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• <br />Date: 28 January 1992 <br />Page 1 of 2 <br />Report to: Western Environmental Science & Technology <br />1046 olive Drive, Suite 3 <br />Davis, CA 95616 <br />Attn: Joel Kiff <br />Sample Description: 7297.01/Chevron 959, Tracy/CWS-1 <br />NCL #: 92-01-288-01A <br />Date Received: 01-17-92 Date Sampled: 01-08-92 <br />CC.s�C�.::..�leyC�'J^ iC1.�C=�C�11r1lECC'�T•AI��C:ialsRw�.�.s�'lbCC"".lfl.'.�oioil��"i: C.la�=-S�m1Al..��C.'iR!!y^.. <br />HAZARDOUS WASTE BIOASSAY SCREENING TEST <br />Supporting Data: <br />Control 250 mg/L 750 mg/L Units <br />^'I A/ AM - C A V 7!5'1 R 9'T_c.911 <br />#1 #2 <br />#2 <br />initial <br />pH <br />7.6 7.6 <br />7.6 <br />7.6 <br />7.6 <br />7.6 pH units <br />DO <br />9.2 9.4 <br />9.6 <br />9.6 <br />9.2 <br />9.2 mg/L <br />24 Nour <br />PH <br />7.5 7.5 <br />7.6 <br />7.6 <br />7.7 <br />7.7 pH units <br />DO <br />8.4 8.5 <br />8.8 <br />8.8 <br />9.0 <br />8.8 mg/L <br />Total dead <br />0 0 <br />0 <br />0 <br />0 <br />0 <br />48 Hour <br />PH <br />7.6 7.7 <br />7.7 <br />7.8 <br />7.8 <br />7.8 pH units <br />DO <br />8.8 8.8 <br />9.0 <br />9.2 <br />9.2 <br />9.1 mg/L <br />Total dead <br />0 0 <br />0 <br />0 <br />0 <br />0 <br />72 Hour <br />PH <br />7.3 7.4 <br />7.6 <br />7.6 <br />7.6 <br />7.6 pH units <br />DO <br />7.7 7.6 <br />8.4 <br />8.4 <br />8.4 <br />7.9 mg/L <br />Total dead <br />0 0 <br />0 <br />0 <br />0 <br />0 <br />96 Hour <br />PH <br />7.5 7.5 <br />7.6 <br />7.6 <br />7.6 <br />7►6 pH units <br />DO <br />8.5 7.8 <br />8.0 <br />8.2 <br />8.3 <br />8.2 mg/L <br />Total dead <br />0 0 <br />0 <br />0 <br />0 <br />0 <br />Survival <br />100% 100$ <br />100% <br />100% <br />I00t <br />100% <br />Fish Data: <br />Average <br />Length: 3.3 em <br />Max. <br />Length: 3.4 <br />cm <br />Min. Length: 3.0 cm <br />Average <br />Weightt 0.50g <br />Max. <br />Weight: 0.53g <br />Min. Weight: 0.309 <br />Acclimatization: <br />5 days <br />Species: <br />Fathead Minnow, <br />h <br />a <br />Date Started: <br />01-20--92 <br />2 tanks <br />per dilution, 10 <br />fish <br />per tank <br />Samples <br />were maintained <br />at 20 <br />± 2 C <br />Jessie G. Chaney, Jr. <br />Laboratory Supervisor(s) <br />QA4 <br />.peer <br />Laboratory Director <br />^'I A/ AM - C A V 7!5'1 R 9'T_c.911 <br />