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m <br /> N ~;NYIRONMF,NTAL <br /> d - 0rpor1t101 St. - P.O. Box 272 r Q 1 <br /> Santa Paula, California 93060 <br /> 6 HOUR STATIC BIOASSAY - TITLE 22 SCREEN j O <br /> November 1, 1990 <br /> Lab No. 32292-2 <br /> Client: Sen Joaquin County D.A.'s Office <br /> P.O. Box 990 <br /> Stockton, CA 95205 <br /> Sample Description: PIP 2 Photo Mach. Transfer F <br /> Sampled by: Doug Wilson Date Sampled: 9/28/90 Date Retaived: 9128/90 Date Analyzed: 10/15/90 Date Coipleted:10/19/90 <br /> REPORT OF ANALYSIS <br /> est Initial Z4 tirs. 48 Mrs. 72 hrs. rs. FINAL INITIAE <br /> Coo'c. pH DO Tamp. No. pH D1 Temp. No. pH 00 Temp. No. pH DO Temp. No. pH DO Temp. % CSC09 met/1 <br /> mg/L mg/1 °C Dead mg/1 °C Dead mg/1 °C Dead mg/1 "C Dead J Mull "C Mortality a- n - <br /> linity ness <br /> Control 7.6 9.7 17 0 7.3 9.2 15 0 7.2 8.6 16 0 7.2 8.4 16 0 7.2 8.4 16 0 30 41 <br /> 250 7.6 9.7 17 0 7.7 8.9 15 0 7.5 8.9 16 0 ' 7.5 8.7 16 0 7.4 8.7 16 0 30 46 <br /> w 250 D 7.6 9.8 17 0 7.7 8.4 15 0 7.4 8.4 16 0 7.5 8.6 16 0 7.4 8.6 16 0 30 45 <br /> 750 7.6 9.9 17 0 9.1 8.6 15 0 6.0 8.5 16 0 7.7 8.7 16 0 7.7 8.7 16 D 30 47 <br /> qa 750 D 7.6 9.8 11 0 9.9 9.7 15 0 7.8 8.8 16 0 7.1 8.7 16 0 1.6 8.1 16 0 32 44 <br /> i Duplicate • Volume by neigh t <br /> USpecies: Fathead Ninnow Ave. Length: 3.91 cn Max. Length: 4.5 cm Min. Length: 3.5 cm Avg. Weight: 1.04g Max. Weight: 1.41 a Nin. Weight: 0.88 0 <br /> Number of test animals per concentration: 10 Volume of test solution; 10 Liters Depth: 12.5 to Type Aeration: Continuous <br /> Acclimatization 7 days at 17 °C. Percent dead in acclimatization tank Less than 1 Water Source Delonized + Minerals <br /> m LC60 Greater than 604 L Dilution Wa r Source Acclimation Nater <br /> Analyst- -- -- -- -- anr.W -H ML. - - - --- <br /> A vwsta sample is designated as hazardous (Section 4, Chapter 30, Article 11 of <br /> Title 22 of the California Administrative Code) if the LC50 is lass than 500 mg/liter. <br /> m <br />