|
TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA
<br /> Casing Depth Groundwater LPH Concentration
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Number Date feet feet feet feet Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> IP l B 12/03/04 <50*
<br /> IP1B g 03/25/05 802 -- -- 4,800 19,200 2,710 17,400 99,400 h <50
<br /> MIR 06/22/05 802 -
<br /> MB g 06/23/05 802 -- -- -- 5,380 18,300 2,680 14,500 102,000 h 420
<br /> IP1B 06/23/05 802 <10*
<br /> IM 09/27/04 --
<br /> IP2A g 09/28/04 -- -- -- -- 570 13,300 2,490 11,600 67,800 h <0 5*
<br /> IP2A g 12/03/04 -- -- -- -- 85 0 4,470 1,720 8,220 46,300 h 250
<br /> IP2A 12/03/04 <25*
<br /> lP2A g 03/25/05 755 -- -- -- 112 2,590 1,700 10,700 41,600 h 580
<br /> IP2A 03/25/05 755 <5*
<br /> IP2A 06/22/05 7 55 -
<br /> MA g 06/23/05 7 55 -- -- - 660 1,120 1,340 6,680 27,500 h <5
<br /> IP2B 09/27/04
<br /> IP2B g 09/28/04 -- __
<br /> 460 17,600 3,270 15,200 94,100 h <0 5*
<br /> IP2B g 12/03/04 -- 2090 -- 595 18,700 4,580 19,700 162,000 h 370
<br /> IP213 12/03/04 <50*
<br /> IP2B g 03/25/05 7 61 -- -- -- 545 11,900 4,360 12,200 104,000 h <25*
<br /> IP2B 06/22/05 7 61
<br /> IP2B g 06/23/05 7 61 - - - 420 12,000 2,820 13,900 76,200 h 540
<br /> IP2B 06/23/05 7 61 QO*
<br /> IMA 09/27/04 --
<br /> IP3A 09/28/04 -
<br /> IP3A g 12/03/04 --
<br /> 266 1,300 588 2,830 17,800 h 160
<br /> IP3A 12/03/04 <10*
<br /> IP3A g 03/25/05 831 -- -- -- 915 2,170 2,600 10,300 65,700 h 165
<br /> IP3A 03/25/05 831 <10*
<br /> IP3A 06/22/05 8.31
<br /> IP3A g 06/23/05 831 760 900 2,180 9,140 45,300 h <50
<br /> I
<br /> g 1projects1739421masterlwp*60513942gw xis Page 58 of 59
<br />
|