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tiff• eurofins <br />Calscience <br />Analytical Report <br />Page 4 of 10 <br />Pace Analytical <br />Date Received: <br />10/07/17 <br />2795 2nd Street, Suite 300 <br />Work Order: <br />17-10-0556 <br />Davis, CA 95618-6505 <br />Preparation: <br />N/A <br />Method: <br />CA Fish and Game <br />Project: UPRR Stockton, CA / 12 f18347 <br />Page 1 of 1 <br />Test Species: Fathead Minnow (P mephales Promelas) Mean Length: <br />43 mm <br />Mean Weight: 0.47 g <br />Sample Collected: 10/05/17 16:30:00 <br />Sample Received: <br />10/07/17 10:10:00 <br />Test Start: 10/10/17 17:00:00 <br />Test End: <br />10/14/17 17:00:00 <br />Initial Water Quality Parameters <br />Residual Chlorine: < 0.01 mg L <br />Temperature: <br />19.9 °C <br />pH: 8.31 units <br />Conductivity: <br />920 umhos/cm <br />Dissolved Oxygen (D.O.): 7.13 mg/L <br />Alkanlinity: <br />210 mg/L <br />Hardness: 42 mg/L <br />Ammonia: <br />Omg/L <br />Sample Preparation <br />The sample was adjusted to test temperah re. <br />Sample Adjustment During Analysis <br />No Supplemental aeration needed. <br />If needed, supplemental aeration to mainta n required Dissolved Oxygen level is supplied via a low pressure oil -free pump <br />connected to individual lines for <br />each tank/chamber from a common manifo d. Individual <br />valves at each tank/chamber control the flow rate as required. <br />Client Sample Number <br />Lab Sample Number Date Collected Matrix <br />Date Prepared <br />Date/Time QC Batch ID <br />Analyzed <br />WC-1(a,b,c,d)-100517 <br />17-10-0556-1 10/05/17 Solid <br />10/10/17 <br />10/14/17 <br />17:00:00 <br />Parameter <br />Result Units <br />Bioassay 750 mg/L (% Mortality) <br />0 % <br />Bioassay 250 mg/L (% Mortality) <br />0 % <br />Laboratory Notes <br />Sample was received within recommended holding time. <br />All testing was within method protocol. <br />LC 50 Results <br />SRT sample (mg/L): 24.50 <br />Upper 95% confidence limit: 26.00 <br />Lower 95% confidence limit: 23.00 <br />REC <br />U'. �_, t? 0 2017 <br />ENVIRONMENTAL <br />DEPARTMENT <br />SRT: Standard Reference Toxicant. <br />Page 20 of 26 <br />7440 Lincoln Wa , Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 <br />