{"id":102426,"date":"2026-08-31T18:31:10","date_gmt":"2026-08-31T18:31:10","guid":{"rendered":"https:\/\/discover.restek.com\/?p=102426"},"modified":"2026-10-20T00:13:22","modified_gmt":"2026-10-20T00:13:22","slug":"webinar-from-constraint-to-opportunity-optimizing-gc-methods-postmethylene-chloride-ban-video","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/ja\/webinars\/gnav5810\/webinar-from-constraint-to-opportunity-optimizing-gc-methods-postmethylene-chloride-ban-video","title":{"rendered":"Webinar: From Constraint to Opportunity: Optimizing GC Methods Post\u2013Methylene Chloride Ban"},"content":{"rendered":"<style>.kb-row-layout-id102426_bd82d4-8b > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id102426_bd82d4-8b > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id102426_bd82d4-8b > .kt-row-column-wrap{column-gap:var(--global-kb-gap-lg, 4rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id102426_bd82d4-8b > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id102426_bd82d4-8b > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id102426_bd82d4-8b > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id102426_bd82d4-8b alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column102426_6218dd-e7 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column102426_6218dd-e7 > .kt-inside-inner-col{flex-direction:column;}.kadence-column102426_6218dd-e7 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column102426_6218dd-e7 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column102426_6218dd-e7{position:relative;}@media all and (max-width: 1024px){.kadence-column102426_6218dd-e7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column102426_6218dd-e7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column102426_6218dd-e7\"><div class=\"kt-inside-inner-col\">\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"From Constraint to Opportunity: Optimizing GC Methods Post\u2013Methylene Chloride Ban\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/tYOFqQLdnWM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div><\/div>\n\n\n<style>.kadence-column102426_5016e5-9b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column102426_5016e5-9b > .kt-inside-inner-col{flex-direction:column;}.kadence-column102426_5016e5-9b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column102426_5016e5-9b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column102426_5016e5-9b{position:relative;}@media all and (max-width: 1024px){.kadence-column102426_5016e5-9b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column102426_5016e5-9b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column102426_5016e5-9b\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-medium-font-size wp-block-paragraph\">The recent ban on methylene chloride has introduced significant challenges for EPA methods, particularly semivolatile analyses that rely on it as a primary extraction solvent. Mitigation strategies, such as reduced-volume extraction or alternative solvents, often introduce efficiency losses that must be compensated for elsewhere in the workflow. This webinar highlights how innovative GC column technology, paired with high-quality reference standards and optimized GC-MS\/MS methods, can restore and exceed required sensitivity. Additionally, approaches for high-throughput, fast analysis will be discussed to help laboratories maintain performance and productivity under evolving regulatory constraints.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.kadence-column102426_a9b081-f5 > .kt-inside-inner-col{padding-top:15px;padding-right:15px;padding-bottom:15px;padding-left:15px;}.kadence-column102426_a9b081-f5 > .kt-inside-inner-col{border-top:0px solid rgba(163,207,250,0.3);border-right:0px solid rgba(163,207,250,0.3);border-bottom:0px solid rgba(163,207,250,0.3);border-left:0px solid rgba(163,207,250,0.3);}.kadence-column102426_a9b081-f5 > .kt-inside-inner-col,.kadence-column102426_a9b081-f5 > .kt-inside-inner-col:before{border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-right-radius:10px;border-bottom-left-radius:10px;}.kadence-column102426_a9b081-f5 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column102426_a9b081-f5 > .kt-inside-inner-col{flex-direction:column;}.kadence-column102426_a9b081-f5 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column102426_a9b081-f5 > .kt-inside-inner-col{background-image:linear-gradient(90deg,rgba(163,207,250,0.2) 0%,rgb(255,255,255) 98%);}.kadence-column102426_a9b081-f5 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column102426_a9b081-f5{position:relative;}@media all and (max-width: 1024px){.kadence-column102426_a9b081-f5 > .kt-inside-inner-col{border-top:0px solid rgba(163,207,250,0.3);border-right:0px solid rgba(163,207,250,0.3);border-bottom:0px solid rgba(163,207,250,0.3);border-left:0px solid rgba(163,207,250,0.3);flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column102426_a9b081-f5 > .kt-inside-inner-col{border-top:0px solid rgba(163,207,250,0.3);border-right:0px solid rgba(163,207,250,0.3);border-bottom:0px solid rgba(163,207,250,0.3);border-left:0px solid rgba(163,207,250,0.3);flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column102426_a9b081-f5\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading102426_78b747-25, .wp-block-kadence-advancedheading.kt-adv-heading102426_78b747-25[data-kb-block=\"kb-adv-heading102426_78b747-25\"]{margin-bottom:10px;font-size:30px;font-weight:600;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading102426_78b747-25, .wp-block-kadence-advancedheading.kt-adv-heading102426_78b747-25[data-kb-block=\"kb-adv-heading102426_78b747-25\"] .kb-adv-text-inner{background-image:linear-gradient(135deg,var(--global-palette2) 0%,var(--global-palette1) 100%);background-clip:text;-webkit-box-decoration-break:clone;box-decoration-break:clone;-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.wp-block-kadence-advancedheading.kt-adv-heading102426_78b747-25 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading102426_78b747-25[data-kb-block=\"kb-adv-heading102426_78b747-25\"] mark.kt-highlight{font-style:normal;-webkit-text-fill-color:initial !important;-webkit-background-clip:initial !important;background-clip:initial !important;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-heading102426_78b747-25 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading102426_78b747-25[data-kb-block=\"kb-adv-heading102426_78b747-25\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style><h3 class=\"kt-adv-heading102426_78b747-25 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading102426_78b747-25\"><span class=\"kb-adv-text-inner\">What You Will Learn<\/span><\/h3>\n\n\n<ul style=\"margin-bottom:5px\" class=\"wp-block-list\">\n<li>Learn about the impact of the methylene chloride ban on EPA 8270 semivolatile methods.<\/li>\n\n\n\n<li>Learn about alternative extraction strategies and mitigations to achieve sensitivity.<\/li>\n\n\n\n<li>Learn about GC column and GC-MS\/MS optimizations to maintain or improve sensitivity and throughput.<\/li>\n\n\n\n<li style=\"margin-bottom:0px\">Learn about how high-quality reference standards are critical for accurate and effective semivolatile analysis.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.kadence-column102426_a2a329-d4 > .kt-inside-inner-col{padding-top:15px;padding-right:15px;padding-bottom:15px;padding-left:15px;}.kadence-column102426_a2a329-d4 > .kt-inside-inner-col{border-top:0px solid rgba(127,134,143,0.3);border-right:0px solid rgba(127,134,143,0.3);border-bottom:0px solid rgba(127,134,143,0.3);border-left:0px solid rgba(127,134,143,0.3);}.kadence-column102426_a2a329-d4 > .kt-inside-inner-col,.kadence-column102426_a2a329-d4 > .kt-inside-inner-col:before{border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-right-radius:10px;border-bottom-left-radius:10px;}.kadence-column102426_a2a329-d4 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column102426_a2a329-d4 > .kt-inside-inner-col{flex-direction:column;}.kadence-column102426_a2a329-d4 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column102426_a2a329-d4 > .kt-inside-inner-col{background-image:linear-gradient(90deg,rgb(246,246,246) 0%,var(--global-palette9) 100%);}.kadence-column102426_a2a329-d4 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column102426_a2a329-d4{position:relative;}@media all and (max-width: 1024px){.kadence-column102426_a2a329-d4 > .kt-inside-inner-col{border-top:0px solid rgba(127,134,143,0.3);border-right:0px solid rgba(127,134,143,0.3);border-bottom:0px solid rgba(127,134,143,0.3);border-left:0px solid rgba(127,134,143,0.3);flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column102426_a2a329-d4 > .kt-inside-inner-col{border-top:0px solid rgba(127,134,143,0.3);border-right:0px solid rgba(127,134,143,0.3);border-bottom:0px solid rgba(127,134,143,0.3);border-left:0px solid rgba(127,134,143,0.3);flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column102426_a2a329-d4\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading102426_13e839-ca, .wp-block-kadence-advancedheading.kt-adv-heading102426_13e839-ca[data-kb-block=\"kb-adv-heading102426_13e839-ca\"]{margin-bottom:10px;font-size:30px;font-weight:600;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading102426_13e839-ca, .wp-block-kadence-advancedheading.kt-adv-heading102426_13e839-ca[data-kb-block=\"kb-adv-heading102426_13e839-ca\"] .kb-adv-text-inner{background-image:linear-gradient(135deg,var(--global-palette2) 0%,var(--global-palette1) 100%);background-clip:text;-webkit-box-decoration-break:clone;box-decoration-break:clone;-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.wp-block-kadence-advancedheading.kt-adv-heading102426_13e839-ca mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading102426_13e839-ca[data-kb-block=\"kb-adv-heading102426_13e839-ca\"] mark.kt-highlight{font-style:normal;-webkit-text-fill-color:initial !important;-webkit-background-clip:initial !important;background-clip:initial !important;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-heading102426_13e839-ca img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading102426_13e839-ca[data-kb-block=\"kb-adv-heading102426_13e839-ca\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style><h3 class=\"kt-adv-heading102426_13e839-ca wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading102426_13e839-ca\"><span class=\"kb-adv-text-inner\">Restek Recommended Tools &amp; Parts<\/span><\/h3>\n\n\n<ul style=\"margin-bottom:5px\" class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.restek.com\/c\/rmx\" target=\"_blank\" rel=\"noopener\">RMX GC Columns<\/a><\/strong><\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<style data-wp-block-html=\"css\">\n.single-post .author-down {\n    display: none;\n}\n\n.author-details-info {\n  display: none;\n}\n<\/style>\n","protected":false},"excerpt":{"rendered":"<p>The recent ban on methylene chloride has introduced significant challenges for EPA methods, particularly semivolatile analyses that rely on it as a primary extraction solvent. Mitigation strategies, such as reduced-volume extraction or alternative solvents, often introduce efficiency losses that must be compensated for elsewhere in the workflow. This webinar highlights how innovative GC column technology,&#8230;<\/p>\n","protected":false},"author":83,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":"","_ppma_block_editor_authors":"{\"authors\":[2838],\"author_categories\":{\"2838\":\"1\"},\"fallback_author_user\":\"1\",\"ppma_author_box_select\":\"\",\"selected_authors\":[{\"id\":2838,\"display_name\":\"Gated Content Success\",\"is_guest\":1,\"category_id\":\"1\"}]}"},"categories":[2804],"tags":[],"industries-application":[],"post-badge":[],"resource-type":[],"product-library":[],"resource-technique":[],"ppma_author":[2838],"class_list":["post-102426","post","type-post","status-publish","format-standard","hentry","category-webinars"],"acf":[],"taxonomy_info":{"category":[{"value":2804,"label":"Webinars"}]},"featured_image_src_large":false,"author_info":{"display_name":"Tech Writers","author_link":"https:\/\/discover.restek.com\/ja\/author\/tech-writers\/"},"comment_info":0,"category_info":[{"term_id":2804,"name":"Webinars","slug":"webinars","term_group":0,"term_taxonomy_id":2804,"taxonomy":"category","description":"","parent":0,"count":14,"filter":"raw","cat_ID":2804,"category_count":14,"category_description":"","cat_name":"Webinars","category_nicename":"webinars","category_parent":0}],"tag_info":false,"authors":[{"term_id":2838,"user_id":0,"is_guest":1,"slug":"gated-content-success","display_name":"Gated Content Success","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g","author_category":"","first_name":"","last_name":"","user_url":"","job_title":"","description":""}],"_links":{"self":[{"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/posts\/102426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/users\/83"}],"replies":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/comments?post=102426"}],"version-history":[{"count":5,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/posts\/102426\/revisions"}],"predecessor-version":[{"id":105035,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/posts\/102426\/revisions\/105035"}],"wp:attachment":[{"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/media?parent=102426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/categories?post=102426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/tags?post=102426"},{"taxonomy":"industries-application","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/industries-application?post=102426"},{"taxonomy":"post-badge","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/post-badge?post=102426"},{"taxonomy":"resource-type","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/resource-type?post=102426"},{"taxonomy":"product-library","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/product-library?post=102426"},{"taxonomy":"resource-technique","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/resource-technique?post=102426"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/discover.restek.com\/ja\/wp-json\/wp\/v2\/ppma_author?post=102426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}