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j SEQUOIA ANALYTICAL 819 Striker Avenue, Suite 8 - Sacramento, CA 95834 • Val (916) 921-9600 - FAX (916) 921-0100 RESNA Industries Client Project ID Arco #2076, Lodi Sampled Nov 26, 1991 3164 Gold Camp Drive, Suite 200 Sample Descript Soil, S-11-26-91-4A-B Received Nov 26, 1991 Rancho Cordova, CA 95670 Analysis Method See below Attention Eloise Frick Lab Number 111-0812 Reported Dec 6, 1991 STATIC ACUTE HAZARDOUS WASTE BIOASSAY StaticSpecies _Pimephales promelas Organisms/Tank 10 Cont Flow= Common Name Fathead minnow Replicates 2 Mean length 350 mm Organisms/Cone 20 Mean weight -2-5-9 Tank Depth 13 cm Screenings Supplier Sticklebacks Unlimited Tank Volume 10 L Definitive X Acclimation Temp 180 degrees C Alkalinit , m L Hardness, m L Initial Final Initial Final Dilution Water Synthetic Freshwater Control 32 0 320 41 0 400 1000 ppm 32 0 300 420 470 320 ppm 31 0 300 430 460 100 ppm 132 0 31 0 1430 440 i Initial 24 Hr 48 Hr 72 Hr 96 Hr DATE 12291 12391 17 12491 12591 1 12691 FDOL CpH DO C pH # M DO CJ pH # M DO C pH J# M DO C pH # M Total Temp Units mg/L Temp Units Dead mg/L Temp Units Dead mg/L Temp Units Dead mg/L Temp Units Dead Dead Control 83 15 71 94 16 73 0 96 21 75 0 189 18 72 1 0 90 18 76 0 0 100 pem 89 15 72 86 16 72 0 89 21 73 0 76 18 72 0 76 18 72 Q 0 180 ppm 91 15 1 73 89 16 1 73 0 92 21 73 0 85 18 73 0 85 1 18 73 1 0 1 0 320 ppm 94 15 74 92 16 74 Q 92 21 74 0 80 18 73 0 80 1 18 73 0 0 560 ppm 94 15 74 92 16 74 0 95 21 74 1 0 88 18 73 0 88 18 73 0 0 1000 pml 91 15 73 89 16 73 0 87 21 73 1 Q 1 791 1872 0 79 18 72 Q 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 WPCL • SEQUOIA ANALYTICAL 4 Rick R DlMaio Project Manager Page 2 of 2 111-0811 RES <4>