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N <br /> i <br /> I <br /> Aqua Tura Technologies STATIC ACUTE BIOASSAY I T <br /> 2950 Buskirk Avenue (Hazardous Waste Tcst) <br /> Walnut Creek,CA 94596 .n <br /> (415)934-4884 <br /> CLIENT: Weston Inc. lam- 3 of 4 ATTENTION: Ms. Anderson <br /> SAMPLE IDax: 10085 SAMPLE DESCRIPTION: Soil TESTING DATES. 5/10/91 to 5/14191 <br /> -- f <br /> CLIENT ID#: 03.663044 <br /> i �t <br /> INMAt 24-HOUR 46-HOUR 72-HOUR 9F-HOUR,F[NAL <br /> TEST Alk. Hard Uwe pH DO Tung Live PH DO Temp Lire PH 100 Temp Live PH DO Tcnp Live pH DO Temp <br /> CONC <br /> m m m L m oC MQk 0C MQ1 oC t"Qx OC m OC <br /> 250 A 10 8.2 9.0 20 10 7.6 8.6 20 10 7.6 9.0 20 10 7.7 8.7 20 10 7.6 8.9 20 <br /> 2509 10 8.2 1 8.2 20 10 7.6 8.6 20 10 7.6 9.0 20 10 7.7 B.7 20 10 7.6 8.9 20 a <br /> 500 A 10 8.1 1 8.3 20 10 7.6 8.6 20 10 7.6 9.0 20 10 7.7 8.8 20 10 7.6 9.0 20 <br /> it <br /> 500 B 10 8.1 6.3 20 10 7.6 6.6 20 10 7.6 9.0 20 10 7.7 8.7 20 10 7.6 9.0 20 f <br /> 750 A 40 52 10 B.0 6.3 20 10 7.6 8.6 20 10 7.6 8.9 20 10 7.7 8.7 20 10 7.7 8.9 20 y <br /> 750 B 40 52 10 6.0 8.3 20 10 7.6 8.6 20 10 7.6 8.9 20 10 7.7 8.6 20 10 7.7 8.8 20 <br /> n <br /> Test Species: fatheads Avg Length 32.6 mm SL Max Length 40.0 mrt SL Min Length 29.0 Mj3L_SL <br /> Test Source:Thornashsh CgMoanv Avg Wt 0.468 g Max Wt 0.57 g Min Wt 0.38 g <br /> 10;tank Control& �t <br /> Species Density 20/treatment Dilution Water dechlorinated tap Test Soln Vol 3 L Depth I7 cm Aeration Bubble <br /> y <br /> Acclimation Tank %Dead _Q._ Accl.Tank Watere¢�lorinated tan Accl.Period Days Accl.Temp. 20 +/-2°C <br /> 96-hr.LC50 > 750 nig/L zh <br /> 95%Confidence Limits: N/A <br /> 96-hr. Fine)Pertwl survive This P9-: 100%in all treatments <br /> Remarks: ; t <br /> i <br /> f Final Alkalinity, Hardness(mA/L):_750 mg/T.,=57 60. <br /> j Laboratory <br /> Technician: WF PR RD Manager. <br /> Laboratory <br /> Director. G <br /> STATACU2.HWrjWAL10086.30A <br /> j <br /> pill, 111!111131 <br /> � it - <br /> i <br /> i <br />