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dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Catcher of flammable debris</div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Centrifugal_spark_arrester.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/06/Centrifugal_spark_arrester.png/220px-Centrifugal_spark_arrester.png" decoding="async" width="220" height="122" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/06/Centrifugal_spark_arrester.png/330px-Centrifugal_spark_arrester.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/06/Centrifugal_spark_arrester.png/440px-Centrifugal_spark_arrester.png 2x" data-file-width="1191" data-file-height="662" /></a><figcaption>Centrifugal type spark arrester</figcaption></figure> <p>A <b>spark arrester</b> (sometimes <b>spark arrestor</b>) is any device which prevents the emission of flammable debris from <a href="/wiki/Combustion" title="Combustion">combustion</a> sources, such as <a href="/wiki/Internal_combustion_engine" title="Internal combustion engine">internal combustion engines</a>, <a href="/wiki/Fireplace" title="Fireplace">fireplaces</a>, and <a href="/wiki/Wood-burning_stove" title="Wood-burning stove">wood-burning stoves</a>. </p><p>Spark arresters play a critical role in the prevention of <a href="/wiki/Wildland_fire" class="mw-redirect" title="Wildland fire">wildland fire</a> and ignition of <a href="/wiki/Explosive" title="Explosive">explosive</a> atmospheres. Consequently, their use is required by law in many jurisdictions worldwide. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Applications">Applications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=1" title="Edit section: Applications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Engines">Engines</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=2" title="Edit section: Engines"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading4"><h4 id="Steam">Steam</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=3" title="Edit section: Steam"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Modellbahn_Schifferstadt_16.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Modellbahn_Schifferstadt_16.JPG/220px-Modellbahn_Schifferstadt_16.JPG" decoding="async" width="220" height="226" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Modellbahn_Schifferstadt_16.JPG/330px-Modellbahn_Schifferstadt_16.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Modellbahn_Schifferstadt_16.JPG/440px-Modellbahn_Schifferstadt_16.JPG 2x" data-file-width="1675" data-file-height="1722" /></a><figcaption>Internal spark arrester mesh on a model steam locomotive</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:LincolnTrain.jpeg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/LincolnTrain.jpeg/220px-LincolnTrain.jpeg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/LincolnTrain.jpeg/330px-LincolnTrain.jpeg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/56/LincolnTrain.jpeg/440px-LincolnTrain.jpeg 2x" data-file-width="640" data-file-height="479" /></a><figcaption>Large spark-arresting chimney on an American locomotive</figcaption></figure> <p>Spark arresters for steam locomotives may be internal (in the form of wire mesh inside the <a href="/wiki/Smokebox" title="Smokebox">smokebox</a>) or external. The earliest platforms for spark arresters in the <a href="/wiki/United_States" title="United States">United States</a> were <a href="/wiki/Steam_locomotive" title="Steam locomotive">steam locomotives</a>. Wood- and coal-burning locomotives produce <a href="/wiki/Ember" title="Ember">embers</a> which are readily transported by the wind. One popular design was the Radley–Hunter spark arrester, which used a spiral-shaped cone to separate embers from the exhaust flow by <a href="/wiki/Centrifugal_force" title="Centrifugal force">centrifugal force</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>The problem of equipment-started fires continued into the 20th century. <a href="/wiki/University_of_California,_Berkeley" title="University of California, Berkeley">University of California, Berkeley</a> researchers J.P. Fairbank and Roy Bainer provided the first known academic research on the subject.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Their experiments demonstrated that hot particulate matter larger than 0.023 inches (0.584 mm) in diameter was capable of igniting wildland fuels. </p> <div class="mw-heading mw-heading4"><h4 id="Internal_combustion">Internal combustion</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=4" title="Edit section: Internal combustion"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In the 1950s, the <a href="/wiki/United_States_Forest_Service" title="United States Forest Service">United States Forest Service</a> became interested in reducing the number of fires started by logging equipment in the <a href="/wiki/National_Forest_System" class="mw-redirect" title="National Forest System">National Forest System</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> This interest led to a partnership with the <a href="/wiki/Society_of_Automotive_Engineers" class="mw-redirect" title="Society of Automotive Engineers">Society of Automotive Engineers</a> and the development of the following test standards for spark arresters: </p> <ul><li>SAE J335 – Multiposition Small Engine Exhaust System Fire Ignition Suppression</li> <li>SAE J342 – Spark Arrester Test Procedure for Large Size Engines</li> <li>SAE J350 – Spark Arrester Test Procedure for Medium Size Engines</li></ul> <p>Modern technologies have largely eliminated the production of large particulate matter from internal combustion engines. However, as engines wear, <a href="/wiki/Carbon" title="Carbon">carbon</a> deposits can build up on the internal walls of the engine. When these deposits break free, they exit through the exhaust system and present a potential fire hazard. Vehicles without properly functioning spark arresters have been suspected of starting numerous wildfires, including the devastating track fire near <a href="/wiki/Raton,_New_Mexico" title="Raton, New Mexico">Raton</a>, <a href="/wiki/New_Mexico" title="New Mexico">New Mexico</a> in June 2011.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>Today, spark arresters can be found as <a href="/wiki/OEM" class="mw-redirect" title="OEM">OEM</a> or <a href="/wiki/Aftermarket_(merchandise)" title="Aftermarket (merchandise)">aftermarket</a> components on many types of equipment, such as large agricultural machines, <a href="/wiki/Off_highway_vehicle" class="mw-redirect" title="Off highway vehicle">off highway vehicles</a> (OHVs), and small engines (<a href="/wiki/Chainsaws" class="mw-redirect" title="Chainsaws">chainsaws</a>, <a href="/wiki/Trimmer_(gardening)" class="mw-redirect" title="Trimmer (gardening)">string trimmers</a>, <a href="/wiki/Leaf_blower" title="Leaf blower">leaf blowers</a>, etc.). </p> <div class="mw-heading mw-heading3"><h3 id="Buildings">Buildings</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=5" title="Edit section: Buildings"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Spark arresters are also fitted to the top of a <a href="/wiki/Flue" title="Flue">flue</a> (or a <a href="/wiki/Chimney" title="Chimney">chimney pot</a>) to prevent floating embers from a fire (particularly one burning wood) setting light to a flammable roofing surface (shingle, thatch, or bitumen-felt) or falling onto combustible material on the ground. Such a spark arrester typically consists of a double layer of metal <a href="/wiki/Mesh" title="Mesh">mesh</a>, which catches the ember and allows the flue gas to escape. </p><p>Large <a href="/wiki/Power_station" title="Power station">power station</a> <a href="/wiki/Boiler" title="Boiler">boilers</a> are commonly fitted with <a href="/wiki/Electrostatic_precipitator" title="Electrostatic precipitator">electrostatic precipitators</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Electrical_equipment">Electrical equipment</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=6" title="Edit section: Electrical equipment"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Electric_arc" title="Electric arc">Electric arc</a></div> <div class="mw-heading mw-heading2"><h2 id="Types">Types</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=7" title="Edit section: Types"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Centrifugal">Centrifugal</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=8" title="Edit section: Centrifugal"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Centrifugal type spark arresters employ stationary vanes, baffles, or other devices to trap large particles by <a href="/wiki/Cyclonic_separation" title="Cyclonic separation">centrifugal force</a>. These spark arresters are typically found on heavy agricultural and construction equipment (<a href="/wiki/Tractor" title="Tractor">tractors</a>, <a href="/wiki/Combine_harvester" title="Combine harvester">combines</a>, <a href="/wiki/Bulldozer" title="Bulldozer">bulldozers</a>, etc.), but some have been developed for <a href="/wiki/Motorcycle" title="Motorcycle">motorcycles</a> and other all-terrain vehicles. </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Spark_arrester_screen_type.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Spark_arrester_screen_type.png/170px-Spark_arrester_screen_type.png" decoding="async" width="170" height="127" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Spark_arrester_screen_type.png/255px-Spark_arrester_screen_type.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Spark_arrester_screen_type.png/340px-Spark_arrester_screen_type.png 2x" data-file-width="616" data-file-height="459" /></a><figcaption>Screen type spark arrester</figcaption></figure> <div class="mw-heading mw-heading3"><h3 id="Screen">Screen</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=9" title="Edit section: Screen"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Screen type spark arresters use a physical <a href="/wiki/Mesh" title="Mesh">mesh</a> to prevent large particles from leaving the exhaust system. This is the simplest and most common type of spark arrester. Screen type devices are used on most motorcycles, ATVs, and small engines. </p> <div class="mw-heading mw-heading3"><h3 id="Electrostatic_precipitator">Electrostatic precipitator</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=10" title="Edit section: Electrostatic precipitator"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Electrostatic_precipitator" title="Electrostatic precipitator">Electrostatic precipitator</a></div> <div class="mw-heading mw-heading2"><h2 id="Regulatory_requirements">Regulatory requirements</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=11" title="Edit section: Regulatory requirements"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="United_States">United States</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=12" title="Edit section: United States"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Spark_arrester_sign_chainsaw.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Spark_arrester_sign_chainsaw.JPG/220px-Spark_arrester_sign_chainsaw.JPG" decoding="async" width="220" height="233" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Spark_arrester_sign_chainsaw.JPG/330px-Spark_arrester_sign_chainsaw.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Spark_arrester_sign_chainsaw.JPG/440px-Spark_arrester_sign_chainsaw.JPG 2x" data-file-width="2112" data-file-height="2233" /></a><figcaption>A United States Forest Service "Spark Arrester Required" sign posted in a woodcutting area</figcaption></figure> <p>Laws governing spark arrester use in the United States depend on the jurisdiction. Internal combustion engines operating on USDA Forest Service and most other federally managed lands must meet the requirements of the Code of Federal Regulations 36 CFR 261.52.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> This mandate requires the operator to have a certified and properly maintained spark arrester installed at all times. Many state and local land management agencies defer to the federal requirement. </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Modified_spark_arrester.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Modified_spark_arrester.jpg/220px-Modified_spark_arrester.jpg" decoding="async" width="220" height="155" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Modified_spark_arrester.jpg/330px-Modified_spark_arrester.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Modified_spark_arrester.jpg/440px-Modified_spark_arrester.jpg 2x" data-file-width="496" data-file-height="349" /></a><figcaption>An unapproved spark arrester installed on a motorcycle</figcaption></figure> <p>Exemptions exist for automobiles legally registered with their state's <a href="/wiki/Department_of_motor_vehicles" title="Department of motor vehicles">department of motor vehicles</a>. During periods of extreme fire danger, land managers may prevent the use of all motorized equipment, even if a properly functioning spark arrester is installed. Spark arrester inspections are performed by trained agency law enforcement or fire prevention personnel. They may occur on an individual basis, or as part of an inspection checkpoint during busy recreation weekends. Operators caught using unqualified or modified devices could be cited. Penalties for violating spark arrester laws depend on the issuing agency. If it is determined a noncompliant vehicle was responsible for starting a fire, the operator could be held liable in civil or even criminal court. </p><p>Certification testing of spark arresters is performed by the USDA Forest Service Technology and Development Center in <a href="/wiki/San_Dimas,_CA" class="mw-redirect" title="San Dimas, CA">San Dimas, CA</a>. The technical requirements are outlined in Forest Service Specification FS5100-1. All spark arresters meeting the requirements of 36 CFR 261.52 must be certified and listed in the USDA Forest Service Spark Arrester Guide. This guide is a comprehensive directory of all qualified products available in the United States, and is published biannually. The Spark Arrester Guide is used by field inspectors and consumers to verify product certification status. Manufacturers pursuing spark arrester qualification in the United States should consult the USDA Forest Service's "Manufacturer's Submission Procedure" for both general purpose<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> and small engine<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> spark arresters. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=13" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Spark_arrestor" class="extiw" title="commons:Category:Spark arrestor">Spark arrestor</a></span>.</div></div> </div> <ul><li><a href="/wiki/Cyclonic_separation" title="Cyclonic separation">Cyclonic separation</a></li> <li><a href="/wiki/Flame_arrester" title="Flame arrester">Flame arrester</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=14" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1041539562">.mw-parser-output .citation{word-wrap:break-word}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}</style><span class="citation patent" id="harv"><a rel="nofollow" class="external text" href="https://worldwide.espacenet.com/textdoc?DB=EPODOC&IDX=US7040">US patent 7040</a>, James Radley and John W. Hunter, "Spark Arrester", issued 1850-01-22</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Apatent&rft.number=7040&rft.cc=US&rft.title=Spark+Arrester&rft.inventor=James+Radley+and+John+W.+Hunter&rft.date=1850-01-22"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text">Fairbank, J.P. and Bainer, R. <i>Spark Arresters for Motorized Equipment</i>. Bulletin 577, University of California Agricultural Experiment Station (1934)</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text">USDA Forest Service Technology & Development Program <i>An Introduction to Spark Arresters - Spark Arresters and the Prevention of Wildland Fire</i> (2003) <a rel="nofollow" class="external autonumber" href="http://www.fs.fed.us/eng/pubs/html/03511304/03511304.htm">[1]</a></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFMestas2011" class="citation news cs1">Mestas, Anthony (19 June 2011). <a rel="nofollow" class="external text" href="http://www.chieftain.com/news/local/atv-ignited-track-fire/article_926b8938-9a2d-11e0-9db3-001cc4c002e0.html">"ATV ignited Track Fire"</a>. <i>The Pueblo Chieftain</i>. Pueblo, CO.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Pueblo+Chieftain&rft.atitle=ATV+ignited+Track+Fire&rft.date=2011-06-19&rft.aulast=Mestas&rft.aufirst=Anthony&rft_id=http%3A%2F%2Fwww.chieftain.com%2Fnews%2Flocal%2Fatv-ignited-track-fire%2Farticle_926b8938-9a2d-11e0-9db3-001cc4c002e0.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpark+arrestor" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://edocket.access.gpo.gov/cfr_2010/julqtr/pdf/36cfr261.52.pdf">United States Code of Federal Regulations 36 CFR 261.52</a></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text">USDA Forest Service Technology & Development Program <i>Manufacturer Submission Procedure for the Qualification Testing of General-purpose, Screen, and Locomotive Spark Arrester Exhaust Systems</i> (2005)<a rel="nofollow" class="external autonumber" href="http://fsweb.sdtdc.wo.fs.fed.us/programs/fire/spark/05511803hi.pdf">[2]</a></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text">USDA Forest Service Technology & Development Program <i>Manufacturer Submission Procedure for the Qualification of Multiposition Small Engine Spark Arrester Exhaust Systems</i> (2001)<a rel="nofollow" class="external autonumber" href="http://fsweb.sdtdc.wo.fs.fed.us/programs/fire/spark/MultiSmlEng.pdf">[3]</a></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Spark_arrestor&action=edit&section=15" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.fs.fed.us/eng/pubs/html/03511307/03511307.htm">Off-Highway Vehicle Spark Arresters Tech Tip (USDA Forest Service)</a></li> <li><a rel="nofollow" class="external text" href="http://www.fs.fed.us/eng/pubs/html/03511306/03511306.htm">General Purpose Spark Arresters Tech Tip (USDA Forest Service)</a></li> <li><a rel="nofollow" class="external text" href="http://www.parks.ca.gov/?page_id=23039">Spark Arrester Law - State of California</a></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Spark_arrestor&oldid=1186505442">https://en.wikipedia.org/w/index.php?title=Spark_arrestor&oldid=1186505442</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Category</a>: <ul><li><a href="/wiki/Category:Passive_fire_protection" title="Category:Passive fire protection">Passive fire protection</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_matches_Wikidata" title="Category:Short description matches Wikidata">Short description matches Wikidata</a></li><li><a href="/wiki/Category:Commons_category_link_from_Wikidata" title="Category:Commons category link from Wikidata">Commons category link from Wikidata</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 23 November 2023, at 16:31<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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