Laserfiche WebLink
M B C Analytical <br />1255 POWELL STREET • EMERYVILLE. CA 94608 • (415) 428-2300 • Fax (415) 547.3643 <br />Pacific Gas & Electric <br />123 Mission Street, Rm 930 <br />San Francisco, CA 94106 <br />Report To: <br />ATTN: Mr. Mike Heckathorn <br />A <br />MAR 1 2 1992 <br />TOXICITY BIOASS <br />Log No.: E92-02-378-1 <br />Date Sampled: 02119/92 <br />Date Received: 02/19/92 <br />Date Mailed: <br />Laboratory Director <br />cc: <br />CALIFORNIA HAZARDOUS WASTE ASSESSMENT BIOASSAY: SCREEN <br />Sample Description McDondald Island Compressor <br />rest Organism Pimephales promelas, fathead minnow Source Thomas Fish CompanS <br />Dilution Water. Fresh Source Emeryville Dechlorinated Temperature Range 19.3 - 19.i <br />Tap Water 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 />Time, <br />Hrs <br />Control <br />230mg <br />0 mg <br />mg <br />Dilution <br />0 mg <br />No. % No. % No. % No. % <br />No. % No. % No. % No. <br />Start <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />24 <br />1 10 100 <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />Organisms <br />48 <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />Surviving <br />72 <br />101 100 <br />10 100 <br />10 100 <br />10 100 <br />10 100 <br />96 <br />101 100 <br />10 100 <br />101 100 <br />101 100 <br />101 100 <br />Start <br />8.7 <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 />mg/L <br />72 <br />9.3 <br />8.9 <br />9.1 <br />8.9 <br />9.3 <br />96 <br />9.2 <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 />temperature <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 />1 19.5 <br />19.6 <br />96 <br />E9 . 5-1 <br />19.5 <br />1 19.6 <br />1 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 i shed undiluted sampleNg_AAP L i c <br />"L. / l.I <br />Length of fish, cm: Max. Min. Mean <br />Weight of fish, g.: Max. 0.26 Min. 0.20 Mean <br />Annlvcl D.L. Pulliam <br />Z.4 <br />0.24 <br />In cases where 96 hour mortality does not equal or exceed <br />In at least one dilutlon of the sample. no TLm vale <br />established. <br />PG114340S9 <br />