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v <br /> TABLE 3 <br /> ANALYTICAL RESULTS <br /> FOR GROUNDWATER SAMPLES <br /> Village West Marina <br /> -. 6649 Embarcadero Drive <br /> [ Stockton, California <br /> Page 2 of 2 <br /> ' 3 Well or TEPH-d TPH-g Dissolved MTBE Benzene Toluene Ethylbenzene Xylenes <br /> Sample Date EPA EPA Oxygen EPA EPA 602 EPA 602 EPA 602 EPA 602 <br /> Number 3510 5030 On-Site 602 µg11 µg11 µg11 µg11 <br /> Ag <br /> 11 /l mgll 11 <br /> MW-6 06-20-94 NO 3700 200 44 41 150 <br /> 09-19-94 NO 2000 100 NO 90 125 <br /> 12-15-94 NO 3470 96 7 21 147 <br /> 07-07-95 NA 1250 199 10 76 77 <br /> =- 10-18-95 NA 900 90 20 40 130 <br /> 01-16-96 NA 615 66 5 5 34 <br /> 03-18-96 NA 2650 <br /> NO 322 29 57 183 <br /> 07-11-96 NA 960 NA 110 7 <1.5 65 <br /> 10-29-96 NA 1210 NA 87 9 <1.5 92 <br /> 01-22-97 NA 2458 0.8 NA 374 1 28 41 247 <br /> F= MW-7 07-07-95 NO NO NO ND NO NO <br /> 10-18-95 NA N NO NO NO NO <br /> 01-16-96 NA NO NO NO NO ND <br /> 03-18-96 NA NO NO NO NO NO <br /> 07-11-96 NA NO NO NO NO NO <br /> 10-29-96 NA NO NO NO NO 0.5 <br /> 01-22-97 NS NS 0.7 NS NS NS NS <br /> f.<J MW-8 07-07-95 NO NO NO NO NO NO <br /> 10-18-95 NA NO NO NO NO NO <br /> 01-16-96 NA NO NO NO NO NO <br /> 03-18-96 NA NO NO NO NO NO <br /> 07-11-96 NA NO NO NO ND ND <br /> 10-29-96 NA NO NO NO NO NO <br /> 01-22-97 NS NS 0.8 NS NS NS NS <br /> t j SW-A 01-13-95 ND NO NO NO NO ND <br /> Slough water 01-22-97 NS NS 9.2 NS NS NS NS <br /> TPH-g Total Petroleum Hydrocarbons as gasoline by EPA Method 5030 <br /> TPH-d Total Petroleum Hydrocarbons as diesel <br /> =� MTBE Methyl tertiary butyl ether by EPA Method 8020 <br /> µgll micrograms per liter(parts-per-billion equivalent) <br /> _-- mgll milligrams per liter(parts-per-million equivalent) <br /> j NA Not analyzed for this constituent <br /> ND Not detected at or greater than the indicated laboratory detection limit. <br /> NS Not sampled <br /> MCLS inµg/l as follows:benzene=l;toluene=150;ethylbenzene=700;xylenes=1750 <br /> F_- Taste&Odor Thresholds inµg11: toluene=42;ethylbenzene=29;xytenes=17 <br /> i DAYNE L.FRARY, GEOLOGIST <br /> :,,; 1296-012.197 <br />