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aC , INC. 5DAYS TURNAROUND <br /> Analytical Laboratory(E694) <br /> June 26, 1991 ChromaLab File No. : 0691129 <br /> ARTESIAN ENVIRONMENTAL Attn: James Jacob <br /> BE_ Four water and twelve soil samples for Gasoline/BTEX and <br /> Oil & Grease analyses <br /> Project Name: EXXON - STOCKTON <br /> �.. Project Number: 014-01-01 <br /> Date Sampled! June 18, 1991 Date Submitted: June 19, 1991 <br /> Date Extracted: June 21-25, 1991 Date Analyzed: June 21-25, 1991 <br /> r RESULTS: Ethyl Total Oil & <br /> Sample Gasoline Benzene Toluene Benzene Xylenes Grease <br /> L L L n L <br /> B-4-W 120000 15000 17000 2200 15000 ---- <br /> B--5-W 46000 5700 4900 920 5900 <br /> B-6-W 13000 1200 2300 240 1800 ---- <br /> B-7-W N.D. N.D. N.D. N.D. N.D. N.D. <br /> DETECTION LIMIT 50 0. 5 0.5 0.5 0.5 0.5 <br /> METHOD OF 5030/ 5520 <br /> ANALYSIS 8015 602 602 602 602 B&F <br /> Ethyl Total Oil & <br /> Sample Gasoline Benzene Toluene Benzene Xylenes Grease <br /> NO. (mg/kg) -- - fuglka) (1Ac1/kq? (ua/kcr) (ucrlk3) ._(ma/ka) <br /> SB-4-6' 1.4 28 5.0 9.2 14 <br /> B-4-11' 1.2 320 5.0 N.D. 5.1 ---- <br /> B-4-16' 1100 13000 59000 15000 120000 ----- <br /> B-5-5' N.D. N.D. N.D. N.D. N.D. ---- <br /> B-5-10' 3. 1 310 N.D. N.D. N.D. ---- <br /> B-5-15' 320 2300 6400 4800 35000 ----- <br /> B-6-5' N.D. N.D. N.D. N.D. N.D. ---- <br /> B-6-10' 280 700 4100 1900 31000 ---- <br /> B-6-151 330 1800 11000 4900 38000 ---- <br /> B-7-5' N.D. N.D. N.D. N.D. N.D. N.D. <br /> B-7-10' N.D. N.D. N.D. N.D. N.D. N.D. <br /> B-7-15' N.D. N.D. N.D. N.D. N.D. N.D. <br /> Sri! <br /> BLANK N.D. N.D. N.D. N.D. N.D. N.D. <br /> SPIKE RECOVERY 108.3% 95. 8$ 91.4% 91.9% 89.4% ----- <br /> + DUP SPIKE REC. 95.5% 91.2% 97. 1% 91.2% 88.5% ---- <br /> DETECTION LIMIT 1.0 5.0 5.0 5.0 5. 0 10 <br /> METHOD OF 5030/ 5520 <br /> ANALYSIS 8015 8020 8020 8020 8020 E&F <br /> `o` Chromai ab, Inc. <br /> E. <br /> �-' <br /> Ja uong Eric Tam <br /> Chief Chemist Laboratory Director <br /> 2239 Omega Road,M1 • San Ramon,California 04583 <br /> 4151831.1788 • Facsimile 4151831$798 <br /> .� Federal ID ON-0140157 <br />