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FEB -06' 98 (FRI ) 09:38 UNOCAL NORTH RE TEL:310 ]ta 2309 <br /> ! <br /> SEQUOIA ANALYTICAL P. 003570 988 9673 <br /> 06/17/97 09:36 1I :02/02 NO:077 <br /> Sequoia 680 aR.pe.kc Dnw Reda o G - <br /> 404 N.%Meet Line W.Imlt 4sek,G 9f94 8 (el!) 1a-96W FAX(4 15) 364-9733 <br /> Analytical B19$trtkrr Avenua,SJcc D $ecnmcnro,CA 95e34 (SIO) 988-9600 FAX(310)988.9673 <br /> (914) 911-9600 PAX(916)9710100 <br /> k8preallan Englneeiing, inc. Cllerit Protect Ib' belts Col)epe,5751 PedAo qva., <br /> 2401 Stanwell Dr., Ste. 400 �. Sampled fey 21,' 1997_: <br /> Concord, CA 94520 Semple Matrix: Water Stockton <br /> Attention: Roble Tlbbetta Analysis Method; EPA 5030/8015 Mod./8020 Rocelved; May 21, 1 gg7 ' <br /> Firm Sample#: 706-1676 Reported; Jun 4, 1997= <br /> _.W _...__.._.,........ <br /> �- <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with 13TEX DISTINCTION <br /> Roporting Sample <br /> Analyte Limit 1.D. <br /> Ng/L 706.1576 <br /> Irrigation Well <br /> Purgeable <br /> Hydrocarbons 60 110 <br /> Benzene 0.50 26 <br /> Toluene 0.50 0-92 <br /> Ethyl Benzene 0.50 3.1 <br /> Total Xylenes 0.50 8,8 <br /> MTBE: 5.0 N.Ci, <br /> Chromatogram Pattern: pasollne <br /> Qualit Control Date <br /> [Report Limit Multlpllcatlon Factor: 1.0 <br /> ate Analyzed: 8/2/97 <br /> nstrument Identification: HP-4 <br /> Surrogate Recovery, %: 107 <br /> j (00 Limits — 70-13o%) <br /> Purgeable Hydrocarbons are quantltsted against a heah gaaottne standard, <br /> Malytea repotted as N.D.Were not dat■oled above the Stated reporting Itmit. <br /> '3 QUOIA ANALYTICAL, x}1271 <br /> Prnlart Mo., .,est <br />