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%.' J <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364-9600 FAX(415)364-9233 <br /> 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)989-9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0 100 <br /> Star Building Systems Client Project ID: Waste Testing 1.Sampled: Apr 28, 1997 <br /> 12101 E. Brandt Rd. Sample Descript-Aludge Received: Jun 10, 1997 <br /> Lockeford, CA 95237 Analysis Method: See below <br /> Attention: Jeremy Ball Lab Number: 706-0301 Reported: Jun 24, 1997 <br /> STATIC ACUTE HAZARDOUS WASTE BIOASSAY - DEFINITIVE <br /> Species: Pimephales promelas Organisms/Tank: 10 <br /> Common Name: Fathead Minnow Organisms/Cont.: 20 <br /> Tank Depth: 13 cm <br /> Mean length: 30 mm Min. length: 23 mm Tank Volume: 10 L <br /> Max. length: 36 mm Supplier: Sticklebacks Unlimited <br /> Mean weight: 0.36 g Min.weight: 0.16 g Acclimation Temp.: 21 °C <br /> Max. weight: 0.58 9 <br /> Control Water: Synthetic Softwater E25 <br /> ty, mg/L Hardness, mg/L <br /> Hardness 40-48 Final Initial Final <br /> Control 29 43 40 <br /> 1000 ppm 37 42 50 <br /> Duplicate 1000 ppm 36 43 53 <br /> Initial 24 Hr 48 Hr 72 Hr 96 Hr <br /> DATE 1 06/18/97 06/19/97 1 06/20/97 06/21/97 06/22/97 <br /> DO C pH DO C pH #M DO C pH #M DO C pH # M DO C pH # M Total <br /> mg/l. Temr Units mg/ Temr Units Dead mg/ TemF Units Dead mg/ Temr Units Dead mg/ Temr Units Dead Dead <br /> Control 8.5 20 7.3 6.6 20 6.8 0 6.5 20 6.7 0 6.0 19 6.8 0 6.1 19 6.8 0 0 <br /> 1000 pprr 8.0 23 8.2 6.0 19 7.2 0 5.0 18 6.9 0 4.9 18 6.9 0 6.7 18 6.9 0 0 <br /> 560 ppm 8.0 23 8.1 6.7 19 7.1 0 6.6 18 6.9 0 5.9 18 6.9 0 7.1 18 6.9 0 0 <br /> 320 ppm 8.0 22 8.1 6.5 19 7.0 0 6.4 18 6.8 0 6.0 17 6.9 0 7.3 18 6.9 0 0 <br /> 180 ppm 8.1 22 8.1 6.8 19 6.9 1 5.9 18 6.7 0 5.9 17 6.7 1 6.4 18 6.8 0 2 <br /> 100 ppm 8.0 23 8.0 6.3 20 6.9 0 6.3 19 6.7 0 6.3 18 6.8 0 7.2 18 6.8 0 0 <br /> Duplicate DO C pH DO C pH #M DO C pH # M DO C pH #M DO C pH #M Total <br /> mg/ Tem Unit mg/ Tem Units Dead mg/ Temr Units Dead mg/ Tem Units Dead mg/ Temr Units Dead Dead <br /> 1000 pprr 8.0 23 8.2 6.11 19 7.1 0 1 5.91 18 6.9 0 5.2 18 6.9 0E6.71 6.9 0 0560 ppm 8.0 22 8.1 6.7 19 7.1 0 6.6 18 6.8 0 6.2 17 6.8 0 6.8 0 0320 ppm 8.0 22 8.1 6.2 19 7.0 0 5.8 18 6.7 0 6.0 17 6.9 0 6.8 0 0 <br /> 180 ppm 8.0 23 8.1 6.4 197 0 0 6.2 18 6.7 0 5.9 17 6.7 0 6.8 0 0 <br /> 100 ppm 8.0 23 8.0 6.6 20 6.9 0 6.8 19 6.8 0 6.5 18 6.9 0 6.8 0 0 <br /> LC-50: > 1,000 LC-50 Calculation Method: Moving Average <br /> LC-50 Dup: > 1,000 <br /> Remarks: <br /> Analyst: K.Anderson/ Method Reference: Static Acute Bioassay Procedures for Hazardous Waste Samples, <br /> D. Newcomb November 1988, California Department of Fish and Game WPCL. <br /> SEQUOIA ANALYTICAL, #1210 <br /> facC <br /> C ��/�Pn lderPrger/Sacramento Laboratory 706-0301.SBS <1> <br />