|
� � � 1• � I• � � � � 1• 1• J• � I� w i•�r• �
<br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA
<br /> Casing Depth Groundwater LPH _ Concentration(gg/L)
<br /> Well Elevation to Water Elevation Thickness EthyI-
<br /> Number Date feet feet feet feet Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> VI 09/17/03 758 <5*
<br /> V1 12/08/03 758 20 10 -12 52 0 00 3,030 8,020 2,440 9,010 62,600 h 250
<br /> VI 12/08/03 758 <5*
<br /> V1 03/02/04 758 1875 -11 I7 000 3,580 10,100 3,080 12,600 70,100 h 935
<br /> V1 03/02/04 758 <10*
<br /> V1 06/28/04 758 19.81 -1223 000 -- - -- --
<br /> VI 06/29/04 758 -- -- -- 2,460 9,300 2,150 9,370 57,400 h <0.5*
<br /> V2 05/02/91 930 3262 -2332 000 -- -- -- -. __
<br /> V2 07/16-17191 930 3357 -2427 000 -- -- -- --
<br /> V2 10/15/91 930 3408 -2478 000 27,000 43,000 4,300 22,000 190,000 --
<br /> V2 01/28/92 930 3238 -2308 000 27,000 42,000 5,100 25,000 150,000 --
<br /> V2 04/30/92 930 32 03 -2273 000 27,000 37,000 3,700 17,000 140,000 --
<br /> V2 08/13/92 930 3399 -2469 0 00 28,000 49,000 5,600 28,000 220,000 --
<br /> V2 10/08/92 930 3457 -2526 0 02 Not sampled-LPH
<br /> V2 02/23/93 930 31 37 -2207 000 -- -- .- --
<br /> V2 05/18/93 930 -- __ ._ -. __ __
<br /> V2 08/22/93 930 3016 -2086 000 27,000 46,000 3,500 17,000 180,000
<br /> V2 12/30/93 930 29 76 -2046 000 27,000 35,000 4,200 22,000 170,000 --
<br /> V2 02/17/94 930 2933 -2003 000 -- -- -- -- __ _.
<br /> V2 05/10/94 930 28 95 -1965 000 24,000 49,000 4,900 24,000 220,000 --
<br /> V2 08/02/94 930 3029 -2099 000 21,000 43,000 3,700 20,000 160,000 --
<br /> V2 11/01/94 930 3064 -21 34 000 23,000 46,000 4,100 22,000 200,000 --
<br /> V2 02/17/95 930 2823 -1893 000 -- -- -- -- --
<br /> V2 05/11/95 930 2495 -1565 000
<br /> V2 08/24/95 930 -- -- __ __ .- _- __
<br /> V2 10/19/95 930 2685 -1755 000 12,000 30,000 3,600 17,000 170,000 <2,500
<br /> V2 02/13/96 930 2460 -1530 Sheen -- -- -- -- -- --
<br /> V2 04/18/96 930 2260 -1330 Sheen -- -- -- -- -- --
<br /> V2 08/08/96 930 2390 -1460 Sheen -- -- _- -- -. --
<br /> V2 11/04/96 930 2473 -1543 000 13,000 31,000 2,500 13,000 130,000 <2,500
<br /> V2 02/03/97 930 1970 -1040 Sheen -- -- -- -- -- --
<br /> g Iprojects173942Xluasterlwp\gO704U942gw As Page 47 of 54
<br />
|