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t. <br />Ti <br />Time, <br />HfS <br />• yye . �6 <br />e 1 e s e e <br />Log No.: <br />ELM B C AlLalytLCal <br />1255 POWELL STREET • EMERYVILLE. CA 94608 • (415) 428.2900 • Fax (415) 547.3645 <br />1'Ir17 \ 1 2 1992 <br />TOXICITY BIOASS <br />CALIFORNIA HAZARDOUS WASTE ASSESSMENT BIOASSAY: SCREEN <br />=ample Description McDondald Island Compressor <br />est Organism Pimephales promelas , . fathead minnow Source Thomas Fish Company <br />Mution Water Fresh Source Emeryville Dechlorinated Temperature Range 19.3 - 19.7 <br />Tap Nater with Matrix Modifiers <br />aeration: Air X Oxygen None _ Test initiated 02.27.92 Control initial hardness 43 mg/L <br />Bioassay <br />Conditions <br />Ti <br />Time, <br />HfS <br />Control <br />Log No.: <br />E92-02-378-1 <br />mg <br />Pacific Gas &Electric <br />No. % No. % No. % No. % <br />No. % No. % No. % No. <br />Start <br />123 Mission Street, Rm 930 <br />Date Sampled: <br />02/19/92 <br />10 100 <br />San Francisco, CA 94106 <br />24 <br />Date Received: <br />02/19/92 <br />Report To: <br />10 100 <br />10 100 <br />Date Mailed: <br />48 <br />10 100 <br />ATTN: Mr. Mike Heckathorn <br />10 100 <br />10 100 <br />4 <br />10 100 <br />Laboratory Olrector <br />cc: <br />10 100 <br />10 100 <br />96 <br />CALIFORNIA HAZARDOUS WASTE ASSESSMENT BIOASSAY: SCREEN <br />=ample Description McDondald Island Compressor <br />est Organism Pimephales promelas , . fathead minnow Source Thomas Fish Company <br />Mution Water Fresh Source Emeryville Dechlorinated Temperature Range 19.3 - 19.7 <br />Tap Nater with Matrix Modifiers <br />aeration: Air X Oxygen None _ Test initiated 02.27.92 Control initial hardness 43 mg/L <br />Bioassay <br />Conditions <br />Ti <br />Time, <br />HfS <br />Control <br />250 mg <br />mg <br />mg <br />Dilution <br />mg <br />No. % No. % No. % No. % <br />No. % No. % No. % No. <br />Start <br />100 <br />10 -1T0- <br />10 100 <br />24 <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />Organisms <br />Surviving72 <br />48 <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />10-1-00 <br />10 100 <br />10 100 <br />10 100 <br />96 <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />Start <br />8 • <br />8.4 <br />8.3 <br />8.4 <br />8.1 <br />Dissolved <br />24 <br />9.2 <br />9.1 <br />8.8 <br />8.9 <br />8.7 <br />Oxygen <br />48 <br />9.3 <br />9.3 <br />9.3 <br />9.2 <br />9.4 <br />mg1L <br />72 <br />9.3 <br />8.9 <br />9.1 <br />8.9 <br />9.3 <br />96 <br />9.Z <br />9.0 <br />9.2 <br />8.9 <br />9.0 <br />Start <br />8.0 <br />8.0 <br />8.0 <br />8.0 <br />7.9 <br />24 <br />8.0 <br />8.0 <br />8.1 <br />8.0 <br />8.0 <br />pH <br />48 <br />7.9 <br />7.9 <br />7.9 <br />7.9 <br />7.9 <br />72 <br />7.6 <br />7.8 <br />7.7 <br />7.8 <br />7.8 <br />96 <br />7.8 <br />7.9 <br />8.0 <br />7.9 <br />7.9 <br />Start <br />19.5 <br />19.3 <br />19.5 <br />19.4 <br />19.4 <br />24 <br />19.6 <br />19.6 <br />19.7 <br />19.7 <br />19.7 <br />emperature <br />48 <br />19.5 <br />19.5 <br />19.5 <br />19.6 <br />19.7 <br />72 <br />19.5 <br />19.5 <br />19.6 <br />19.5 <br />19.6 <br />96 <br />19.5 <br />19.5 <br />19.6 <br />19.7 <br />19.7 <br />RESULTS <br />TLm• <br />>750 mg L <br />Not Applicable 95% confidence Percent survival in <br />Toxicity Units limits of TLm No t Est ab L 1 shed undiluted sampleNo t AppL i c <br />Length of fish, cm: Max. <br />Weight of fish, g.: Max. <br />Anniv-zf D.L. Pulliam <br />Min. <br />0.26 Min 0.20 <br />Mean • In cases where 96 hour mortality does rat equal or exceed <br />0.24 In at bast one dilution of the sample. no TLm vah <br />Mean established. <br />PGhi434059 <br />