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Sequoia 680 Chesapeake Drive Etedw�` Clry CA 94063 (b50}364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane tin4eek,CA 94SL98' l'f(925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Straker Avenue Suite 8 Sacra entQ�,-CA 9�834� (916)J9_A�-9600 FAX(916)921-01D0 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> ttler-Ryan - Dublin Client Protect ID 3202 W Hammer Ln,Siocktton j ?J, Sampled Dec 7, 1998 <br /> 6747 Sierra Court, Suite J Sample Descript Water,Water-FfP Received Dec 8, 199813 00 <br /> Dublin, CA 94568 Analysis Method See below - R-f\ Y ?",!\ I NC. <br /> Attention Doug Lee Lab Number 812-0639 rr" �_;,� -peported Dec 15, 1998 <br /> STATIC HAZARDOUS ABBREVIATED SCREEN BIOASSAY <br /> Species Pimephales promelas <br /> Common Name Fathead Minnow Organisms/Tank 10 <br /> Organisms/Cont 20 <br /> Min length 28 mm Tank Depth 13 cm <br /> Mean length 32 mm Max length 35 mm Tank Volume 10 L <br /> Min weight 0 24 g Acclimation Temp 19 °C <br /> Mean weight 032 g Max weight o 47 g Supplier Sticklebacks Unlimited <br /> Dilution Water Synthetic Softwater <br /> Hardness 40-48 Alkalinity, mg/L Hardness, mg/L <br /> Initial Final Initial Final <br /> Control 29 29 41 42 <br /> 750 ppm 31 30 44 45 <br /> Duplicate 750 ppm 30 30 43 44 <br /> Initial 24 Hr 48 Hr 72 Hr 96 Hr <br /> .DATE 12/8/98 12/9/98 12/10/98 12/11/98 12/12/98 <br /> DO C C pH # M DO C pH # M DO C pH * M DO C pH # M Total <br /> mg/ Tem Tem Units Dead mg/ Tem Units Dead mg/ Tem Units Dead mg/ Tem Units Dead Dead <br /> Control 92 19 77180 19 74 0 73 19 74 0 71 19 73 0 64 19 72 0 0 <br /> 750 ppm 93 19 19 74 0 75 19 73 0 73 19 72 0 65 18 72 1 0 0 <br /> 250 ppm 93 19 77 80 19 74 0 1 74 19 72 0 1 75 19 72 0 1 66 18 72 01 0 <br /> Duplicate <br /> 750 ppm 94 19 77 80 19 74 0 1 75 19 72 0 72 19 72 0 651 181 72 1 Ffl 250 ppm 94 19 77 81 19 74 0 75 19 72 0 74 19 72 1 65 18 72 1 <br /> Pass X Fail <br /> Remarks The screen falls if > 40% of the fish die in the 750 ppm concentration <br /> Analyst K Anderson/ Method Reference Static Acute Bioassay Procedures for Hazardous Waste Samples, <br /> M Kosovskiy November 1988, California Department of Fish and Game WPCL <br /> E JQ'UOIA ANALYTICAL, #1271 <br /> ullanne Fegley <br /> Project Manager 812-0639 GET <1> <br /> R <br />