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• / SEQUOIA ANALYTICAL 819 S#raker Avenue, Suite 8 • Sacramento, CA 95834 40, V (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-11-22-91-5A Received Nov 25, 1991 Rancho Cordova, CA 95670 Analysis Method See below Attention Eloise Frick Lab Number 111-0749 A Reported Dec 5, 1991 STATIC ACUTE HAZARDOUS WASTE BIOASSAY StaticF_x_J Species Pime hales promelas Organisms/Tank 10 Cont Flow= Common Name Fathead minnow Replicates 2 Mean length 360 mm Organisms/Conc 20 Mean weight 0 61 g Tank Depth 13 cm Screenings Supplier Sticklebacks Unlimited Tank Volume 10 L Definitive X Acclimation Temp 160 degrees C Alkalinit , m L Hardness, m L Initial Final Initial Final Control 300 290 450 460 Dilation Water Synthetic Freshwater 1000 ppm 310 300 460 460 320 ppm 31 0 320 450 480 100 ppm 31 0 330 1450 550 � . Initial 24 Hr 48 Hr 72 Hr 96 Hr DATE 11/29/911 11/30/91 12 1 91 1 12/2/91 1 12Z3/91 FD Temp O CpH DO C pH # M DO C pH # M DO C pH # M DO C pH # M Total /L Units mg/L Temp Units Dead mg/L Tempt Units Dead mg/L Temp Units Dead mg/L Temp Units Dead Dead Control 98 17 73 89 16 73 0 89 16 73 0 82 15 71 0 85 16 72 0 0 100 pprn 92 16 72 90 16 72 0 89 16 74 0 88 15 71 0 88 16 72 0 0 180 PPm 91 16 72 1 88 16 72 0 90 16 73 0 77 15 71 075 16 71 0 0 320 ppm 88 16 73 185 16 73 0 89 16 73 0 91 15 73 0 83 16 71 0 0 560 m 90 16 73 88 16 73 0 90 16 74 0 84 15 7 0 85 16 71 0 0 I 1000 m 98 16 72 88 16 73 0 86 16 73 0 86 15 72 0 88 16 72 0 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, September 1987, California Department o Fish and Game WPCL . SEQUOIA ANALYTICAL t"111_� Michael R Giles Laboratory Director Page 2 of 2 111-0749 RES <2>