{"id":43469,"date":"2025-10-03T21:14:11","date_gmt":"2025-10-03T21:14:11","guid":{"rendered":"https:\/\/discover.restek.com\/uncategorized\/vfc-analysis-by-us-epa-method-otm-50-for-emissions\/"},"modified":"2026-04-14T17:39:42","modified_gmt":"2026-04-14T17:39:42","slug":"vfc-analysis-by-us-epa-method-otm-50-for-emissions","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/de\/artikel\/evar4331\/vfc-analysis-by-us-epa-method-otm-50-for-emissions","title":{"rendered":"VFC Analysis by U.S. EPA Method OTM-50 for Emissions"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li><strong>Sample Matrix:<\/strong> emissions from stationary sources<\/li>\n\n\n\n<li><strong>Sample Preparation: <\/strong>collection in passivated stainless-steel canisters<\/li>\n\n\n\n<li><strong>Detection Technique: <\/strong>GC-MS<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Other Test Method 50 (OTM-50): Sampling and Analysis of Volatile Fluorinated Compounds from Stationary Sources Using Passivated Stainless-Steel Canisters<\/h2>\n\n\n\n<p>U.S. EPA Method OTM-50 is a performance-based draft method that can be used for the analysis of 30 volatile fluorinated compounds (VFC) in air emissions from stationary sources. It includes multiple short-chain VFC, which may be monitored as indicators of incomplete PFAS decomposition. Emission samples are collected in passivated stainless-steel canisters and then analyzed by GC-MS using a PLOT column. Draft Method OTM-50 was released to encourage a consistent process for facilities, stationary source test teams, research laboratories, and other stakeholders and to promote discussion and further evaluation of the method. The full analyte list and recommended products for collecting volatile fluorinated compounds in emissions for analysis by Method OTM-50 are provided below.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.epa.gov\/system\/files\/documents\/2025-01\/otm-50-release-1-r1.pdf\" style=\"background-color:#015e9a;padding-right:50px;padding-left:50px\" target=\"_blank\" rel=\"noopener\">Access Method<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Analyte List for EPA Method OTM-50 for Volatile Fluorinated Compounds in Emissions<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Compound Name<\/strong><\/td><td><strong>CAS#<\/strong><\/td><\/tr><tr><td>Carbon tetrafluoride<\/td><td>75-73-0<\/td><\/tr><tr><td>Hexafluoroethane (FC-116)<\/td><td>76-16-4<\/td><\/tr><tr><td>Tetrafluoroethene<\/td><td>116-14-3<\/td><\/tr><tr><td>Trifluoromethane (HFC-23)<\/td><td>75-46-7<\/td><\/tr><tr><td>Octafluoropropane<\/td><td>76-19-7<\/td><\/tr><tr><td>Difluoromethane (HFC-32)<\/td><td>75-10-5<\/td><\/tr><tr><td>Fluoromethane (HFC-41)<\/td><td>593-53-3<\/td><\/tr><tr><td>Pentafluoroethane (HFC-125)<\/td><td>354-33-6<\/td><\/tr><tr><td>Hexafluoropropene<\/td><td>116-15-4<\/td><\/tr><tr><td>Hexafluoropropene oxide (HFPO)<\/td><td>428-59-1<\/td><\/tr><tr><td>Decafluorobutane<\/td><td>355-25-9<\/td><\/tr><tr><td>Dodecafluoropentane<\/td><td>678-26-2<\/td><\/tr><tr><td>Tetradecafluorohexane<\/td><td>355-42-0<\/td><\/tr><tr><td>1<em>H<\/em>-Perfluoropentane<\/td><td>375-61-1<\/td><\/tr><tr><td>Hexadecafluoroheptane<\/td><td>335-57-9<\/td><\/tr><tr><td>Heptafluoropropyl-1,2,2,2-tetrafluoroethyl ether (E1)<\/td><td>3330-15-2<\/td><\/tr><tr><td>1<em>H<\/em>-Perfluorohexane<\/td><td>355-37-3<\/td><\/tr><tr><td>1<em>H<\/em>-Perfluoroheptane<\/td><td>375-83-7<\/td><\/tr><tr><td>2<em>H<\/em>-Perfluoro-5-methyl-3,6-dioxanonane (E2)<\/td><td>3330-14-1<\/td><\/tr><tr><td>1<em>H<\/em>-Perfluorooctane<\/td><td>335-65-9<\/td><\/tr><tr><td>Octadecafluorooctane<\/td><td>307-34-6<\/td><\/tr><tr><td>1<em>H<\/em>-Nonafluorobutane<\/td><td>375-17-7<\/td><\/tr><tr><td>1<em>H<\/em>-Heptafluoropropane<\/td><td>2252-84-8<\/td><\/tr><tr><td>1,1,1,2-Tetrafluoroethane (HFC-134a)<\/td><td>811-97-2<\/td><\/tr><tr><td>1,1,1-Trifluoroethane (HFC-143a)<\/td><td>420-46-2<\/td><\/tr><tr><td>Chlorodifluoromethane (HCFC-22)<\/td><td>75-45-6<\/td><\/tr><tr><td>Chlorotrifluoromethane (CFC-13)<\/td><td>75-72-9<\/td><\/tr><tr><td>Octafluorocyclobutane (FC-C318)<\/td><td>115-25-3<\/td><\/tr><tr><td>Octafluorocyclopentene (FC-C1418)<\/td><td>559-40-0<\/td><\/tr><tr><td>Trichloromonofluoromethane (CFC-11)<\/td><td>75-69-4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Products for EPA Method OTM-50 for Volatile Fluorinated Compounds in Emissions<\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div class=\"cpb\">\n            <h3 class=\"cpb-heading\">Sample Collection<\/h3>\n            <hr class=\"cpb-heading-underline\" \/>\n            <div class=\"cpb-list\">\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/27309\">                                Catalog No. 27309                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div 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class=\"cpb-title\">SilcoCan-Luftprobenahmebeh\u00e4lter, 6 L, ohne Ventil<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/22092\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/27319\">                                Catalog No. 27319                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">TO-Can Luftprobenahmebeh\u00e4lter, 6 L, mit 3-Wege-RAVE+ Ventil mit Manometer<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/27319\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/27318\">                                Catalog No. 27318                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">TO-Can-Luftprobenahmebeh\u00e4lter, 6 L, mit 2-Wege-RAVE+ Ventil<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/27318\">Produkt anzeigen<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/de.restek.com\/p\/22096\">                                Catalog No. 22096                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">TO-Can Luftprobenahmebeh\u00e4lter, 6 L, ohne Ventil<\/div>\n                  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.wp-block-kadence-advancedheading.kt-adv-heading43469_03cbbc-21[data-kb-block=\"kb-adv-heading43469_03cbbc-21\"]{text-align:center;font-size:48px;line-height:54px;font-weight:400;font-style:normal;font-family:Inter;text-transform:none;}.wp-block-kadence-advancedheading.kt-adv-heading43469_03cbbc-21 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading43469_03cbbc-21[data-kb-block=\"kb-adv-heading43469_03cbbc-21\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading43469_03cbbc-21 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading43469_03cbbc-21[data-kb-block=\"kb-adv-heading43469_03cbbc-21\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading43469_03cbbc-21, .wp-block-kadence-advancedheading.kt-adv-heading43469_03cbbc-21[data-kb-block=\"kb-adv-heading43469_03cbbc-21\"]{font-size:36px;}}<\/style>\n<h2 class=\"kt-adv-heading43469_03cbbc-21 wp-block-kadence-advancedheading has-theme-palette-9-color has-text-color\" data-kb-block=\"kb-adv-heading43469_03cbbc-21\">Start Saving <br>Time Today<\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading43469_a86b43-5d, .wp-block-kadence-advancedheading.kt-adv-heading43469_a86b43-5d[data-kb-block=\"kb-adv-heading43469_a86b43-5d\"]{text-align:center;font-size:20px;font-weight:400;font-style:normal;font-family:'Open Sans';color:#dee2e6;}.wp-block-kadence-advancedheading.kt-adv-heading43469_a86b43-5d mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading43469_a86b43-5d[data-kb-block=\"kb-adv-heading43469_a86b43-5d\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading43469_a86b43-5d img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading43469_a86b43-5d[data-kb-block=\"kb-adv-heading43469_a86b43-5d\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading43469_a86b43-5d, .wp-block-kadence-advancedheading.kt-adv-heading43469_a86b43-5d[data-kb-block=\"kb-adv-heading43469_a86b43-5d\"]{font-size:16px;}}<\/style>\n<p class=\"kt-adv-heading43469_a86b43-5d wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading43469_a86b43-5d\">Develop PFAS Methods in Minutes with our Pro&nbsp;<em>EZ<\/em>LC Chromatogram Modeler<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns43469_19f7c9-46{gap:var(--global-kb-gap-xs, 0.5rem 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class=\"wp-block-kadence-column kadence-column43469_95b1d1-ed kvs-lg-false kvs-md-false hub-guttered-centered-container\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading43469_83b84e-98, .wp-block-kadence-advancedheading.kt-adv-heading43469_83b84e-98[data-kb-block=\"kb-adv-heading43469_83b84e-98\"]{text-align:center;font-size:48px;line-height:54px;font-weight:400;font-style:normal;font-family:Inter;text-transform:none;}.wp-block-kadence-advancedheading.kt-adv-heading43469_83b84e-98 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading43469_83b84e-98[data-kb-block=\"kb-adv-heading43469_83b84e-98\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading43469_83b84e-98 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading43469_83b84e-98[data-kb-block=\"kb-adv-heading43469_83b84e-98\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading43469_83b84e-98, .wp-block-kadence-advancedheading.kt-adv-heading43469_83b84e-98[data-kb-block=\"kb-adv-heading43469_83b84e-98\"]{font-size:36px;}}<\/style>\n<h2 class=\"kt-adv-heading43469_83b84e-98 wp-block-kadence-advancedheading has-theme-palette-9-color has-text-color\" data-kb-block=\"kb-adv-heading43469_83b84e-98\">Start Saving Time Today<\/h2>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading43469_c30feb-a3, .wp-block-kadence-advancedheading.kt-adv-heading43469_c30feb-a3[data-kb-block=\"kb-adv-heading43469_c30feb-a3\"]{text-align:center;font-size:20px;font-weight:400;font-style:normal;font-family:'Open Sans';color:#dee2e6;}.wp-block-kadence-advancedheading.kt-adv-heading43469_c30feb-a3 mark.kt-highlight, 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Modeler<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns43469_ff092d-4b{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns43469_ff092d-4b .kt-button{font-weight:normal;font-style:normal;}.kt-btns43469_ff092d-4b .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns43469_ff092d-4b .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns43469_ff092d-4b .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns43469_ff092d-4b .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns43469_ff092d-4b .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns43469_ff092d-4b .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns43469_ff092d-4b .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap 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.kb-btn43469_72c9a0-59.kb-button{border-top:1px solid #015e9a;border-right:1px solid #015e9a;border-bottom:1px solid #015e9a;border-left:1px solid #015e9a;}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn43469_72c9a0-59.kb-button{border-top:1px solid #015e9a;border-right:1px solid #015e9a;border-bottom:1px solid #015e9a;border-left:1px solid #015e9a;}}<\/style><a class=\"kb-button kt-button button kb-btn43469_72c9a0-59 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-outline  kt-btn-has-text-true kt-btn-has-svg-true  wp-block-kadence-singlebtn\" href=\"https:\/\/ez.restek.com\/proezlc\" target=\"_blank\" rel=\"noopener\"><span class=\"kt-btn-inner-text\">www.restek.com\/ezlc<\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  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