|
Table 1
<br /> Groundwater Elevation and Analytical Data
<br /> ARCO Service Station No 2186
<br /> 3212 N California Street, Stockton, CA
<br /> TQC Depth to Water Level Ethyl- Total
<br /> Well Date P! Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO
<br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (pglL) ({rg1L) (pglL) (pglL) (pg1L) (pglL) (pglL) (mg1L) Comments
<br /> MW-4 6/24/1998 - 1383 3506 -2123 <50 — <0 5 <0 5 <05 <05 162 — No FP No S
<br /> 9/21/1998 - 1383 3867 -2484 131 — <0 5 <0 5 115 167 262 -- No FP,No S
<br /> 12/14/1998 — 1383 3661 -2278 136 108 <0 5 <05 <05 291 — No FP,No S
<br /> 3/31/1999 - 1383 3385 -2002 <50 -- <0 5 <0 5 <05 <0 5 796 — No FP,No S
<br /> 6/11/1999 — 1383 3347 -1964 194 - <0 5 <05 <0 5 <0 5 41 — No FP,No S
<br /> 9/10/1999 - 1383 3772 -2389 213 — 148 <0 5 <0 5 <0 5 1,100 — No FP,No S
<br /> 12/3/1999 - 1383 3764 -2381 64 1 - <05 <0 5 <0 5 <0 5 731 — No FP,No S
<br /> 4/3/2000 -- 1383 3430 -2047 <50 — <05 <0 5 <05 <05 166 — No FP,No S
<br /> 6112212000 -- 13,53 3437 -20 54 232 — <20 <2 0 <2 0 <2 0 2,070[4] -- No FP,No S -
<br /> 9l2712000 -- 13133 3980 -2697 185 — 16 <0 5 0 542 1 17 6,590[4] — No FP,No S
<br /> 10/19/2000 — 1363 3959 -2576 NA — NA NA NA NA NA — Not observed
<br /> 12/20/2000 — 1383 3768 -2385 <50 — <0 5 <05 <0 5 <0 5 1,170 No FP,No S
<br /> 3/16/2001 — 1383 3650 -2267 <50 — <0 5 <0 5 <0 5 <05 481[4] — No FP,No S
<br /> 6/21/2001 — 1383 3937 -2554 <50 — <05 <05 <0 5 <0 5 590[4] — No FP,No S
<br /> 9/13/2001 — 1383 4512 -3129 150 — <05 <05 <0 5 <0 5 7,600[4] — No FP,No S
<br /> 12/11/2001 — 1383 4243 -2860 84[7] — <050 <0 50 <0 50 <050 5,600[4] — No FP,No S
<br /> 3/14/2002 — 1383 3926 -2543 88[7] - <050 <0 50 <0 50 <0 50 4,900[4] — No FP,No S
<br /> 6/19/2002 — 1383 4146 -2763 540[7] -- <050 <0 50 <0 50 <0 50 2,900[4] -- No FP,No S
<br /> 9/12/2002 — 1383 4862 -3479 <50,000 — <500 <500 <500 <500 16,000 — No FP,No S
<br /> 12/3/2002 - 1383 4554 -3171 <50,000 - <500 <500 <500 <500 6,600 - No FP,No S
<br /> 03/11/2003 P 1383 4578 -3195 <25,000 <250 <250 <250 <250 4,200[4] 054
<br /> 06/09/2003 P 1383 4277 -2894 <500 — <50 <50 <5 0 <5 0 3,200[4] 395
<br /> 09/16/2003 P 1383 5064 -3681 2,700 R -- <250 <250 <250 <250 6,500[4] 231
<br /> 12/11/2003 P 1383 4563 -3180 3,000 R <50 <50 <50 <50 6,500[4]J —
<br /> 03/10/2004 P 1383 4593 -3210 1,900 — <100 <100 <100 <100 6,900[4]J 143
<br /> 06/17/2004 P 1383 4739 -3356 2,600 — <250 <250 <250 <250 10,000[4] 170
<br /> 09/23/2004 P 1383 5370 -3987 840 <25 <25 <25 <25 2,500[4] 140
<br /> 12/21/2004 P 1383 4807 -3424 1,100 -- <120 <120 <120 <120 2,800[4] 149
<br /> 03/30/2005 P 1383 4397 -3014 <50 — <0 50 <0 50 <0 50 <0 50 27[4] 447
<br /> 06113/2005 P 13 83 4195 -2812 <500 — <50 <50 <50 <50 280[4] 111
<br /> 09108/2005 P 1383 1 4819 -3436 1 4,100 1 -- 1 <25 1 <25 1 <25 1 <25 1 4,300[4] 057 .�
<br /> MW-5 9/13/2001 — 1276 1 4513 -3237 <50 - <0 5 <0 5 <G5 I <0 5 <2 0[4] — INo FP,No S
<br /> 1211112001 -- 1 1276 1 4180 -2904 <50 — <0 50 <0 50 <0 50 1 <0 50 1 <2 0[4] 1 -- INo FP,No S
<br /> Report Date October 17,2005 Page 5 of 13
<br />
|