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5 I L GhromaLab <br />Environmental Services (CA 1094) <br />To: P.G.& E -Walnut Creek <br />Attn: Bryan Nicholson <br />aunmissron M 2001-07-0131 <br />Test Method: 8015M <br />Prep Method: 3510/8015M <br />Batch QC Report <br />Total Extractable Petroleum Hydrocarbons (TEPH) <br />Laboratory Control Spike (LCS/LCSD) Water QC Batch # 2001/07/10-02.10 <br />LCS: 200.1/07/10-02.10-002. Extracted:,,=07/10/2001.10:49 - :Analyzed 07/10/2001 17:24. <br />LCSD: 2001/07/10-02.10-003 Extracted: 07/10/200110:49 Analyzed 07/10/200118:03 <br />Compound <br />I <br />Conc. [ ug/L ] <br />Exp.Conc. [ ug/L ] <br />Recovery [%] <br />RPD <br />[%] <br />Ctrl. Limits [%] <br />Flags <br />LCS LCSD <br />LCS <br />LCSD <br />LCS <br />LCSD <br />Recovery <br />RPD <br />LCS <br />LCSD <br />Diesel <br />1040 925 - <br />1250 <br />1250 <br />83.2 <br />" .74.0 <br />11.7 <br />60-130 <br />25 <br />Surrog <br />o-Terp enyll --- <br />19.4— 19.1 <br />20.0 <br />20.0 <br />97.0 <br />95.5 <br />60-130 <br />a <br />•. .�•` �YF3 1, ,,, <br />,y 1220 Quarry LanePleasanton, CA 945664756 <br />Telephone: (925) 484-1919 Facsimile. (925) 484-1096 <br />Printedoni07/11/200109:43 :��,::>A �• -'7,. R' S. %�r"rR � 'i4s,'Yi ' i.i 'N Page 40t <br />z <br />. t`YN .•J` �•., 4, h • ,v t,f � a TliiiP `��� 4' i <br />