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SEQUOIA ANALYTICAL �. <br /> 680 Chesapeake Drive • Redwood Cit CA 4 <br /> Y, 9 063 <br /> (4i 5) 364-9600 FAX (415) 364-9233 <br /> - . <br /> RESNA Escalon <br /> Client Project ID w04801,PG&E Stockton Service Ctr. Sampled: 1/12/93 <br /> 1710 Main Street Sample Descript: Water, SP2(A-D) Received: 1/15/93 <br /> Escalon, CA 95320 Analysis Method: See below <br /> Attention Lois Frantz Lab Number: 63012042 Reported: 1/25/93 <br /> STATIC ACUTE HAZARDOUS WASTE BIOASSAY <br /> Species: Pimephales promelas <br /> Static X Common Name: Fathead Minnow Organisms/Tank: 10 <br /> Cont. Flow Mean length: 38 mm Min. length: 35 Replicates: 2 <br /> Max. length: 41 Organisms/Conc.: 20 <br /> Mean weight: 0.64 g Min.weight: 0.47 Tank Depth: 13 cm <br /> Screening® Max.weight: 0.86 Tank Volume: 10 L <br /> Definitive Supplier: Sticklebacks Unlimited <br /> Acclimation Temp.: 20 degrees C <br /> Dilution Water: Synthetic Softwater Alkalinity, mg Hardness, mg <br /> Initial Final Initial Final <br /> Control 38 34 44 50 <br /> 1000 ppm 36 36 52 54 <br /> Duplicate 1000 ppm 35T7 52 50 <br /> Initial 24 Hr 48 Hr 72 Hr 96 Hr <br /> DATE 1/20/93 1/21/93 1/22/93 1/23/93 1 1/24/93 <br /> FDO C pH DO C pH #M DO C pH #M DO C pH # M DO C pH #M Total <br /> Temp Units mg/LIT mp <br /> g/L Temp Units Dead mg/L Temp Units Dead mg/L Temp Units Dead16.3 <br /> mg/LTemp]Units Dead Dead <br /> Control 9.2 20 7.4 7.0 19 6.8 0 7.0 20 6.8 0 6.8 19 7.0 0 6.2 19 6.9 0 0 <br /> 100 ppm 9.2 20 7.4 7.6 19 6.9 0 20 6.7 0 7.1 19 7A 0 7.1 19 7.0 0 0 <br /> 180 ppm 9.1 20 7.4 7.7 19 7.0 0 20 6.8 0 6.5 19 7.0 0 19 7.0 0 0 <br /> 320 ppm 9.2 20 7.4 7.6 19 7.0 0 20 6.8 0 6.7 19 7.0 0 6.1 19 7.0 0 Q <br /> 560 ppm 9.2 20 7.5 7.5 19 7.0 0E6. 20 6.8 0 6.7 19 7.0 Q 6.0 19 6.9 0 0 <br /> 1000 ppm 9.2 20 7.6 7.8 19 7.1 0 20 16.81 0 6.3 19 17.01 0 15.71 19 7.0 Q 0 <br /> Duplicate DOFC pH DO C pH !# M DO C pH #M DO C pH #M DO C pH #M Total <br /> mg/L Temp Units mg/L Temp Units Dead mg/L Temp Units Dead mg/L Temp Units Dead mg/L Temp Units Dead Dead <br /> Control 9:2 20 7.4 17.0 19 6.8 0 7.0 20 6.8 0 6.8 19 7.0 0 6.2 20 6.9 0 0 <br /> 100 ppm 9.2 20 7.4 7.7 19 7.0 0 6.6 20 6.8 0 6.7 19 7.0 0 6.4 20 6.9 0 0 <br /> 180 ppm 9.2 20 7.4 7.7 19 7.0 0 6.1 20 6.7 0 7.1 19 7.0 0 6.9 20 7.0 0 0 <br /> 320 ppm 9.2 20 7.4 7.6 19 7.0 0 6.8 20 6.8 0 6.9 19 7.0 0 C59 <br /> 20 7.0 0 0 <br /> 1560 ppm 9.2 20 7.5 7.9 19 7.1 0 7.0 20 6.9 0 6.3 19 6.9 0 20 6.9E <br /> 0 <br /> 1000 ppm 9.3 20 7.6 7.8 19 7.1 0 fi.4 20 6.8 0 6.4 19 7.0 0 20 7.0 0 <br /> LC-50: > 1000 ppm <br /> LC-50 Dup: > ppm LC-50 Calculation Method: Moving average angle <br /> Remarks: <br /> Analyst: D. George / Method Reference: Static Acute Bioassay Procedures for Hazardous Waste Samples, <br /> N. Northey September 1987, California Department of Fish and Game WPCL <br /> SEQUOIA ANALYTICAL <br /> i L e <br /> P oject Manager 833012N2.WAT <1> <br />