Laserfiche WebLink
Table 1 <br /> HISTORICAL GROUNDWATER ANALYTICAL RESULTS AND MONITORING DATA <br /> CHEVRON SERVICE STATION#9-4275 <br /> 2905 WEST BENJAMIN HOLT DRIVE,STOCKTON CALIFORNIA <br /> WELL I D/ ETHYL- <br /> TOC ELEVATION SAMPLE BENZENE TOLUENE BENZENE XYLENES TPH--G OTW SPT WTE <br /> feet DATE b b b b b 11-MO-60--t-00-0j) feel <br /> MW-4 <br /> 281 03122!89 NO ND ND NO NO 1629 000 -1348 <br /> 06/12/89 ND ND ND ND NO 16 97 000 -1416 <br /> 09/07/89 17 ND ND ND 170 1835 000 -1554 <br /> 12/18/89 NO ND ND NO: ND 1780 000 -1499 <br /> 03/20/90 29 ND ND 09 85 1740 000 -1459 <br /> 07/03190 NO ND NO ND 93 1805 0 00 -1524 <br /> 10/19/90 NO 28 15 NO 73 1958 000 -1677 <br /> 01117/91 NO ND ND ND 150• 1919 000 -1638 <br /> 03/19/91 ND ND ND NO 100 -- -- -- <br /> 07118/91 NO ND ND ND 81 1906 000 -16.24 <br /> 10/31/91 NO NO NO NO 180• 1952 000 -1671 <br /> 01/16/92 NO ND as 20 ND 1882 000 -1601 <br /> 03/11/92 - - -- -- - 1790 000 -1509 <br /> 03/17192 2.9 97 3 9.7 150 1778 0 00 -1497 <br /> 05/18/93 NO NO NO ND ND 16041 000 -1323 <br /> MW-5 <br /> 379 03/22/89 35 23 110 760 4,000 1718 000 -1339 <br /> 06/12/89 24 2 2 53 900 1780 000 -1401 <br /> 09/07/89 16 4 12 50 410 1911 000 -1532 <br /> 09107/89D 15 4 11 49 380 -- -- -- <br /> 12/18/89 24 22 100 590 2,900 1863 000 -1484 <br /> 03120190 37 29 120 830 3.400 1819 0 W -1440 <br /> 07/03/90 65 89 200 1.200 5.500 1943 000 -1564 <br /> 10/19190 55 82 190 1,100 5,900 20 04 000 -1629 <br /> 01/17/91 26 51 140 830 4,900 1998 000 -1619 <br /> 03119!91 18 24 21 790 6,800 -- - -- <br /> 07/18/91 60 65 190 800 7.600 1972 000 -1593 <br /> 10/31191 44 24 64 3110 2.600 2020 000 -1641 <br /> 01/16/92 120 72 250 1,000 5.400 1960 000 -1581 <br /> 01/16/92D 110 63 230 960 4.70003111/92 -- -- -- -- - 1864 000 -1485 <br /> 03/17/92 37 13 52 170 1.100 1853 000 -1474 <br /> 05/18/93 58 10 170 190 2,000 16741 000 -1295 <br /> MW-6 <br /> 143 03/11/92 -- - - -- -- 1699 000 -1556 <br /> 03/17/92 63 23 370 57 3.900 1695 000 -1552 <br /> 05/18/93 NO 37 Is 60 760 1518 000 -1375 <br /> MW-7 <br /> 314 03/11/92 -- -- -- - - 1724 000 -14 10 <br /> 03/17/92 NO ND NO NO NO 1715 0 OD -1401 <br /> _Q§jL8L93 NO NO NO ND NO L 1566 000 -1252 <br /> Page 2 of 2 <br /> EXPLANATION <br /> Well elevations grven in feet above mean sea levet <br /> TOC -Top of casing <br /> TPM-G=Total petroleum hydrocarbons-as-gasoline <br /> DTW= Depth to water <br /> SPT= Separate phase thickness <br /> WTE = Water table elevation <br /> D = Duplicate <br /> NO = Not detected at or above method detection limd <br /> Not analyzed/not measured <br /> ' = Does not match typical gasoline pattern <br /> NOTE See laboratory reports for method detection limds <br /> GARTA$1 WKl <br /> GROUNDWATER <br /> TECHNOLOGY <br />