Document 65KL5mj9O1YQ5okjQbqk8n7q4

fy P .A 9.6 ~ 0 6 8 1 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE ____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-185F. (1Octanesulfonic add) (CAS # 2795-39-3) Rem arks: The 3M production lot number was 1-2303. The test sample is FC-185F, cc 817-19. Current information indicates it is a mixture of 4% PFOS, 36% diethylene glycol butyl ether, 29.29% water, 14% ethylene glycol, 8% Sultone foamer, 8.35% sodium octyl sulfate, 0.3% sodium lauryl sulfate, and 0.06% tolyltriazole. The following summary applies to a mixture with incompletely characterized concentrations o f impurities. Data may not accurately reflect the toxicity o f the fluorochemical component o f the test sample. METHOD:________________________________________________________ Methods: Protocol Reference EAR, 11/8/79. Test type: Aerobic. GLP: No Year com pleted: 1982 Analytical m onitoring: Dissolved oxygen concentrations Test organism source: Activated sludge mixed liquor from the St. Paul/Minneapolis, Minnesota Metro W astewater Plant Test conditions: Dilution w ater: Deionized water. Reference and te st solution preparation: A primary stock solution was prepared by diluting 0.60 g into 100 mL deionized water. Test Vessels: Not given. Num ber o f concentrations: 1 plus blank control Tem perature: Not given. Total suspended solids and pH on day o f testing: Not given. Elem ent basis: Respiration inhibition as determined by oxygen consumption. RESULTS________________________________________________________ Nom inal concentrations: Bk control, 1000 mg/L Elem ent values: No Inhibition of activated sludge respiration rate at 1000 mg/L with a contact time of 3 minutes. Element values based on nominal concentration. 000131 Rem arks: Testing was conducted on the mixture as described in the Test Substance Remarks field. The values reported apply to that mixture and not the fluorochemical proportion alone. CONCLUSIONS_______________________________ ____________________ The test material exhibited no inhibitory effects at 1000 mg/L over a 3 minute exposure period. Subm itter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133 DATA QUALITY_____________________________ -- -- _______________ R eliability: Klimisch ranking - 3. Testing lacks record of methodology used. The method was not an agency-approved method. There is a lack of characterization of the test sample. Test solutions were not analyzed for PFOS concentration. REFERENCES_____________________________ ______________________ This study was conducted by the 3M Company, Environmental Laboratory, St. Paul, MN, Lab Request number 7544. O T H E R __________________________________________________________ Last changed: 6/26/00 000132 9 8 7 6 5 if 3 2 1 O 3M Environmental Laboratory Acute T o xic ity of a Compound (Substance) to J\ctivated Sludge Mixed Liquor ) Protocol Reference: EAR 11/8/79 Lab request no. : -/ Date: h X t > ~ S ' L Analyst; The activated sludge mixed liquor was collected from the St. Paul/Minneapolis Metro Wastewater Plant on if 2. Sample description: P C . - F~ CcC L-Q~h J' 2S03 Preparation of stock solution: grams of sample were diluted to / CTO with deionized reagent water. Date of preparation; / -- : ' -.vu.'.t'&^f m *? 1 L_V | M E m in . sec. v r N W i 0N -- < r^ r" M /J J E R IA A5p?SLUl> G E 8 ! i J j H R E . ' j 3 <? S 'O o / -- r ,/ S 'to i . .. . X .-- /.0 O rr 2 .* /" -- 1Mt -- f- jy ; , > ,* 0 > 2 \> , . ; - -f:. . > I * - ; - :y : . V f!'; j s &<0 * X r ` y *C- v ;V H--r: '* . y w . -.-^ X ^ X -Xx X- f t " '.-'-.I ;V'- "il-.v.'v .. S' - : ' rW ^ -. '" " m o o ia i'