-4b49-9fb8-bcbc65bb6a74" href="/transportation-air-pollution-and-climate-change/frequent-questions-related-transportation-air">Transportation, Air Pollution, and Climate Change</a> </li> <li><a href="/hwpermitting/frequent-questions-about-treatment-storage-and-disposal-facilities-tsdfs">Treatment, Storage, and Disposal Facilities (TSDFs)</a></li> </ul> <h2><a id="U" name="U"></a>U</h2> <ul> <li><a href="/ust/frequent-questions-about-underground-storage-tanks">Underground Storage Tanks</a> </li> <li><a href="/hw/frequent-questions-about-universal-waste">Universal Waste</a></li> </ul> <h2><a id="W" name="W"></a>W</h2> <ul> <li><a href="https://usepa.servicenowservices.com/ecss?id=kb_search&kb_knowledge_base=98a9e8ce1b4858104614ddb6bc4bcb03&spa=1&kb_category=4424f2d61b52d01014c3ddb6bc4bcb62">Water: Drinking Water and Water Use, Water Bodies, Wastewater, Water Quality</a></li> <li><a href="/npdes/npdes-permit-basics">Water Permitting (NPDES)</a> </li> <li><a href="/npdes/frequent-questions-about-water-quality-trading">Water Quality Trading</a> </li> </ul> </div> </div> </article> </div> <div class="l-sidebar__sidebar"> <div class="menu-sidenav__overlay"></div> <div id="block-webareamenu" class="block--web-area-menu block"> <h2 class="block__title"><a href="/aboutepa" hreflang="en">About EPA</a></h2> <div class="block__content"> <button type="button" class="usa-button usa-button--outline web-area-menu__button" id="web-area-menu__button" aria-label="toggle the side navigation menu"> <svg 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