ARCHIVED REPORTS_2003 FEASABILITY STUDY REPORT AND SITE ASSESSMENT WORK PLAN

Home Browse Search

Table 1 Groundwater Elevation and Analytical Data Chevron Bulk Terminal 100-1621 22888 South Kasson Road Banta,Califomia Well Depth Groundwater Groundwater SPH SPH Total SPH TPH as TPH as Ethyl- Total MTBE Well Date Elevation To Water Elevation Elevation Thickness Removed Removed Diesel Gasoline Benzene Toluene Benzene Xylenes MtBE EPA 8260B Number Gauged (feet MSL) (feet,TOC) (feet,MSL) Change(ft.) (feet) (gallons) (gallons) (0/0 (P/L) ({r/L) (a/L) UJ/L) (PfL) UJ/L) (v/l-) MW-10 05/26/98 3.26 16.33 -2.98 - - - 57.7' <50 <0.5 <0.5 <0.5 <0.5 <5.0 (cont.) 08/25/98 5.37 1422 -2.11 - - <50 239 <0.5 <0.5 <0.5 <0.5 <5.0 11/16/98 6.21 13.38 -0.84 - <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 02/22/99 4.51 15.08 1.70 - - <5.0' <50 <0.5 <0.5 <0.5 <0.5 <5.0 06/14/99 5.81 13.78 -1.30 - - <50 <100 <0.5 <0.5 <0.5 <0.5 <10 09/01/99 3.08 16.51 2.73 - - <50 <50 <0.5 <0.5 <0.5 <0.5 <5.0 11/30/99 6.72 12.87 -3.84 - - 1,170' <100 <0.5 <0.5 <0.5 <0.5 <10.0/<10.0' 02/28/00 4.75 14.84 1.97 - - <50 <100 <0.5 <0.5 <0.5 <1.0 <10.0 06/27/00 5.18 14.41 •0.43 0.00 0.00 0.00 <50 <50 <0.5 <0.5 <0.5 <0.5 -- <0.50 08/21/00 4.16 15.43 1.02 0.00 0.00 0.00 <60 <50 <0.5 <0.5 <0.5 <0.5 <0.50 11/30/00 6.92 12.67 -2.76 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 03/06/01 7.09 12.50 -0.17 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 04/23/01 6.95 12.64 0.14 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 08/08/01 20.23 5.50 14.73 2.09 0.00 0.00 0.00 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 10/16/01 -- - Destroyed MW-1 1 10/13/88 -- - - - - -- - ND 850 360 5.0 42 56 -- 02/22/89 18.19 7.54 10.65 - - - - 290 120 1.4 4.8 26 04/14/89 10.65 7.54 -3.11 - - ND ND 140 1.0 5.2 24 07/18/89 -- - - - - 1000 ND 66 0.6 2.0 6.0 08/20/89 4.99 1320 - - 10/06/89 5.16 13.03 -0.17 - - ND 370 120 1.7 3.5 1.2 01/18/90 7.26 10.93 -2.10 - - - ND ND 4.7 0.5 0.9 ND 04/17/90 6.80 11.39 0.46 -- - 500 52 18 ND 0.9 ND 07/19/90 -- - - - - - 600 390 140 1.5 1.5 23 10/18/90 - - - 60 ND 4.0 ND ND ND 01/14/91 - - - - - - 210 160 39 1.4 1.0 ND 04/04/91 6.67 11.52 - - 04/10/91 -- - - 530 250 61 ND 0.6 7.9 07/10/91 3.95 1424 - - - - ND 360 92 22 3.6 20.0 06/01/92 5.02 13.17 -1.07 - - ND 3,900 2300 16.0 60.0 25 08/12/92 5.20 12.99 -0.18 - - 130 3,100 1600 8.3 100.0 6.9 11/02/92 6.71 11.48 -1.51 - - - 460 680 200 1.7 8.5 1 02/26/93 2.60 15.59 4.11 - - - 590 240 84 0.7 2.0 ND 06/02-03/93 5.56 12.63 -2.96 - - 1,100 1,000 400 2.0 10.0 2 09/02-03/93 5.43 12.76 0.13 - - - 720 2,000 700 16.0 77.0 6.0 12/03-06/93 6.45 11.74 -1.02 - - 600 2,000 700 11.0 18.0 7 03/01-02/94 6.99 11.20 -0.64 - - - 200 120 27 ND ND ND 06/01/94 7.70 10.49 -0.71 - - 910 510 290 ND 3.6 ND 08/16-17/94 8.82 9.37 -1.12 - - - 1,500 1,300 36 10.0 2.4 5.3 11/21/94 8.06 10.13 0.76 - - - 560 210 29 1.3 1.1 2 02/23/95 6.50 11.69 1.56 - - - 260 330 77 1.0 3.2 .9 05/30/95 6.82 11.37 -0.32 - - - 750 180 69 .6 <0.5 <0.5 08/07/95 6.62 11.57 020 - - - 1,300• 13p 25 <0.5 <0.5 <0.5 11/02/95 7.19 11.00 -0.57 - - - 1,600• <50 <0.5 <0.5 <0.5 <0.5 02/01/96 6.41 11.78 0.78 - - 300` <50 1 <0.5 <0.5 <0.5 Chevron\1001 621\GWtablel stQtr2003 13 of 33 I