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Date; 28 January 1991 <br />Page 2 of 2 <br />Report to Western Evironmental Science & Technology <br />1046 olive Drive, Suite 3 E <br />Davis, CA 95616 <br />Attn: Joel Kiff <br />Sample Description: 7297.01/Chevron 959, Tracy/CWS-1 j <br />i <br />NCL: 92-L�1-2�9B-01A <br />Date Reeaived: 01-17-92 Date Sampled: 01-08-92 <br />. - <br />ZSRi�aLTRS�Rt"a.�imlIRGCGQaC��OC.GCi:—��JRl�S}OIiR!ffiCGZiCrrS.!'3L:'.'QSCCbi'i L^.—.. LS��SL'GM�L�$!C <br />..: <br />HAZARDOUS WASTE BIOASSAY SCREENING 'PEST <br />supporting Data, Hardness and alkalinity (run only on controls and <br />highest concentration). <br />Control 750 mg/L Units <br />#1 42 #1 12 s <br />�,---`, <br />Hardness ! <br />Initial 40 40 40 43 mgCaCO3/L <br />Hardness <br />Final 42 44 53 55 mgCaCO3/L <br />Alkalinity <br />Initial 76 76 76 76 mgCaCO3/L, <br />'4v <br />Alkalinity <br />`w r <br />K <br />Final79 79 82 80 ngCaCO3/L' <br />Fish Data: <br />Average Length: 3.3 Cm Max. Length; 3.4 cm Min Length: 3.0 cin <br />Average Weight: 0,508 Max. Weight: 0.538 Min Weight: 0.308 <br />ACClimatiZation: 5 days <br />Species: Fathead Minnow, EimenWegtro�as ! <br />Date Started: 01-20-92. <br />2 tanks per dilution, 10 fish per tank <br />Samples were maintained at 20 2 C <br />Laboratory Supervisor(s) QA O€ficer. Jesse G. Chaney, Jr.. <br />Laboratory Director . <br />