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:N7 HY:SEQUOIA-Concord, 3- °-q2 :11 : 29AM <br /> ` SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue a Sulte LM Concord Cellfornia 94520 <br /> watt'•':. p:G a �ft. �y�y� � �h3^ - <br /> s��. ��iJPJ". CfW97'I- £: � £.w''R{�{... �...•'•�'3ia?F'�`;�DA2� <br /> gL} IfE++J r r <br /> merrttSIT, 8vclates pact ICf: 0067 Sump : 6 25, 1 <br /> 0;1-0. Box 2242 Matrix Descrlpt: $oil Received: Feb 28, 1992.' <br /> R.Airced,CA 95344 Analysis Method° SM 5520 F&F (Gravimetric) Extracted: Feb 28, 1992E, <br /> entlort: Kevin Koehn First Sample : 202-0957 Analyzed: Feb 27, 19921 <br /> Reported: Mar 2, 1992> <br /> 'r:<a:.KFfii,3'f,9 c•.:r>.0 ,S;k;y;: Y 'f t 'S, ye;e;*; .or q:f s'4- -vy}'n ?;I•;Pr rr s �r.n r.e.:.k„..;e} se-- x o i :,s:r t r�i. v,ts.n Sg:?•. n r r4 t;e;x;x,;>,;.�; r,R'9;x'•s,g:l'c'E'V'' - <br /> 1� TOTAL RECOVERABLE PETROLEUM OIL <br /> LSample sample Oil & Grease <br /> Number Description mg/kg <br /> (ppm) <br /> '. L 202-0957 West Wall 1,300 <br /> L202.0958 Bottom 44,000 <br /> 202-095q <br /> North Wall N.D. i <br /> L202-4960 South WO 300 <br /> 202-0981 Eayxt Wall 3,90Q <br /> L <br /> • <br /> L <br /> L <br /> ; L <br /> L <br /> t+,..tection Limits: 30 <br /> l NIO192 reported as N.D,waro not present above the stated Pmrt of detection. <br /> � i <br /> 1 OUOIA ANALYTICAL <br /> ott A. Chleffo <br /> froJect Manager <br />