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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 964-9600 FAX(415)364-9233 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988-MOO FAX(510)988-9673 (D Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0100 ............ ................................. ..... Star Building Systems Client Project ID: Waste Testing Sampled: Apr 28, 1997 : 12101 E. Brandt Rd. Sample Descript: Solid, Flux Received: May 1, 1997�:� Lockeford, CA 95237 Analysis Method: See below Attention: Jeremy Ball Lab Number: 705-0017 Reported: May 16, 1997;: STATIC ACUTE HAZARDOUS WASTE BIOASSAY - DEFINITIVE Species: Pimephales promelas Organisms/Tank: 10 Common Name: Fathead Minnow Organisms/Conc.: 20 Tank Depth: 13 cm Mean length: 39 mm Min. length: 36 mm Tank Volume: 10 L Max. length: 42 mm Supplier: Sticklebacks Unlimited Mean weight: 0.75 g Min.weight: 0.52 g Acclimation Temp.: 20 OC Max.weight: o.90 g Control Water: Synthetic Softwater Alkalinity, mg/L I Hardness, mg/L Hardness 40-48 Initial Final Initial Final Control 27 20 43 43 1000 ppm 2734 42 43 Duplicate 1000 ppm 28 33 43 43 Initial 24 Hr 48 Hr 72 Hr 96 Hr DATE 1 05/07/971 05/08/97 1 05/09/97 1 05/10/97 1 05/11/97 1 DO C pH DO C pH # M DO I C PH #M DO C pH # M DO C pH #M Total mg/L Tem g Units mg/ Tem r Units Dead mg/ Tem Units Dead mg/ Temp Units Dead mg/ Tem ip Units Dead Dead - - Control 9.0 18 7.9 9.01 18 7.4 0 6.91 18 7.3 0 6.1 18 7.0 0 6.0 18 7.2 -0 0 1000 ppm 9.1 19 7.9 5.8 19 7.2 0 5.4 19 7.2 0 5.0 19 7.1 0 4.7 19 7.1 2 2 560 ppm 9.1 19 7.8 6.1 19 7.2 0 5.41 19 7.2 0 4.9 18 7.1 0 5.4 18 7.1 0 0 320 ppm 9.1 19 7.4 6.7 T19 7.2 0 6.31 19 7.2 0 5.9 18 7.2 0 6.3 18 7.2 0 0 180 ppm 9.1 19 7.8 6.6 T19 7.2 0 6.3 19 7.1 0 6.2 18 7.2 0 6.4 18 7.1 2 2 100 ppm 9.1 19 7.8 6.9 19 7.2 0 651 19 7.11 0 _6.2 . 181-7.21 0 1 6.2 191 7.21 2 2 Duplicate DO C pH DO C pH #M DO C pH # 10 DO C pH # M DO C pH # M1 Total mg/L Tamp Units mg/L Tamp Units Dead mg/L Tem r Units Dead mg/ Tamp Units Dead mg/ Tem Units Dead Dead 1000 pp rri 9.1 19 7.9 6.3 19 7.2 0 5.5 19 7.2 0 5.01 19 7.1 0 1 4.81 181 7.1 3 3 560 ppm 9.1 19 7.4 6.2 19 7.2 0 5.9 19 7.2 0 5.1 18 7.1 0 1 5.21 181 7.1 1 1 320 ppm 9.1 19 7.9 7.0 19 7.2 0 6.4 19 7.2 1 5.9 18 7.2 0 5.1 18 7.1 2 3 180 ppm 9.1 19 7.8 6.6 19 72 0 6.0 19 7.1 0 5.6 18 7.2 0 1 4.91 18 7.1 2 2 100 ppm 1 9.1 1 20 , 7.81 6.71 191 7.21 0 1 6.01 19 7.11 0 1 5.81 18 7.21 0 1 5.71 191 7.01 0 1 0 LC-50: >1000 ppm LC-50 Calculation Method: Moving Average LC-50 Dup:-7TU0U-pFm- Remarks: Analyst: K.Anderson/ Method Reference: Static Acute Bioassay Procedures for Hazardous Waste Samples, D. Newcomb November 1988, California Department of Fish and Game WPCL. SEQUOIA ANALYTICAL, #1271 /incla C. tnei er I C Sch</er Project Manager/Sacramento Laboratory 705-0015.SSS <3>