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ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES PHOTOLYSIS BACK TO COMPOUNDS STUDY TITLE COMPOUND LABORATORY REPORT NUMBER SUMMARIES Photolysis Executive Summary Screening Studies on the Aqueous Photolytic Degradation of Perfluorooctanoic Acid (PFOA) PFOA E00-2192 Robust Summary Indirect Photolysis of Gaseous Perfluorooctanesulfonyl Fluoride (POSF) by Fourier Transform Infrared (FTIR) Spectroscopy Screening Studies on the Aqueous Photolytic Degradation of Potassium Perfuorooctane Sulfonate (PFOS) Screening Studies on the Aqueous Photolytic Degradation of 2(N-Ethylperfluoroctanesulfonamido)-ethyl alcohol (N-EtFOSE Alcohol) POSF PFOS N-EtFOSE Alcohol E01-0739 W2775 W2783 Robust Summary Robust Summary Robust Summary

TECHNICAL REPORT SUMMARY TO: TECHNICAL COMMUNICATIONS CENTER - 201-2CN BACK TO MAIN IDiltv 8/25/81 1 - (1ttitwrt;iiit I f report is-prititcd on tmth sides of paper, send two copies to TCC.)

BACK TO MAIN Centre Analytical Laboratorks, Inc. 3048 Research Drive State C%?

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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.

AR226-2748 Material Submitted by: Copies to: I.

Out of scope AOB SEPA mentioned an issue firefighting foam & a building that SEPA / LM to proved unable to "contain" the escape of firefighting foam, check whether (pathway) to an external impact.

AR22C = 327] " -_-- --~ TRADE SECRET #Razg -- 327/ DoDuwPonnte11604 Study Tite H-25435: InflAulegnaceSoenleGnraoswtrtuhmacnadprGircoowrtnhuRtaumteofthe Green Laboratory Project ID: DuPont-11604 TEST GUIDELINES: OSeEctCiDonG2u:idEeflfiencetsfoonr TBeisottiincgSCyhsetmeimcs,alNsumber 201 (1984) ~~ Commission Directive 92/69/EEC EEC Method C3 (1992) AUTHOR: TerryLee Sloman, B.S.

Ar226- 3295 - 80 AR226- 3298 Dupont-11603 -- `TRADE SECRET Study Title H-24678: Early Life-Stage Toxicity to Rainbow Trout, Oncorhynchus mykiss TEST GUIDELINES: U.S.