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j SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 • Sacramento, CA 95834 <br /> ` (916) 921-9600 • FAX (916) 921-0100 <br /> RESNA Industries Client Project ID Arco #2076, Lodi Sampled Nov 26, 1991 <br /> 3164 Gold Camp Drive, Suite 200 Sample Descript Soil, S-11-26-91-4A-B Received Nov 26, 1991 <br /> Rancho Cordova, CA 95670 Analysis Method See below <br /> Attention Eloise Frick Lab Number 111-0812 Reported Dec 6, 1991 <br /> STATIC ACUTE HAZARDOUS WASTE BIOASSAY <br /> Statics Species Pimephales promelas -_ Organisms/Tank 10 <br /> Cont Flow Common Name Fathead minnow Replicates 2 <br /> r Mean length 350 mm Organisms/Cone 20 <br /> Mean weight 95 g Tank Depth 13 cm <br /> Screenings Supplier Sticklebacks Unlimited Tank Volume 10 L <br /> Definitive K Acclimation Temp 180 degrees C <br /> Alkalinity, m Z L Hardness, m L <br /> Initial I Final Initial Final <br /> Control 320 32 0 41 0 400 <br /> Dilution Water Synthetic Freshwater 1000 ppm 320 31 0 430 460 <br /> 320 ppm 31 0 31 0 420 450 <br /> 100 ppm 1320 320 i430 <br />� . Initial 24 Hr 48 Hr 72 Hr 96 Hr <br /> DATE 12291 12391 12491 1 12591 12691 <br /> FDO C pH DO C pH # M DO C pH # M DO C pH JId DO C pH # M TotaE <br /> /L Temp Units mg/L Temp Units Dead mg/L Temp Units Dead mg/L Temp Units mg/L Temp Units dead Dead <br /> I Control 82 15 71 94 16 73 0 96 21 73 0 89 18 7290 18 76 0 0 <br /> 100 m 91 15 73 89 16 73 0 86 21 74 0 77 18 7277 18 72 0 0 <br /> 180 m 9015 73 87 16 73 0 87 21 73 0 78 18 7278 18 72 0 0 <br /> 320 m 88 15 72 86 16 72 0 92 21 73 0 85 18 7285 18 72 0560 m 90 15 73 87 16 73 0 87 21 74 0 77 18 7277 18 72 01000 m93 15 73 91 16 73 0 92 21 73 0 81 18 7283 18 73 0 0 <br /> LC-50' > 1000 ppm LC-50 Calculation Method Moving average angle <br /> Remarks <br /> Analyst R Geckler Method Reference Static Acute Bioassay Procedures for Hazardous Waste Sam les, <br /> e tember 1987, California Department of Fish and Uame WPCL <br /> SEQUOIA ANALYTICAL Page 3 of 2 111-0811 RES t3> <br />