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j SEQUOIA ANALYTICAL 819 Striker Avenue, Suite 8 - Sacramento, CA 95834 (916) 921-9600 - FAX (916) 921-0100 RESNA Industries Client Project ID Arco #2076, Lodi Sampled Nov 22, 1991 3164 Gold Camp Drive, Suite 200 Sample Descnpt Soil, S-11-22-91-8A Received Nov 25, 1991 Rancho Cordova, CA 95670 Analysis Method See below Attention Eloise Frick Lab Number 111-0750 A Reported Dec 5, 1991 STATIC ACUTE HAZARDOUS WASTE BIOASSAY StaticF_x__1 Species Pime hales promelas Organisms/Tank 10 Cont Flow= Common Name Fathead minnow Replicates 2 Mean length 360 mm Organisms/Conc 20 Mean weight 051 g Tank Depth 13 cm Screening Supplier �cklebacks Unlimited Tank Volume 10 L Definitive L_2LJ Acclimation Temp 160 degrees C Alkalinity, m L Hardness, m L Initial Final Initial Final 1 Control 30 0 290 450 460 Dilution Water Synthetic Freshwater 1000 ppm 31 0 32 0 450 460 320 ppm 31 0 31 0 450 450 100 ppm 131 0 31 0 1450 450 � . Initial 24 Hr 48 Hr 72 Hr 96 Hr DATE 11/29/91 11/30/91 12/1/91 12 2 91 1 12/3/91 C pH DO C pH # M DO C pH # M DO C pH # M DO C pH Id Total [D-0 g/L Temp Units mg/L Temp Units Dead mg/L Temp Units bead mg/L Temp Units Dear!190 mg/L Temp Units Dead Control 98 17 73 89 16 73 0 89 16 73 0 82 15 71 0 85 16 72 0 100 m 90 16 70 88 16 70 0 90 16 72 0 87 15 71 0 16 72 0 180 m 82 16 71 80 16 71 0 81 16 72 0 75 15 70 0 89 1fi 72 0 32D m 88 16 71 86 16 71 0 81 16 72 0 76 15 70 0 80 16 71 560 rn 92 16 72 90 16 72 0 88 16 72 0 87 15 72 0 $9 16 721000 m 92 16 74 90 16 72 0 86 16 72 0 89 15 72 0 88 i6 72 0 LC-50: > 1000 ppm LC-50 Calculation Method Moving average angle Remarks Analyst R Geckler Method Reference Static Acute Bioassay Procedures for Hazardous Waste Samples, e tember 1987, California Department of Fish and Game WPGL SEQUOIA ANALYTICAL Page 1 of 2 111-0749 RES c3>