{"id":97144,"date":"2026-06-19T13:50:55","date_gmt":"2026-06-19T13:50:55","guid":{"rendered":"https:\/\/discover.restek.com\/?p=97144"},"modified":"2026-09-29T12:14:22","modified_gmt":"2026-09-29T12:14:22","slug":"webinar-from-constraint-to-opportunity-optimizing-gc-methods-post-methylene-chloride-ban","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/fr\/webinars\/gnav5746\/webinar-from-constraint-to-opportunity-optimizing-gc-methods-post-methylene-chloride-ban","title":{"rendered":"Webinar: From Constraint to Opportunity: Optimizing GC Methods Post\u2013Methylene Chloride Ban"},"content":{"rendered":"<style>.kb-row-layout-id97144_31e133-b5 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id97144_31e133-b5 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id97144_31e133-b5 > .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, calc(60% - ((var(--global-kb-gap-lg, 4rem) * 1 )\/2)))minmax(0, calc(40% - ((var(--global-kb-gap-lg, 4rem) * 1 )\/2)));}.kb-row-layout-id97144_31e133-b5 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id97144_31e133-b5 > .kt-row-column-wrap{grid-template-columns:minmax(0, 2fr) minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id97144_31e133-b5 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id97144_31e133-b5 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-left-golden kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column97144_b5c8b7-28 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column97144_b5c8b7-28 > .kt-inside-inner-col{flex-direction:column;}.kadence-column97144_b5c8b7-28 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column97144_b5c8b7-28 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column97144_b5c8b7-28{position:relative;}@media all and (max-width: 1024px){.kadence-column97144_b5c8b7-28 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column97144_b5c8b7-28 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column97144_b5c8b7-28\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading97144_6c82ef-65, .wp-block-kadence-advancedheading.kt-adv-heading97144_6c82ef-65[data-kb-block=\"kb-adv-heading97144_6c82ef-65\"]{font-size:36px;font-weight:600;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading97144_6c82ef-65, .wp-block-kadence-advancedheading.kt-adv-heading97144_6c82ef-65[data-kb-block=\"kb-adv-heading97144_6c82ef-65\"] .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-heading97144_6c82ef-65 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading97144_6c82ef-65[data-kb-block=\"kb-adv-heading97144_6c82ef-65\"] 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-heading97144_6c82ef-65 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading97144_6c82ef-65[data-kb-block=\"kb-adv-heading97144_6c82ef-65\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style><h2 class=\"kt-adv-heading97144_6c82ef-65 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading97144_6c82ef-65\"><span class=\"kb-adv-text-inner\">Free, On-Demand Access<\/span><\/h2>\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading97144_0c793e-9f, .wp-block-kadence-advancedheading.kt-adv-heading97144_0c793e-9f[data-kb-block=\"kb-adv-heading97144_0c793e-9f\"]{padding-top:5px;padding-bottom:5px;padding-left:0px;margin-top:0px;margin-bottom:0px;font-size:var(--global-kb-font-size-md, 1.25rem);font-weight:400;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading97144_0c793e-9f mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading97144_0c793e-9f[data-kb-block=\"kb-adv-heading97144_0c793e-9f\"] 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-heading97144_0c793e-9f img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading97144_0c793e-9f[data-kb-block=\"kb-adv-heading97144_0c793e-9f\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading97144_0c793e-9f wp-block-kadence-advancedheading has-theme-palette-2-color has-text-color\" data-kb-block=\"kb-adv-heading97144_0c793e-9f\"><em>In partnership with <strong>Shimadzu Corporation<\/strong><\/em><\/p>\n\n\n\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<style>.kb-row-layout-wrap.wp-block-kadence-rowlayout.kb-row-layout-id97144_b6ccae-5e{margin-top:0px;margin-bottom:0px;}.kb-row-layout-id97144_b6ccae-5e > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id97144_b6ccae-5e > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id97144_b6ccae-5e > .kt-row-column-wrap{column-gap:1px;row-gap:1px;padding-top:1px;padding-right:1px;padding-bottom:1px;padding-left:1px;}.kb-row-layout-id97144_b6ccae-5e > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}.kb-row-layout-id97144_b6ccae-5e > .kt-row-column-wrap{grid-template-columns:repeat(3, minmax(0, 1fr));}.kb-row-layout-id97144_b6ccae-5e{border-top-left-radius:11px;border-top-right-radius:11px;border-bottom-right-radius:11px;border-bottom-left-radius:11px;overflow:clip;isolation:isolate;}.kb-row-layout-id97144_b6ccae-5e > .kt-row-layout-overlay{border-top-left-radius:11px;border-top-right-radius:11px;border-bottom-right-radius:11px;border-bottom-left-radius:11px;}.kb-row-layout-id97144_b6ccae-5e > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id97144_b6ccae-5e > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}}@media all and (max-width: 1024px){.kb-row-layout-id97144_b6ccae-5e > .kt-row-column-wrap{grid-template-columns:repeat(3, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id97144_b6ccae-5e > .kt-row-column-wrap > div:not(.added-for-specificity){grid-column:initial;}.kb-row-layout-id97144_b6ccae-5e > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id97144_b6ccae-5e alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-3-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column97144_e3f5bc-d5 > .kt-inside-inner-col{padding-top:5px;padding-bottom:5px;}.kadence-column97144_e3f5bc-d5 > .kt-inside-inner-col,.kadence-column97144_e3f5bc-d5 > .kt-inside-inner-col:before{border-top-left-radius:10px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:10px;}.kadence-column97144_e3f5bc-d5 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column97144_e3f5bc-d5 > .kt-inside-inner-col{flex-direction:column;}.kadence-column97144_e3f5bc-d5 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column97144_e3f5bc-d5 > .kt-inside-inner-col{background-color:var(--global-palette9, #ffffff);}.kadence-column97144_e3f5bc-d5 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column97144_e3f5bc-d5{position:relative;}@media all and (max-width: 1024px){.kadence-column97144_e3f5bc-d5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column97144_e3f5bc-d5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column97144_e3f5bc-d5\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-text-align-center has-theme-palette-3-color has-text-color has-link-color has-theme-palette-1-color wp-elements-1 wp-block-paragraph\" style=\"margin-top:0px;margin-bottom:0px;padding-top:0px;padding-bottom:0px;font-size:28px;font-style:normal;font-weight:500\">FREE<\/p>\n\n\n\n<p class=\"has-text-align-center has-theme-palette-4-color has-text-color has-link-color wp-elements-2 wp-block-paragraph\" style=\"margin-top:0px;margin-bottom:0px;padding-top:0px;padding-bottom:0px;font-size:16px;font-style:normal;font-weight:500\">TO ATTEND<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column97144_fb76e2-31 > .kt-inside-inner-col{padding-top:5px;padding-bottom:5px;}.kadence-column97144_fb76e2-31 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column97144_fb76e2-31 > .kt-inside-inner-col{flex-direction:column;}.kadence-column97144_fb76e2-31 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column97144_fb76e2-31 > .kt-inside-inner-col{background-color:var(--global-palette9, #ffffff);}.kadence-column97144_fb76e2-31 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column97144_fb76e2-31{position:relative;}@media all and (max-width: 1024px){.kadence-column97144_fb76e2-31 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column97144_fb76e2-31 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column97144_fb76e2-31\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-text-align-center has-theme-palette-3-color has-text-color has-link-color has-theme-palette-1-color wp-elements-3 wp-block-paragraph\" style=\"margin-top:0px;margin-bottom:0px;padding-top:0px;padding-bottom:0px;font-size:28px;font-style:normal;font-weight:500\">60 Mins<\/p>\n\n\n\n<p class=\"has-text-align-center has-theme-palette-4-color has-text-color has-link-color wp-elements-4 wp-block-paragraph\" style=\"margin-top:0px;margin-bottom:0px;padding-top:0px;padding-bottom:0px;font-size:16px;font-style:normal;font-weight:500\">LENGTH<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column97144_826777-f7 > .kt-inside-inner-col{padding-top:5px;padding-bottom:5px;}.kadence-column97144_826777-f7 > .kt-inside-inner-col,.kadence-column97144_826777-f7 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:10px;border-bottom-right-radius:10px;border-bottom-left-radius:0px;}.kadence-column97144_826777-f7 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column97144_826777-f7 > .kt-inside-inner-col{flex-direction:column;}.kadence-column97144_826777-f7 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column97144_826777-f7 > .kt-inside-inner-col{background-color:var(--global-palette9, #ffffff);}.kadence-column97144_826777-f7 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column97144_826777-f7{position:relative;}@media all and (max-width: 1024px){.kadence-column97144_826777-f7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column97144_826777-f7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column97144_826777-f7\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-text-align-center has-theme-palette-3-color has-text-color has-link-color has-theme-palette-1-color wp-elements-5 wp-block-paragraph\" style=\"margin-top:0px;margin-bottom:0px;padding-top:0px;padding-bottom:0px;font-size:28px;font-style:normal;font-weight:500\">ONLINE<\/p>\n\n\n\n<p class=\"has-text-align-center has-theme-palette-4-color has-text-color has-link-color wp-elements-6 wp-block-paragraph\" style=\"margin-top:0px;margin-bottom:0px;padding-top:0px;padding-bottom:0px;font-size:16px;font-style:normal;font-weight:500\">FORMAT<\/p>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.kadence-column97144_32a940-dd > .kt-inside-inner-col{padding-top:15px;padding-right:15px;padding-bottom:15px;padding-left:15px;}.kadence-column97144_32a940-dd > .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-column97144_32a940-dd > .kt-inside-inner-col,.kadence-column97144_32a940-dd > .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-column97144_32a940-dd > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column97144_32a940-dd > .kt-inside-inner-col{flex-direction:column;}.kadence-column97144_32a940-dd > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column97144_32a940-dd > .kt-inside-inner-col{background-image:linear-gradient(90deg,rgba(163,207,250,0.2) 0%,rgb(255,255,255) 98%);}.kadence-column97144_32a940-dd > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column97144_32a940-dd{position:relative;}@media all and (max-width: 1024px){.kadence-column97144_32a940-dd > .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-column97144_32a940-dd > .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-column97144_32a940-dd\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading97144_7090f5-fd, .wp-block-kadence-advancedheading.kt-adv-heading97144_7090f5-fd[data-kb-block=\"kb-adv-heading97144_7090f5-fd\"]{margin-bottom:10px;font-size:30px;font-weight:600;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading97144_7090f5-fd, .wp-block-kadence-advancedheading.kt-adv-heading97144_7090f5-fd[data-kb-block=\"kb-adv-heading97144_7090f5-fd\"] .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-heading97144_7090f5-fd mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading97144_7090f5-fd[data-kb-block=\"kb-adv-heading97144_7090f5-fd\"] 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-heading97144_7090f5-fd img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading97144_7090f5-fd[data-kb-block=\"kb-adv-heading97144_7090f5-fd\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style><h3 class=\"kt-adv-heading97144_7090f5-fd wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading97144_7090f5-fd\"><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-column97144_1c5158-c0 > .kt-inside-inner-col{padding-top:15px;padding-right:15px;padding-bottom:15px;padding-left:15px;}.kadence-column97144_1c5158-c0 > .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-column97144_1c5158-c0 > .kt-inside-inner-col,.kadence-column97144_1c5158-c0 > .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-column97144_1c5158-c0 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column97144_1c5158-c0 > .kt-inside-inner-col{flex-direction:column;}.kadence-column97144_1c5158-c0 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column97144_1c5158-c0 > 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class=\"kt-inside-inner-col\"><style>.wp-block-kadence-advancedheading.kt-adv-heading97144_0e1b3d-1e, .wp-block-kadence-advancedheading.kt-adv-heading97144_0e1b3d-1e[data-kb-block=\"kb-adv-heading97144_0e1b3d-1e\"]{margin-bottom:10px;font-size:30px;font-weight:600;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading97144_0e1b3d-1e, .wp-block-kadence-advancedheading.kt-adv-heading97144_0e1b3d-1e[data-kb-block=\"kb-adv-heading97144_0e1b3d-1e\"] .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-heading97144_0e1b3d-1e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading97144_0e1b3d-1e[data-kb-block=\"kb-adv-heading97144_0e1b3d-1e\"] mark.kt-highlight{font-style:normal;-webkit-text-fill-color:initial 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