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Aqua Terra Technologies STATIC ACUTE BIOASSAY <br /> 2950 Buskirk Avenue (Hazardous Waste Test) <br /> Walnut Creek, CA 94596 A T T <br /> (415) 934-4884 <br /> CLIENT Canonte Environmental (pg 2 of 2 ) ATTENTION Ms Neckels <br /> SAMPLE ID;<# 8846 SAMPLE DESCRIPTION Composite Soil TESTING DATES 11 28/90 to 12/01/90 <br /> CLIENT ID# 855880-C, Project if90-822 stockpile,PO#7015 <br /> INITIAL 24-HOUR 48-HOUR 72 HOUR 96-HOUR FINAL <br /> L <br /> Alk Hard Live pH 00 Temp Live pH DO Temp Live pH DO Temp Live pH DO Temp Live pH DO Temp <br /> m /L m /L m /L oC m IL oC m /L oC m /L oC m /L oC <br /> 250A 10 75 1 87 20 1 10 76 87 1 20 10 76 83 20 10 82 83 20 1 9 82 82 20 <br /> 2508 10 76 86 20 10 76 85 20 10 77 83 20 10 81 83 20 8 81 83 20 <br /> 500A 10 77 84 20 10 77 84 20 10 78 83 20 1Q 81 83 20 9 86 81 20 <br /> 5008 1Q 78 84 20 10 78 85 20 10 79 83 20 10 81 84 20 10 80 83 20 <br /> 750 A 56 146 10 78 81 . 20 10 79 84 20 10 79 83 20 10 81 84 20 9 79 83 20 <br /> 750 B L 56 146 10 78 83 20 10 _LLJ 84 20 10 479 8 3 20 10 j 81 84 1 20 10 79 83 20 <br /> Test Species fathead minnow Avg Length 322 4mm Max Length 38 0 mm SL Mm Length 290 mm SL <br /> 61 <br /> Test Source Thomas Fish Company Avg Wt 0 365 g Max Wt 0 48 g Min Wt 032 g <br /> 10 tank Control& <br /> Species Density 20/treatment Dilution Water dechlorinated tap Test Soln Vol 3 L Depth 17 cm Aeration Bubble <br /> AccUmation Tank % Dead 0 Accl Tank Water dechlorinated tap Accl Period 21 Days Accl Temp 20 +/ 20C <br /> 96 hr LC50 X750 mg/L <br /> 95% Confidence Limits NA <br /> 96 hr F-r1al Percent Survival 85%in 250_mg/L_ 95% in 500 mg/L and 750 mg <br /> /L <br /> Remarks <br /> Laboratory <br /> Technician PR, BF Manager <br /> Laboratory l -� <br /> l �lla� <br /> STATACU2 HWT/CAE8846B DAT Director <br />