--- title: | Draft Method 1633 description: Draft Method 1633 | --- [![pace logo header white](https://blog.pacelabs.com/hs-fs/hubfs/pace%20logo%20header%20white.png?width=600&height=410&name=pace%20logo%20header%20white.png) ![pace logo header](https://blog.pacelabs.com/hs-fs/hubfs/pace%20logo%20header.png?width=600&height=410&name=pace%20logo%20header.png)](https://www.pacelabs.com) - [Analytical + Environmental](https://www.pacelabs.com/analytical-environmental/) - [Life Sciences](https://www.pacelabs.com/life-sciences/) - [Professional Services](https://www.pacelabs.com/professional-services/) - [Blog](https://blog.pacelabs.com/keeping-pace-with-analytical-services) ###### 6 min read ## [Pace® News and Views – December 2023](https://blog.pacelabs.com/en/pfas-blog/pace-news-and-views-december-2023) By [Lindsay Boone, M.Sc.](https://blog.pacelabs.com/en/pfas-blog/author/lindsay-boone) on Dec 11, 2023 12:00:00 PM [![](https://blog.pacelabs.com/hubfs/news-1.jpg)](https://blog.pacelabs.com/en/pfas-blog/pace-news-and-views-december-2023) It seems we are all waiting and watching for the U.S. Environmental Protection Agency (EPA) to publish its final rule on PFAS in drinking water. The agency said they expected to publish in February of 2024. However, at a recent gathering in Eau Claire, WI, EPA Administrator Michael Reagan said the agency is [committed to finalizing the rule](https://www.wpr.org/epa-leader-says-agency-committed-finalizing-pfas-standards-drinking-water-year) before the end of the year. ###### Topics: [AFFF](https://blog.pacelabs.com/en/pfas-blog/topic/afff) [food packaging](https://blog.pacelabs.com/en/pfas-blog/topic/food-packaging) [Draft Method 1633](https://blog.pacelabs.com/en/pfas-blog/topic/draft-method-1633) [TSCA](https://blog.pacelabs.com/en/pfas-blog/topic/tsca) [Landfills](https://blog.pacelabs.com/en/pfas-blog/topic/landfills) [ASTM D8421](https://blog.pacelabs.com/en/pfas-blog/topic/astm-d8421) [Apparel](https://blog.pacelabs.com/en/pfas-blog/topic/apparel) [Fish and Game](https://blog.pacelabs.com/en/pfas-blog/topic/fish-and-game) [EPA 8327](https://blog.pacelabs.com/en/pfas-blog/topic/epa-8327) ###### 1 min read ## [ASTM D8421/EPA 8327: A Faster, More Affordable PFAS Test Method](https://blog.pacelabs.com/en/pfas-blog/astm-d8421-epa-8327) By [Sherri R. Lloyd](https://blog.pacelabs.com/en/pfas-blog/author/sherri-r-lloyd) on Dec 6, 2023 10:28:38 AM [![](https://blog.pacelabs.com/hubfs/Untitled%20design%20(6).png)](https://blog.pacelabs.com/en/pfas-blog/astm-d8421-epa-8327) The science of PFAS analysis has long needed a standardized, validated test method for non-potable liquids and solids. Once finalized and promulgated, Draft Method 1633 promises to be the solution we’ve been waiting for. Or does it? ###### Topics: [PFAS](https://blog.pacelabs.com/en/pfas-blog/topic/pfas) [PFAS Test Methods](https://blog.pacelabs.com/en/pfas-blog/topic/pfas-test-methods) [Draft Method 1633](https://blog.pacelabs.com/en/pfas-blog/topic/draft-method-1633) [ASTM D8421](https://blog.pacelabs.com/en/pfas-blog/topic/astm-d8421) [EPA 8327](https://blog.pacelabs.com/en/pfas-blog/topic/epa-8327) ###### 3 min read ## [Answers to Your Questions on the 3rd Draft of EPA Draft Method 1633](https://blog.pacelabs.com/en/pfas-blog/answers-to-your-questions-on-the-3rd-draft-of-epa-draft-method-1633) By [Stephen Somerville](https://blog.pacelabs.com/en/pfas-blog/author/stephen-somerville) on May 24, 2023 12:00:00 PM [![](https://blog.pacelabs.com/hubfs/pfas%20lab%20(1200%20%C3%97%20700%20px).png)](https://blog.pacelabs.com/en/pfas-blog/answers-to-your-questions-on-the-3rd-draft-of-epa-draft-method-1633) On February 2nd, Pace® delivered a live webinar titled [“*A Deep Dive into the Third Revision of Draft Method 1633*.”](https://info.pacelabs.com/pfas-draft-method-1633-webinar-feb-2) This webinar was widely attended, and as anticipated, we received a number of questions using the Q&A feature on the portal. Since there were too many questions to answer in the time allotted and the questions received are relevant to the entire PFAS stakeholder community, we decided to create a downloadable FAQ. ###### Topics: [Wastewater](https://blog.pacelabs.com/en/pfas-blog/topic/wastewater) [Draft Method 1633](https://blog.pacelabs.com/en/pfas-blog/topic/draft-method-1633) [Leachate](https://blog.pacelabs.com/en/pfas-blog/topic/leachate) [Biosolids](https://blog.pacelabs.com/en/pfas-blog/topic/biosolids) ###### 6 min read ## [PFAS in Biosolids: A Murky Issue](https://blog.pacelabs.com/en/pfas-blog/pfas-in-biosolids-a-murky-issue) By [Paul Jackson](https://blog.pacelabs.com/en/pfas-blog/author/paul-jackson) on May 3, 2023 12:00:00 PM [![](https://blog.pacelabs.com/hubfs/sludge.png)](https://blog.pacelabs.com/en/pfas-blog/pfas-in-biosolids-a-murky-issue) The USEPA’s 2021-2024 PFAS Strategic Roadmap calls for a number of actions related to PFAS in biosolids. In this post, we’ll provide our assessment of the challenges PFAS in biosolids present and the best ways to analyze for them. ###### Topics: [NPDES](https://blog.pacelabs.com/en/pfas-blog/topic/npdes) [Draft Method 1633](https://blog.pacelabs.com/en/pfas-blog/topic/draft-method-1633) [PFAS in Biosolids](https://blog.pacelabs.com/en/pfas-blog/topic/pfas-in-biosolids) [Wastewater Discharge](https://blog.pacelabs.com/en/pfas-blog/topic/wastewater-discharge) [PFAS by Isotope Dilution](https://blog.pacelabs.com/en/pfas-blog/topic/pfas-by-isotope-dilution) [Wastewater Sludge](https://blog.pacelabs.com/en/pfas-blog/topic/wastewater-sludge) [Leachate](https://blog.pacelabs.com/en/pfas-blog/topic/leachate) [1633](https://blog.pacelabs.com/en/pfas-blog/topic/1633) ###### 7 min read ## [Pace® News and Views - December 14, 2022](https://blog.pacelabs.com/en/pfas-blog/pace-news-and-views-dec-14-2022) By [Lindsay Boone, M.Sc.](https://blog.pacelabs.com/en/pfas-blog/author/lindsay-boone) on Dec 14, 2022 12:00:00 PM [![](https://blog.pacelabs.com/hubfs/news-1.jpg)](https://blog.pacelabs.com/en/pfas-blog/pace-news-and-views-dec-14-2022) The PFAS contamination, testing, and regulatory landscape has been changing at breakneck speed as the U.S. EPA continues to implement its PFAS Strategic Roadmap for 2021-2024. To help Pace® customers stay up to date, we’re compiling the latest news and developments we think should be on everyone’s radar. ###### Topics: [PFAS](https://blog.pacelabs.com/en/pfas-blog/topic/pfas) [AFFF](https://blog.pacelabs.com/en/pfas-blog/topic/afff) [EPA](https://blog.pacelabs.com/en/pfas-blog/topic/epa) [Draft Method 1633](https://blog.pacelabs.com/en/pfas-blog/topic/draft-method-1633) [TRI](https://blog.pacelabs.com/en/pfas-blog/topic/tri) [TSCA](https://blog.pacelabs.com/en/pfas-blog/topic/tsca) [SDWA](https://blog.pacelabs.com/en/pfas-blog/topic/sdwa) [DOD](https://blog.pacelabs.com/en/pfas-blog/topic/dod) [CCL5](https://blog.pacelabs.com/en/pfas-blog/topic/ccl5) ###### 3 min read ## [EPA Draft Method 1633 Deep Dive](https://blog.pacelabs.com/en/pfas-blog/epa-draft-method-1633-deep-dive) By [Stephen Somerville](https://blog.pacelabs.com/en/pfas-blog/author/stephen-somerville) on Aug 24, 2022 12:00:00 PM [![](https://blog.pacelabs.com/hubfs/EPA%20Draft%20Method.png)](https://blog.pacelabs.com/en/pfas-blog/epa-draft-method-1633-deep-dive) **A Closer Look: EPA Draft Test Method 1633** ###### Topics: [PFAS](https://blog.pacelabs.com/en/pfas-blog/topic/pfas) [Wastewater](https://blog.pacelabs.com/en/pfas-blog/topic/wastewater) [Emerging Contaminants](https://blog.pacelabs.com/en/pfas-blog/topic/emerging-contaminants) [NPDES](https://blog.pacelabs.com/en/pfas-blog/topic/npdes) [Draft Method 1633](https://blog.pacelabs.com/en/pfas-blog/topic/draft-method-1633) [All posts](https://blog.pacelabs.com/en/pfas-blog/all) #### Questions or Comments? ##### ANALYTICAL + ENVIRONMENTAL ANALYTICAL + ENVIRONMENTAL - [Analytical + Environmental](https://www.pacelabs.com/analytical-environmental/) - [Emergency Services](https://www.pacelabs.com/analytical-environmental/emergency-disaster/) - [Statement of Qualifications](https://blog.pacelabs.com/hubfs/Statement%20of%20Qualifications/Pace%20SOQ.pdf) ##### LIFE SCIENCES LIFE SCIENCES - [Life Sciences Page](https://www.pacelabs.com/life-sciences.html) - [CDMO/CRO Services](https://www.pacelabs.com/life-sciences/cdmo-cro-services/) - [Central Laboratory Services](https://www.pacelabs.com/life-sciences/central-laboratory-services/) - [Medical Device](https://www.pacelabs.com/life-sciences/medical-device/) ##### PROFESSOINAL SERVICES PROFESSOINAL SERVICES - [Professional Services](https://www.pacelabs.com/professional-services/) - [Regulatory & Compliance](https://www.pacelabs.com/professional-services/regulatory-and-compliance/) - [Scientific Staff](https://www.pacelabs.com/professional-services/scientific-staff/) - [Instrument Services](https://www.pacelabs.com/professional-services/instruments/) - [Facility Qualification](https://www.pacelabs.com/professional-services/facilities/) ##### OTHER OTHER - [Company](https://www.pacelabs.com/company/) - [Careers](https://www.pacelabs.com/careers/) - [Contact](https://www.pacelabs.com/contact-us/) - [Privacy Policy](https://www.pacelabs.com/legal-notice.html) Copyright © 2026 Pace®