AR226-2422 LETART LANDFILL GROimDMATER MONITQRINS - SUMMARY OF FC-143* ANALYTICAL REMITS Date Sampled 03/12/92 10/07/92 Scampie Location Southwest Spring F1ow North Spring Flow Well j?

AR226-2434 ^v-;-^ BRANDERA AT A1 AT EUOIS2 I'"-" w""" 02/18/94 02:27 PM s.

Successful recycling of PTFE - for a sustainable future As a member of the NEUMAN & ESSER GROUP, STASSKOL GmbH offers high-performance plastics for a wide range of applications, including tailor-made sealing materials for use in reciprocating compressors.

AR226-2654 44 AR226-2654 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed for the DuPont Washington Works facility to demonstrate that the emission limits included in Permit Application 2365D for the PFA(Cl-P) operation complies with the C-8 assessment oftoxicity (CAT) recommended airborne screening level of 1.0 ug/m3 at the property line fence.

AR226-2709 31 American Chemical Society (ACS) Summary of DuPont Presentations AR226-2709 Annual Meeting, August 2004 Extraction of Perfluorooctanoie Acid from Polytetrafluoroethylene Polymers and Determination by LC/MS/MS Barbara S.

AR226-2735 TRADE SRfttFT Study Title EVALUATION OF THE BIODEGRADABILITY OF C-8 USING THE MODIFIED STURM TEST (OECD 301 B) Author John T.

.0 3 Department for Environment Food & Rural Affairs GB F-gas Review Agenda 1) Update on the GB F-gas review 2) Policy development - considerations and discussion 3) Other questions 2 GB F-gas Review - consultation Objectives Domestic commitment for net zero Compliance with our international obligations Supporting wider government aims Progress Ongoing policy development and supporting analysis Next steps Draft consultation with proposals for changes Launch consultation Government response Legislate for changes Implement GB new F-gas Regulation 3 Policy development Considerations Ongoing transition to lower GWP propellants MHRA approvals and associated prep work Engagement with industry suggests transition of existing MDIs portfolios will take until at least 2030 MDI manufacturing and MDI supply/use in GB Interactions with NHS action Impact on patient access to medicine 4 Policy development Broad options Removal of the exemption from quota Existing phasedown and quota system Quota and quota authorisations Timeframes Placing on the market prohibitions GWP limit Charge size 5 Policy development Possible criteria for quota exemption, at specific time point: 1.

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3) AGCCE Comments on Draft Regulation 61 Notice 31/03/23 Covering Letter and Notice AGCCE feedback: There is reference in the cover letter and notice to "Throughout correspondence in 2022 you have provided limited information concerning the releases of PFAS from your site', we are concerned, that to somebody who has not been part of our discussions, this reference might suggest that AGCCE has been less than co-operative.

AR226 -- 3274 456 AR 226 - 3274 --_ `TRADE SECRET Study Title .

AR 226 _ 329] 473 _-- ~ TRADE SECRET AR226- 329] wDupoonwt 13s347 Study Tie H-25914: Static, Acute, 96-Hour Toxicity Screening Test with Oncorhynchus mykiss AUTHORS: Laurie D.

AR2%G - 2296 a7 TRADE SECRET Study Title H-25435 Repeated-Dose Dermal Toxicity 28-Day Study in Male Rats AR2R6 - 3296 DuPon11574 TEST GUIDELINES: U.S.

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ARRARE --3512 404 i ARG _ 33% ~ TRANSLATION | SUMMARY OF BIOCONCENTRATION STUDY REPORT 1.

Society of Environmental Toxicology & Chemistry Summary of DuPont Presentations AR226-3341 SETAC North America November, Salt Lake City, UT Environmental fate studies of fluorotelomer intermediates used to produce surfactants and polymers.