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SEQUOIA -�►NALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 <br /> (510) 686-9600 • FAX (510) 686-9689 <br /> .... ..h 'S-h'.'"hq.W.h:-SN: :hY....h.:,:..4............:...................... .. .:::.:.n:...... :F ry•.e} .:::.:?'...vv:x:.v:.:-..:. <br /> iitw:ii:::-.v.ririr..y;?:4:. :.w....:v:v:n-�:.n ...:..........................................::w:....:r::::i:::: <br /> 0:.::;L:�::S.:-r.;;:. <br /> EA Engineering Science&Tech. Client Project ID: EA-92-1/Arco#548/Stockton Sampled: Mar 24, 1992 <br /> >Y41-A Lafayette Circle Sample Descript: Soil, S131-0 Received: Mar 26, 1991 <br /> «Lafayette, CA 94549 Analysis Method: See below <br /> Attention: Brian Thomas Lab Number: 2031136 (duplicate} Reported: Apr 3, 1992 <br /> ::y :.e.;;.%.�: ASM:'."!:x•:.:.,.:.vr.'Y P'rr.-.vrrv-:...v,::v:n.:..:-.:...::-v::::..v...ti: ....::::::. <br /> ......:.,.,.. v: v:.:::,. .v:.......: ::S!.^.::::^::^:^:i:!?::-?.:i.::?:r:xv.':i':.:h::.:vr•}:.i?:.i:::.T]:c5•?:i::.:::.T:.::::::............ <br /> C::$rii1J:<:$::tii:..'v .....\::i.:.. ,:.v:..:....v.._..v....n.....n......n:.........v..v...........,nnn..n':0:::.;. <br /> STATIC ACUTE HAZARDOUS WASTE BIOASSAY <br /> Static X Species: Pime hales promeles Organisms/Tank: 10 <br /> 'Cont. Flow Common Name: Fat Head Minnow Replicates: 2 <br /> Mean length: 39 mm Organisms/Cone.: 20 <br /> Mean weight: 0.7 g Tank Depth: 13 cm <br /> ScreeningPx <br /> Supplier: Sticklebacks Unlimited Tank Volume: 10L <br /> Definitive Acclimation Temp.: 19 degrees C <br /> Alkalini , m L Hardness, m L <br /> ' Initial Final Initial Final <br /> Control 33 34 43 44 <br /> Dilution Water. Synthetle Saftwater 100 ppm 34 35 43 44 <br /> ' 320 ppm 36 37 46 47 <br /> 1000 ppm F41-1 42 50 51 <br /> Initial 24 Hr 48 Hr 72 Hr 96 Hr <br /> IODATE 3/27L92 3 28 92 3/29/92 3 30 92 3/31/92 <br /> DO C pH DOC pH # M DO C pH #M DO C pH # M DO CJ pH lad 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 <br /> Control 7.4 19 7.1 7.7 18 7.1 0 6.8 18 7.1 0 7.8 19 7.1 0 7.4 20 7.1 0 <br /> 100 m 7.7 19 7.1 7.8 18 7.1 0 7.5 18 7.1 0 7.2 19 7.1 0 7.3 20 7.1 0 <br /> 180 m 8.6 19 7.1 8.5 18 7.1 0 8.4 18 7.1 0 7.7 19 7.2 0 7.6 20 7.2 0 <br /> 320 m8.5 19 7.1 8.4 18 7.1 0 8.8 18 7.1 0 8.3 19 7.3 0 8.1 20 7.2 0 <br /> 560 m 8.7 19 7.28.7 18 7.2 0 8.0 18 7.2 0 7.9 19 7.3 0 7.8 20 7.3 0 <br /> 1000 m8.2 19 7.2 8.0 18 7.2 0 8.1 18 7.2 0 7.6 19 7.3 0' 7.7 20 7.3 0 <br /> LC-50: >1 000 ppm LC-50 Calculation Method: Moving average angle <br /> Remarks: <br /> 1 <br /> Analyst: D. George Method Reference: Static Acute Bioassay Procedures for Hazardous Waste Sam les, <br /> 1 Septem September 1987, California Department of is an�ame�er 1987, al ornia epartment of Is and Game <br /> p OIA ANALYTICAL <br /> Scott A. Chieffo #2031136.EEE <3> <br />