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Includes a table indicating approval status for laboratory test categories (wood stoves, forced-air furnaces, and hydronic heaters) and corresponding third-party certifier approvals, along with EPA approval expiration dates. Provides accreditation notes referencing ISO/IEC 17025 for labs and ISO/IEC 17020/17065 for third-party certification, then details contact information for each approved organization.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/epa-approved-test-labs-and-third-party-certifying-entities-for-2015-residential-wood-heaters-nsps/505647/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/epa-approved-test-labs-and-third-party-certifying-entities-for-2015-residential-wood-heaters-nsps/505647.png","ImageObject",300,407,{"name":92,"@type":93},"jay","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-07","2026-10-04",true,{"@type":102,"interactionType":103,"userInteractionCount":34},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"Which entities are listed as EPA-approved for laboratory testing of residential wood heaters?","Question",{"text":112,"@type":113},"The document lists multiple EPA-approved test laboratories, including PFS-TECO, Intertek, OMNI, Research Institutes of Sweden (RISE), ClearStak, SZU, and Danish Technological Institute, among others, with approval status by heater type.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What standards are cited for laboratory testing and third-party certification?",{"text":117,"@type":113},"EPA-approved test labs are described as accredited under ISO/IEC 17025 for laboratory testing and laboratory quality management system operation. Third-party certifiers are described as accredited under ISO/IEC 17020 and ISO/IEC 17065 for third-party product certification.",{"name":119,"@type":110,"acceptedAnswer":120},"How does the document indicate when EPA approval expires?",{"text":121,"@type":113},"A table provides an “Expiration Date of EPA Approval” column, listing expiration dates for each approved laboratory or certifying entity.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},505647,1791461180,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":34,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":39,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":46,"preview_page_count":4},3985747858866,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","EPA-approved Test Labs and Third-party Certifying Entities for 2015 Residential Wood Heaters NSPS  \n\n| Name | EPA-approved Test Lab 1 |  |  | EPA-approved Third-Party Certifier2 |  |  | Expiration Date of EPA Approval |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n|  | Wood Stove | Forced-Air Furnace | Hydronic Heater | Wood Stove | Forced-Air Furnace | Hydronic Heater |  |\n| PFS-TECO (formerly Dirigo Laboratories) | Yes | Yes | Yes | Yes | Yes | Yes | 02/05/2023 |\n| Intertek | Yes | Yes | Yes | Yes | Yes | Yes | 10/30/2020 |\n| OMNI | Yes | Yes | Yes | Yes | Yes | Yes | 10/08/2020 |\n| Polytests Inc. | Yes | Yes | Yes | No | No | No | 10/30/2020 |\n| PFS Corp. | No | No | No | Yes | Yes | Yes | 11/04/2020 |\n| CSA Group | No | No | No | Yes | Yes | Yes | 11/03/2020 |\n| UL, LLC | No | No | No | Yes | Yes | Yes | 11/12/2020 |\n| Research Institutes of Sweden (RISE) | Yes | Yes | Yes | Yes | Yes | Yes | 11/14/2022 |\n| ClearStak, LLC | Yes | Yes | Yes | No | No | No | 11/07/2021 |\n| SZU | Yes | Yes | Yes | Yes | Yes | Yes | 04/17/2022 |\n| Danish Technological Institute | Yes | Yes | Yes | No | No | No | 11/22/2022 |\n\nEPA-approved Residential Wood Heater Testing Laboratories  \n1 EPA has approved these entities to conduct laboratory testing of residential wood heater models. These entities are accredited under ISO/IEC 17025 as a test laboratory and for the operation of a laboratory quality management system.  \n2 EPA has approved these entities to conduct third-party certification of laboratory testing of residential wood heater models. These entities are accredited under ISO/IEC 17020 and ISO/IEC 17065 for third-party product certification.  \n1. OMNI-Test Laboratories, Inc.  \nContact: Alex Tiegs  \nAddress: 13327 NE Airport Way Portland, Oregon 97230  \nEmail: [atiegs@omni-test.com](atiegs@omni-test.com)  \n[Office:](Office:) (503) 643-3788  \nWebsite: [http://www.omni-test.com/](http://www.omni-test.com/)  \n2. Intertek Testing Services NA LTD. (formerly Warnock Hersey)  \nContact \\#1: Brian Brunson Address: 8431 Murphy Drive Middleton, Wisconsin 53562  \nEmail: [brian.brunson@intertek.com](brian.brunson@intertek.com)  \n[Office: 608-824-7444](Office: 608-824-7444)  \n[Cell: 608-320-3036](Cell: 608-320-3036)  \nContact \\#2: Brian Ziegler  \nEmail: [brian.ziegler@intertek.com](brian.ziegler@intertek.com)  \nWebsite: [http://www.intertek.com/](http://www.intertek.com/)  \nContact \\#3 : Claude Pelland Address: 1829 32nd Avenue Lachine, Quebec H8T-3J1  \nEmail: [claude.pelland@intertek.com](claude.pelland@intertek.com)  \n[Office:](Office:) (514) 631-3100  \nWebsite: [http://www.intertek.com/](http://www.intertek.com/)  \n[Contact \\#4: Bruce Davis](Contact #4: Bruce Davis)[ ](Contact #4: Bruce Davis)22887 NE Townsend Way Fairview, Oregon 97024 Office: (503)-676-2311  \nWebsite: [http://www.intertek.com/](http://www.intertek.com/)  \n3. PFS-TECO (Formerly Dirigo Laboratories, Inc.) Contact: John Steinert  \n11785 SW Highway 212-Suite 305 Clackamas, Oregon 97015-9050 Office: (503)-650-0088  \nEmail: [j](john.steinert@pfsteco.com)[ohn.steinert@pfsteco.com](john.steinert@pfsteco.com)  \nWebsite: [http://www.pfsteco.com/testing](http://www.pfsteco.com/testing)  \n4. Polytest Services, Inc.  \nContact: Danick Powers, VP operations  \n695 B Rue Gaudette  \nSt-Jean-sur-Richelieu Quebec, Canada J3B 7S7  \n(450)-741-3636  \nEmail: [dpower@polytests.com](dpower@polytests.com)  \nWebsite: [http://www.polytests.com/](http://www.polytests.com/)  \n5. PFS Corporation  \nContact: Wayne Terpstra, Director of Quality and Hearth Products  \nAddress: 1507 Matt Pass  \nCottage Grove WI 53527 [Email: WTerpstra@PFSCorporation.com](Email: WTerpstra@PFSCorporation.com)  \nCell: (319) 217-0969  \n6. CSA Group  \nContact: Benjamin Barker Manager, Accreditations  \nAddress: 178 Rexdale Blvd, Toronto, ON M9W 1R3, Canada  \nEmail: [Benjamin.Barker@csagroup.org](Benjamin.Barker@csagroup.org)  \nOffice: (416) 747-4013  \nCell: (647) 627-7689  \n[Website:](Website: www.csagroup.org)[ www.csagroup.org](Websi","cbCaidM6ik9oNMHx","https://ap.wps.com/l/cbCaidM6ik9oNMHx","pdf",113895,"English","# EPA-approved Test Labs and Third-party Certifying Entities for 2015 Residential Wood Heaters NSPS\n## Approved laboratory testing and third-party certification (wood stoves, forced-air furnaces, hydronic heaters)\n## Accredited standards and approval scope\n## Approved entities and contact information","[{\"question\":\"Which entities are listed as EPA-approved for laboratory testing of residential wood heaters?\",\"answer\":\"The document lists multiple EPA-approved test laboratories, including PFS-TECO, Intertek, OMNI, Research Institutes of Sweden (RISE), ClearStak, SZU, and Danish Technological Institute, among others, with approval status by heater type.\"},{\"question\":\"What standards are cited for laboratory testing and third-party certification?\",\"answer\":\"EPA-approved test labs are described as accredited under ISO/IEC 17025 for laboratory testing and laboratory quality management system operation. Third-party certifiers are described as accredited under ISO/IEC 17020 and ISO/IEC 17065 for third-party product certification.\"},{\"question\":\"How does the document indicate when EPA approval expires?\",\"answer\":\"A table provides an “Expiration Date of EPA Approval” column, listing expiration dates for each approved laboratory or certifying entity.\"}]","EPA-approved Test Labs and Third-party Certifying Entities for 2015 Residential Wood Heaters NSPS | PDF",1791152404]