ARCHIVED REPORTS_XR0012717 - Laserfiche WebLink

Home Browse Search

TABLE 2 CUMULATIVE SUMMARY OF CONCENTRATIONS (ug/L) OF �- DISSOLVED PETROLEUM HYDROCARBONS IN THE GROUNDWATER, FORMER CHEVRON SS 9--1918, 45 EAST HARDING WAY, STOCKTON, CALIFORNIA, NOVEMBER 1988 - JUNE 1990 Total Ethyl-- Petroleum WellHydrocarbons No Date Bente- Toluene benzene X lines <0.5 <0.5 <50 M5d1 11/15/86 <0.5 <0.5 <0.2 <250 C0.2 <0.2 <0.2 <250 MW1 02/07/89 <0.5 <0.5 <0.5 MW1 04/13/89 <0.5 _ did not sample well was dry MW1 07/12/89 well was dry - did not sample MW1 09/21 /89 well was dry - did not sample MW1 12/18/89 well was dry - did not sample MW1 03/22/90 well was dry - did not sample MW1 06/28/90 well was dry - did not sample MW1 09/18/90 77 4.9 <0.5 0.9 MW2 11/15/88 3.0 <0.2 <250 02/07/89 0.6 0.4 <0.2 <0.5 <250 MW2 1 .9 2.4 0.9 <250 MW2 04/13/89 3.0 2.0 0.6 <0.5 270 MW2 07/12/$9 2.4 4. 1 <0.5 <0.5 <250 MW2 09/21 /89 2.7 <0.5 <0.5 <250 MW2 12/18/89 2.6 0.5 <0.5 4.3 <0.5 MW2 03/22/90 well was dry - did not sample MW2 06/28/90 well was dry - did not sample MW2 09/18/90 9,300 360 2,800 2,000 3,900 MW3 11/15/88 2,70D 160 340 440 MW3 02/07/89 1 ,600 690 1 ,700 7,8D0 650 MW3 04/13/89 2,600 230 360 4,600 MW3 07/12/89 690 wellwasdry - did not sample MW3 09/21/89 well was dry -- did not sample MW3 12/18/89 well was dry - did not sample MW3 03/22/90 well was dry - did not sample MW3 06/28/90 Well was dry - did not sample MW3 09/18/90 6,800 330 1 ,300 11/15/88 1 ,500 3,300 q,40U 32.000 MW4 W4 02/07/89 5,200 17,000 1 ,300 51 M �1Q4r W4 ()h/ 13/89 10,000 42,000 4, 100 16,000 13,000 1 ,900 430 1 ,000 MW4 07/12/69 1 ,900 Well was dry - did not sample MW4 09/21/89 well was dry - did not sample MW4 12/18/89 well was dry - did not sample MW4 03/22/90Well was dry - did not sample MW4 06/28f90 well was dry - did not sample MW4 09/18/90 * t or below ug/L, because of Ethylbenzene was not detected a 5 -- - - ---- - --dilution-required•---- c66/91 918/1090/t2