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JI <br /> t; <br /> - TOXICITY BIOASSAY <br /> -BROWN AND CALDWELL <br /> ;¢ Log No. E85-8-149-1 <br /> CONSULTING ENGINEERS <br /> ANALYTICAL SERVICES DIVISION <br /> ii Date Sampled 8/08/85 <br /> 1255 POWELL STREET jl Date Received 8/12/85 <br /> EMERYVILLE.CA 94608 i _ <br /> PHONE(415)428.2300 Date Reported 8/26/85 <br /> i <br /> ii <br /> Mr. Peter A. Beaver i <br /> Report To: IT Corporation ;j 3 <br /> CC. rato Director 1 <br /> California Waste Assessment Bioassay <br /> ----- ii <br /> ff. <br /> Sample Description n p Carnation Waste Sump Tankl <br /> Test Organism Pimephales promelas, fathead minnow ' Source Sacramento <br /> Dilution Vater Fresh Source Emeryvi lle Dechlorinateetemperature Range 15.0-17.5 'C <br /> Tap Water ; <br /> I <br /> -\eration: Air_X Oxygen_ None <br /> Bioassay Time, Control <br /> Dilution <br /> ::onditions hrs 0.2 /L 0.5 /L 0,8 g/L i <br /> No. No. ?� No. °b No. I °11 No. % No. °b No. °% No. <br /> Start 10 j 10_0 1 10 1 100_ 10 100 10 1 100 <br /> 211 10 j 100 110 1 100 1 10 iloo j 10 1 100 <br /> Organisms <br /> 1 48 10 1 -100 1 10 i 100 1 10 i 1_00_ 10 j 100 j t <br /> Surviving' I �_----r 1 <br /> 72 10 j:. 100 i 10 j 100 '; 10 1100 1 10 100 !l ' <br /> 96 10 1100 10 1 100- 1 10 ! 100 110 1 100 it <br /> Start 8.6 1 8.6 8._6 118.5 it I <br /> Dissolved 24 7.9 i 7.7 8.1 1 7.2 lI 1 <br /> Oxygen, 48 <br /> mg/I 80 7"5 7.6 7.0 <br /> 72 8.4 7.6 8.1 7.1 I <br /> 96 7.9 7.9 8.0 6.8 - <br /> Start9.0 8.9/7.4a 9.0/7.3 9.0/7.4a 3I ! <br /> 24 7.6 7.4 7.3 7.0 ii 1 <br /> pH 48 7.9 7.9 7.8 7.7 .1 <br /> 72 7.4 7.7 7.6 7.5 1! I <br /> 96 7.5 7.6 <br /> 7.5 7.5 <br /> ESU LTS <br /> -- <br /> Not ; ----- Not96 <br /> ---- ---- ----- t <br /> hrTLrn > 0.8 g/lToxicityUnits-Establishedreentsurvivai'LnunclilutedSampleApp-Lis-ab Le I <br /> In cases where 96 hour mortality does not equal <br /> ,1 exceed 50`_in at least one dilution of the sample <br /> no TLm value is estahlished. <br /> a ?i } <br /> pH adjusted. 11 1 <br /> J 1 <br /> s i <br /> Test Initiated: 8/14/85 9 E <br /> l <br /> it <br /> •I <br /> analyst r Cox j <br /> t <br /> • 4 <br /> Csm <br />