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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City, CA 94063 <br /> • (415) 364-9600 FAX(415) 364-9233 7? <br /> A'A'A��'~rrxnh }'�14F?�n amM�v r v f F • M1 J.+n}kvvy`i bfx}ry,l... hhx},vJ r vvv v t C � ti�' 4 .r v» <br /> <RESNA Client Project ID W0388, Reeves Exaon/Tracy am led 4 <br /> ,1710 Main Street Sample Descnpt Soil,SPI-A-C,SP2-D Comp ecelved 4/24/92 <br /> l Escalon, CA 95320 Analysis Method See below Y <br /> 1'1`Attention Greg Stahl lab Number 2044326 (duplicate) Reported 5/7/92 <br /> mrvn+nr}}i}r n Sr r rm nnrr rr r 1^+ +�r St... • x tvx rr " • • r+>cx a4 v }{M1M1r x+ v rr r krcro,x x x rwv2 x nrrr w 3l xS9t v Yr4v-n4nVie..rrx.A�wi•a rr} <br /> STATIC ACUTE HAZARDOUS WASTE BIOASSAY <br /> Staticm Species Plmephales promelas Organisms/Tank 10 <br /> Cont Flaw Common Name Fathead Minnow Replicates 2 <br /> Mean length 24 mm Organisms/Conc 20 <br /> Mean weight 0 25 g Tank Depth 13 cm <br /> Screening® Supplier 3-ticrClebacks Unlimited Tank Volume 10 I— <br /> Definitive Acclimation Temp 20 degrees <br /> Alkalin , mqZL Hardness, m L <br /> Initial Final Initial Final <br /> Control 34 35 50 51 <br /> Dilution Water Synthetic Softwater 100 ppm 35 35 51 51 <br /> 320 ppm 37 37 52 53 <br /> 1000 ppm 39 40 58 1 57 <br />•} initial 24 Hr 48 Hr 72 Hr 96 Hr <br /> DATE 429 92 4/30/92 5 1 92 5 2 92 5/3/92 <br /> V <br /> CpH DO C pH # M DO C pH # M DO C pH #M DO C pH #M Total <br /> emp Units mg L emp Units Dead mg L Temp Units Dead mg/L Temp Units Dead mg/1-Temp Units Dead Dead <br /> Control 8 5 20 73 83 20 73 0 71 20 72 0 70 20 73 0 71 20 71 0 0 <br /> 900 m 90 20 74 89 20 76 0 71 20 73 0 71 20 72 0 70 20 71 0 0 <br /> 180 m 89 20 175 87 20 760 78 20 74 0 75 20 72 0 72 20 70 0 0 <br /> 320 ppm , 89 20 76 88 20 1771 0 170 20 74 0 69 20M73 <br /> 0 69 20 73 JO <br /> 0 <br /> 560 m 89 20 76 87 20 77 D 72 20 74 0 71 200 70 20 71 0 <br /> 1000 m 81 20 76 77 20 76 0 67 20 74 0 67 200 69 20 73 0 <br /> LC-50: >1 000 ppm LC-50 Calculation Method Moving average angle <br /> Remarks <br /> Analyst D George Method Reference Static Acute Bicassay Procedures for Hazardous Waste Samples, <br /> diem er 1987, a i ornia Department of Fishand Liame <br /> SEQUOIA ANALYTICAL <br /> 1A9/0 A <br /> r Lee <br /> oject Manager Page 2 of 2 A2044326 wAT <2> <br />