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BACK TO MAIN Study Title Solubility Study of Perfluorooctanesulfonate (PFOS), SD-018 and Perfluorooctanesulfonamide (FOSA), SE-027 in Male/Female Human Urine Data Requirement 40 CFR 160.105(b) Author Mark E.

3M Environmental Laboratory Method Analysis of Potassium Perfluorooctanesulfonate or Other Fluorochemicals in Liver Extracts Using HPLC-Electrospray/Mass Spectrometry Method Number: ETS-8-7.0 Author: Lisa Clemen, Glenn Langenburg Approved By: Adoption Date: 0 Revision Date: fJfV Laboratory Manager Date Group Leader A diiArU- Technical Reviewer Date O l i n /??

-f\ R o iQ _ o s rs ~ PFOS Pharmacokinetic - 7 000223 C O V iH tfc I ^ the development services company Covane Laboratories Inc.

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qfifj S CDWMT 7-11 A TECHNICAL REPORT SUMMARY ORIGINALTO: TECHNICAL COMMUNICATIONS CENTER - 201-2CN , important -- I f report sprinted on both sides o f paper, send two copies to TCC

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RESEARCH Precise Research.

NOTICE: The information provided to the agency contains information that 3M voluntarily has submitted as part of our continuing discussions with the EPA regarding fluorochemistry.

AR226-2756 FOR DU PONT USE ONLY Copies co E.

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M 000368 AR R6- `f-3 * ' TABLE II GC PRECISION SAMPLE 5 ppm FC-143 1,0 ppm FC-143 0,5 ppm 0,25 ppm GC COUNTS/THOUSANDS 232.5, 241.0, 234.1 63.2, 62.3, 65.2, 61,6, 59.0 33.4, 34,3, 38.8, 39.5 17.5, 15.5, 19.1, 18.4 SAMPLE 1 2 3 4 5 6 7 8 9 10 BLOOD SAMPLES ILC with PPD/S.

ADVANCE UNEDITED DRAFT Decision POPRC-1/7 on perfluorooctane sulfonate The Persistent Organic Pollutants Review Committee, Having examined the proposal by Sweden, which is a Party to the Stockholm Convention on Persistent Organic Pollutants, to list perfluorooctane sulfonate and ninety-six potential perfluorooctane sulfonate precursors in Annex A to the Convention and applied the screening criteria specified in Annex D to the Convention, Noting that the perfluorooctane sulfonate anion does not have a Chemical Abstracts Service number and does not appear as an anion in the environment, but that the perfluorooctane sulfonate acid and its salts listed in the proposal have the following Chemical Abstracts Service numbers: (a) Acid 1763-23-1 (b) K+ salt 2795-39-3 (c) Li salt 29457-72-5 (d) NH4+ salt 29081-56-9 (e) Diethanolamine salt 70225-14-8 Decides, in accordance with paragraph 4 (a) of Article 8 of the Convention, that it is satisfied that the screening criteria have been fulfilled for perfluorooctane sulfonate, as set out in the evaluation contained in the annex to the present decision; Decides also, in accordance with paragraph 6 of Article 8 of the Convention and paragraph 29 of decision SC-1/7 of the Conference of the Parties to the Stockholm Convention, to establish an ad hoc working group to review the proposal further and to prepare a draft risk profile in accordance with Annex E to the Convention; Decidesfurther that issues related to the inclusion of potential perfluorooctane sulfonate precursors should be dealt with in developing the draft risk profile; Invites, in accordance with paragraph 4 (a) of Article 8 of the Convention, Parties and observers to submit to the Secretariat the information specified in Annex E in accordance with the format set out in annex [Y] to the report of its first meeting1before [Z], UNEP/POPS/POPRC. 1/10. 000243 P-2 Annex to decision POPRC-1/7 Evaluation of perfluorooctane sulfonate against the criteria of Annex D A.

ft _ 367^ Method 555: PFBA, PFPeA, PFHxA, PFOA, PFBS, PFHxS and PFOS Collected: 4/20/06 Analyzed: 4/28/06 Site: Oakdale City Well Project: HC Sam ple ID Field ID 200608268 206043 E01 200608269 206044 E02 200608270 206045 E03 200608271 206046 E04 (duplicate) 200608272 206047 E06 200608273 206048 E07 200608274 206049 E08 200608275 trip blank well#1 well#2 well#3 well#5 well#7 well#8 well#9 Dataset 042806sa1 042806sa1 042806sa1 042806sa1 042806sa1 042806sa1 042806sa1 042806sa1 d TT- P F B A (p pb ) Factor Meas.