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t ' ` Sequoia 680 Chesapeake Drivt Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue,Suite L Concord CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> Analytical 819 Straker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Gettler Ryan/Geostrategles Client Project 1D Unocal Well Dev 9827 Sampled 7/24/94 <br /> 3035 Prospect Park Dr, Ste 80 Sample Descnpt U-2 Received 7/25/94 <br /> Rancho Cordova, CA 95670 Analysis Method See below <br /> Attention Steve Carter Lab Number 4GC7401A Reported 8/2/94 <br /> STATIC HAZARDOUS ABBREVIATED SCREEN BIOASSAY <br /> Species Pimephales promelas <br /> Common Name Fathead Minnow Organisms/Tank 10 <br /> Organisms/Cone 20 <br /> Min length 25 mm Tank Depth 13 cm <br /> Mean length 28 mm Max length 3o mm Tank Volume 10 L <br /> Min weight Uzi g Acclimation Temp 19 °C <br /> Mean weight 030 g Max weight 032 g Supplier Stickfebacks Unlimited <br /> Dilution Water Synthetic Hardwater <br /> Moderately Hardwater Alkalinity,mg/L Hardness,mg/L <br /> 5oftwater Initial Finalnitro ina <br /> Control 23 26 44 46 <br /> 750 ppm 27 30 38 40 <br /> Duplicate 750 ppm 27 32 38 38 <br /> Initial 24 Hr 48 Hr 72 Hr 96 Hr <br /> . DATE 7/26/94 7/27/94 7/28/94 1 7/29/94 7/30/94 <br /> DO C pH DO C pH # M DOC 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 12 19 77 96 19 76 0 93 19 76 0 90 19 76 0 48 19 68 0 0 <br /> 750 ppm 11 19 77 10 19 77 0 98 19 77 0 96 19 76 0 97 19 74 0 D <br /> 100 ppm 11 19 76 10 1 19 76 0 197 19 76 0 95 19 76 0 96 19 74 0 0 <br /> Duplicate <br /> 750 ppm 1 11 19 77 199 1 19 76 1 D 199 19 76 0 1 94 1 19 1 75 1 0 1 93 19 73 1 0 0 <br /> 100pprn 11 19 77 11 19 77 0 10 19 77 2 96 19 76 0 95 19 74 0 2 <br /> Remarks This screen passed <br /> Analyst M Otte Method Reference. Static Acute Bioassay Procedures for Hazardous Waste Samples, <br /> Kuhn eptem er 1987, California epartment of Fishand Game <br /> 46EQUOIA NALYTICAL <br /> J <br /> Todd Olive <br /> Project Manager 4GC7401A GET <1> <br />