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Page 4 of 29 <br />a A eur®fins j Analytical Report <br />Caiscience <br />Haz Mat Trans. Inc. <br />Date Received: <br />07/18/14 <br />230 E. Dumas <br />Work Order: <br />14-07-1268 <br />San Bernardino, CA 92408-2226 <br />Preparation: <br />N/A <br />Method <br />CA Fish and Game <br />Project UNIFIED GROCERS - HOLDING TANK <br />Page 1 of 1 <br />Test Species: Fathead Minnow (Pimephales Promelas) <br />Mean Length: 42 mm <br />Mean Weight 0.45 g <br />Sample Collected: 07/16/14 11:30:00 <br />Sample Received: 07/18/14 13:30:00 <br />Test Start: 07/20/14 13:00:00 <br />Test End: 07/24/14 13:00:00 <br />Initial Water Quality Parameters <br />Residual Chlorine: < 0.01 mg/L <br />Temperature: 20 °C <br />pH: 7.84 units <br />Conductivity: 920 umhos/cm <br />Dissolved Oxygen (D.O.): 7.1 mg/L <br />Alkanlinity: 202 mg/L <br />Hardness: 42 mg/L <br />Ammonia: 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 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 manifold. Individual valves at each tank/chamber control the flow rate as required. <br />Client Sample Number Lab Sample Number Date Collected Matrix Date Prepared <br />Date/Time QC Batch ID <br />Analyzed <br />HOLDING TANK 14-07-1268-1 <br />07/16/14 Aqueous 07/20/14 <br />07/24/14 <br />13:00:00 <br />Parameter Result <br />Units <br />Bioassay 750 mg/L (% Mortality) ND <br />% <br />Bioassay 250 mg/L (% Mortality) ND <br />% <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): 22.50 <br />Upper 95% confidence limit: 23.80 <br />Lower 95% confidence limit: 21.10 <br />SRT: Standard Reference Toxicant. <br />SEP 19 2014 <br />ENVIRONMENTAL HEALTH <br />DEPARTMENT <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL: (714) 895-5494 • FAX: (714) 894-7501 <br />