|
�w ww ■w ■w ■w w� wr w� rr rw w w.
<br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA
<br /> Casing Depth Groundwater LPH Concentration(µg/L)
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Numbel Date (feet) (feet) (feet) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> V2 02/29/00 815 -- -- -- -- -- -- -- --
<br /> V2 05/16/00 815 - -- -- -- -- -- --V2 09/11/00 8 15 -- -- -- -- -- -- -- -- --
<br /> V2 12/13/00 8 15 1760 -945 000 7,100 22,000 4,600 22,600 130,000 <500
<br /> V2 03/08/01 8 15 1679 -864 000 5,700 17,000 4,900 24,100 210,000 <250
<br /> V2 06/21/01 8 15 18 16 -1000 002 -- -- -- -- -- --
<br /> V2 09/20/01 8 15 1928 -11 13 000 4,800 25,000 6,000 28,600 94,000 <120
<br /> V2 12/04/01 8 11 1907 -1096 000 6,400 16,000 2,800 12,800 110,000 <5*
<br /> V2 03/05/02 8 11 1820 -1009 000 5,590 22,800 2,810 10,200 67,600 h <25
<br /> V2 06/11/02 8 11 1873 -1061 001 5,410 12,200 2,310 9,520 73,700 h 700
<br /> V2 06/11/02 811 <25*
<br /> V2 09/10/02 811 2000 -1189 000 5,380 12,200 2,630 10,600 75,500 h 150
<br /> V2 09/10/02 811 <50*
<br /> V2 12/18/02 8 11 1944 -11 33 0 00 6,640 16,300 2,740 13,600 85,000 h 780
<br /> \12 12/18/02 811 <100*
<br /> V2 03/24/03 8 11 1913 -1102 000 -- -- -- -- -- --
<br /> V2 03/25/03 811 -- -- -- 6,070 14,200 2,740 11,200 89,200 h <50
<br /> V2 06/11/03 8 11 1931 -1120 000 7,840 16,600 3,690 14,900 97,600 h 490
<br /> V2 06/11/03 811 <25*
<br /> V2 09/17/03 811 2077 -1266 000 5,930 11,800 2,990 11,400 76,200 h 190
<br /> V2 09/17/03 811 <25*
<br /> 112 12/08/03 811 2072 -1260 001 6,960 21,000 3,340 13,700 113,000 h <25
<br /> V3 05/02/91 899 33 89 -2490 0 00 1,900 30,000 5,200 26,000 110,000 --
<br /> V3 07116-17191 899 34 86 -2587 000 840 24,000 3,600 19,000 110,000 --
<br /> V3 10/15/91 899 35 38 -2639 000 1,200 22,000 4,400 22,000 110,000 --
<br /> V3 01/28/92 8 99 33 56 -2457 000 1,100 21,000 4,900 23,000 86,000 --
<br /> V3 04/30/92 8 99 33 15 -2416 000 390 15,000 2,800 15,000 62,000 --
<br /> V3 08/13/92 899 3532 -2633 000 620 17,000 4,800 23,000 110,000 --
<br /> V3 10/08/92 899 3596 -2697 000 430 11,000 3,200 17,000 100,000 --
<br /> V3 02/23/93 899 3255 -2356 000 -- -- -- -- --
<br /> V3 05/18/93 899 -- -- -- -- -- -- -- -- --
<br /> g\projectsX73942\mastcr\wp\q I203\3942gw x1s Page 46 of 51
<br />
|