Document 4arwL2ZBpxv6gY9V105bY4xbx

AR226-3034 BftSSBSA LABORATORY FOB TOXXCOLex bud m m s m u i kkdxcxne DuPont HLR 821-95 STATIC, AOUTS 96-HOUR TO FATHEAD OF H-21460 PURPOSE: This is a rangefinding study designed to provide an estimate of toxicity uaiag fixed test coacentrations and ------ at predetermined intervals. urement3 information Nominal concentrations tested: 0, 0.5, l.o. 50, 500, and 5000 mg/L. Dissolved Oxygen pH: Nominal Concentration (ug/h) 0 0.5 1.0 50 500 5000 At test initiation, 0 Hours Dissolved Oxygen pH (mg/L) 8.5 7.7 8.5 7.7 a.r 7.7 8.5 *7.7 8.5 7.7 8.5 7.7 At test completion, 96 Hours Dissolved (bggan PH {mg/hi 6.3 - 5.1 5.8 4.8 4.8 4.8 7.8 7.7 7.7 7.7 7.7 7.7 Page 1 of : .Company Sanitized. Does not contain TSCA CBI HASKELL LABORATORY FOR TOXICOLOGY AMD INDUSTRIAL KSDZCZHB DuPont HLR 821-95 STATIC, ACOTB 96-BOOR SCREENING TEST OF H-21460 TO FATHEAD XZNNOWS, Plairiulai promalas. CONTINUED RESULTS Based on visual observations, all solutions were clear, except for SO mo/r. eliuS W" 8li?htly cloudy' 500 S/1* which was cloudy, and 5000 mg/L which was cloudy and white in color. Mortalities were 0. 0, 0. 0. 0 and respectively. The 96-hour LC50, based on nominal concentrations and mortalitv S i S * " " " " 5000 "*/l" litjr parameters ^ i S L " S S 2 5 i . CONCLUSIONS WORX BY: Laurie D. Bouchelle Toxicology Associate APPROVED BY: Michelle R. .Brown, B.A. Study Director I/<D/'To Mo/Day/Year Mo/Day/Year .oraparif Sanitized, Doss not contain T SC CBS