A R U 6 _ 0854 MICROBICS MICROTOX TOXICITY TEST T E S T SUBSTANCE__________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603EF. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR *6 - TO XICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-3017. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR <AA6 - 06US~ NOTE TO FILE DATE: September 29, 2000 FROM: Karen Lannon SUBJECT: PFOS Substitutes - Carpet Treatment A meeting was held from 1:00 pm to 2:00 pm on September 15, 2000 to discuss PFOS alternatives for carpet treatment.

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From: Sent: To: Subject: 05 April 2023 07:33 RE: further queries regards your pollution inventory report Thanks For your records, I've made the corrections you've listed on the PIEDC database, have copied your explanation into the area query tool and closed the query.

AR226-3345 Perfluoroalkylated Substances in the Environment: What are they?

From: Sent: To: Cc: Subject: 27 December 2023 14:16 Enhanced Pre-application Request - EPR/BU5453IY Hi (and !)

TRADE SECRET AR226-3170 DuPont-448 Study Title H-24616: Influence on Growth and Growth Rate of the Green Alga Selenastrum capricornutum Laboratory Project ID: DuPont-4488 AUTHOR: Terry Lee Sloman, B.S.

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JEFFERSON MEDICAL COLLEGE of THONTAS JEFFERSON UNIVERSITY Daniel Baugh Instituteof Anatomy Department of Anatomy Office of the Directorand Chairman Philadelphia, 19107 (215) 928-7820 November 12, 1982 Dr.