AR226-2529 C-8 DETECTED WASHINGTON WORKS SITE * SUPERNATE POND AREA - CONTAMINATED SOIL - GROUNDWATER (-20 FT) i WEST END OF SITE - WELLS 27 & 4 - GROUNDWATER (-75 FT*) NO. 5 OU TF AL L . - DISCHARGE TO OHIO RIVER WASHINGTON WORKS EMPLOYEES 1991 (VOLUNTARY TESTING) DRINKING WATER (LPSD) 1984 - 1989 1991 LETART LANDFILL SURFACE WATER - LEACHATE POND OVERFLOW GROUNDWATER - WELL SAMPLES DRY RUN LANDFILL SUPERNATE SLUDGE t SURFACE WATER - UPPER POND - SEDIMENTATION BASIN - DISCHARGE STREAM AT PROPERTY LINE GROUNDWATER - MONITOR WELLS *Revised analytical method PPM 100 100 PPB 2-4 40 PPM UP TO 5 PPB 0,7 2,2 3.8* PPM 2-3 0.05 - 0*7 PPM 75-100 2-3 2-3 0*04 - *2 PPB 2-5 RJZOI0004 EID079259

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C O RN IN G Hazleton MUTAGENICITY TEST ON ; IN AN /A VIVO MOUSE MICRONUCLEUS ASSAY FINAL REPORT AUTHOR Hemalatha Murli, Ph.D.

BACK TO MAIN TOXICITY TO AQUATIC PLANTS (SELENASTRUM CAPRICORNUTUM) TEST SUBSTANCE___________________________________________ Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2, or as a major component of L-13492.

BACK TO MAIN Study Title Acute Toxicity of L - i '492 to the Daphnid, DapJinla magna Data Requirement: Guideline Humber u.s.

ACUTE TOXICITY TO FISH - /t / iw a f i-0111 TEST SUBSTANCE_______________________________________________ Identity: Perfluorooctanesulfonate, Lithium salt; may also be referred to as PFOS Li salt, FC-94, or FC-94-X. (1-Octanesulfonlc acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, lithium salt, CAS # 29457-72-5) Remarks: Test sample was taken from 3M production lot #1.

ARSLA6 - 0 7 6 / ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE____________________________________________ Identity: Mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3).

M A S 6 - 0 2 /5 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE________________________________________________ Identity: A mixture containing periluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR.A2.6 _ 0SS6 TO XICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-3003. (1Octanesulfonic acid) (CAS # 2795-39-3).

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PFOS: A DIETARY LC50 STUDY WITH THE NORTHERN BOBWHITE WILDLIFE INTERNATIONAL LTD.

AR226-2536 ATTACHMENT 1 VERIFICATION INVESTIGATION WORK PLAN E.

V- P' S tudy Completed On May 20, 1991 I 1, Performing laboratory Haskell E.

rn K J AR226-2993 Baugy, June 17, 1993 STUDY No_9200BA c '1 OCULAR PRIMARY IRRITATION Sponsor : ELF ATOCHEM SA La Dfense 10 Cedex 42 92091 PARIS LA DEFENSE FRANCE Company Sanitized.

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