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Sequoia 610 Chewpeake[Mve Redwood Gay,CA 94od! (413) 364.9600 FAX(413)164.97k! 3 <br /> Analytical ytieal 1900 110 Avenue.Suite t- Concord,CA 94320 (510) 616.9600 FAX(310)686-%14)!19 Striker Avenue,Suite 1 Secremento,CA 93134 (916) 921.9600 FAX(916)93 i.0ioe <br /> Alton Geosclence Client P6Ject`ID: Mobil 04-343/30-0136-15 "SaMiW: Jule 15, 1994 <br /> 30-A Lindbergh Ave. Sample Matrix: Water Received: Jul 19, 1994 <br /> Livermore, CA 94550 Analysis Method: EPA 5030/8015/8020 Reported: Jul 27, 1994 <br /> Attention: Kevin Keenan First Sample #: 407-0916 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. I.D. I.D. <br /> pg/L 407-0916 407-0917 407-0918 407-0919 407-0920 407-0921 <br /> AW-6 AW-3 AW-7 AW-10 AW-4 AW-2 <br /> Purgeable <br /> Hydrocarbons 50 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Benzene 0.50 N.D. N.D. N.D. N.D. 1.5 1.2 <br /> Toluene 0.50 N.D. N.D. N.D. N.D. 0.97 1.2 <br /> Ethyl Benzene 0.50 N.D. N.D. N.D. N.D. N.D. N.D. <br /> Total Xylenes 0.50 0.90 N.D. N.D. N.D. 1.3 1.6 <br /> Chromatogram Pattern: <br /> Quality Control Data <br /> Report Limit Multiplication Factor: 1.0 1,0 1.0 1.0 1.0 1.0 <br /> Date Analyzed: 7/25/94 7/25/94 7/25/94 7/25/94 7/25/94 7/25/94 <br /> Instrument Identification: HP-4 HP-4 HP-4 HP-4 HP-4 HP-4 <br /> Surrogate Recovery, %: 86 86 89 91 89 86 <br /> (UC MRS = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard. <br /> Analyles reported as N.D.were not detected above the stated reporting limit. <br /> SEQUOIA AN YTICAL,#1271 <br /> ren L Enstrom <br /> Project Manager <br /> 407091O.ALr <2> <br />