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Page 4 of 25 <br />•,`• e u rof i ns Analytical Report <br />Caiscience <br />Haz Mat Trans, Inc. <br />Date Received: <br />07/18/14 <br />230 E. Dumas <br />Work Order: <br />14-07-1269 <br />San Bernardino, CA 92408-2226 <br />Preparation: <br />N/A <br />Method: <br />CA Fish and Game <br />Project: UNIFIED GROCERS - TRUCKWASH <br />Page 1 of 1 <br />Test Species: Fathead Minnow (Pimephales Promelas) Mean Length <br />42 mm Mean Weight: 0.45 g <br />Sample Collected: 07/16/14 11:00:00 <br />Sample Received: <br />07/18/14 13:30:00 <br />Test Start: 07/20/14 13:00:00 <br />Test End: <br />07/24/14 13:00:00 <br />Initial Water Quality Parameters <br />Residual Chlorine: < 0.01 mg/L <br />Temperature: <br />20 °C <br />pH: 7.83 units <br />Conductivity: <br />910 umhos/cm <br />Dissolved Oxygen (D.O.): 7.12 mg/L <br />Alkanlinity: <br />200 mg/L <br />Hardness. 42 mg/L <br />Ammonia: <br />N/A <br />Sample Preparation <br />The sample was adjusted to test temperature. <br />Sample Adjustment During Analysis <br />No Supplemental aeration needed. <br />If needed, supplemental aeration to maintain required <br />Dissolved Oxygen level is supplied via a low pressure oil -free pump connected to individual lines for <br />each tank/chamber from a common manifold. Individual 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 Date/Time QC Batch ID <br />Analyzed <br />TRUCKWASH <br />14-07.1268.1 07/16114 Aqueous 07/20114 07124114 <br />13:00:00 <br />Parameter <br />Result Units <br />Bioassay 750 mg/L (% Mortality) <br />ND % <br />Bioassay 250 mg/L (% Mortality) <br />ND % <br />Laboratory Notes <br />Sample was received within recommended holding <br />time. <br />All testing was within method protocol. <br />LC 50 Results <br />SRT sample (mg/l_): 22.50 <br />Upper 95% confidence limit: 23.80 <br />Lower 95% confidence limit: 21.10 <br />RECEIVED <br />SEP 19 2014 <br />ENVIRONMENTAL HEALTH <br />DEPARTMENT <br />SRT: Standard Reference Toxicant. <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 <br />