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TOXICITY BIOASSAY <br /> BROWN AND CALDWELL Log No. E85-8-149-1 <br /> CONSULTING ENGINEERS <br /> L� ANALYTICAL SERVICES DIVISION Date Sampled 8/08/85 <br /> 1255 POWELL STREET Date Received 8/12/85 _ <br /> EMERYVILLE.CA 94608 Date Reported 8/26/85 <br /> PHONE(415)4282300 <br /> F <br /> Mr. Peter A. Beaver <br /> Report To: IT Corporation <br /> L <br /> CC. rat piracxor <br /> California Waste Assessment Bioassay <br /> Sample Description Carnation Waste Sump Tank <br /> Test Organism PimephaLes eromeLas, fathead minnow Source Sacramento <br /> Dilution Water Fresh Source Emeryvi lle DechLOrinatedemperature Range 15.0-17.5 °C <br /> ` Tap Water <br /> Aeration: Air_X Oxygen_ None <br /> - --- ----. - ------ ------ - <br /> Dilution <br /> 9ioassay Time, Control 0.2 /L 0.5 /L 0.8 /L <br /> Conditions hrs <br /> No. % NO. % No. % NO. % No. % NO. % No. % No. <br /> Start 10 100 10 100 10 1100 10 100 <br /> 24 10 100 10 100 10 100 10 100 <br /> Organisms 48 10 100 10 100 10 1_00 10 100_ <br /> Surviving 72 ill <br /> 0 100 10 100 10 100 10 100 <br /> 96 0 100 10 100 lb-1, 100 10 100 <br /> Start 8.6 8.6 8.6 8.5 <br /> Dissolved 24 7.9 7.7-8.1 7.2 <br /> Oxygen, 48 8.0 7.5 7.6 7.0 <br /> mg/l 72 8.4 1 7.6 8.1 7.1 <br /> 96 7.9 7.9 8.0 6.8 <br /> Start 9.0 8.9/7.4a 9.0/7.3 9.0/7.4a <br /> 24 7.6 7.4 7.3 7.0 <br /> pH 48 7.9 7.9 7.8 7.7 <br /> 72 7.4 7.7 7.6 7.5 <br /> 96 7.5 7.6 7.5 _ 7.5 <br /> Not Not <br /> RESULTS 96 hrTLm- > 0.8g/LToxicityUnits Est ablishe4centsurvival inundiluted sample App LicabLe <br /> In cases where 96 hour mortality does not equal <br /> exceed 50,in at least one dilution of the sample <br /> no TLm value is established. <br /> apli adjusted. <br /> Test Initiated: 8/14/85 <br /> 'analyst C Cor <br /> Csm <br />