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<br /> TABLE 1
<br /> GROUNDWATER ELEVATION AND ANALYTICAL SUMMARY
<br /> FORMER APACHE PLASTICS FACILITY
<br /> 2050 EAST FREMONT STREET
<br /> STOCKTON CALIFORNIA
<br /> Depth to Well Groundwater Ethyl- Total
<br /> Date Water Elevation Elevation TPHG Benzene Toluene benzene Xylenes MTBE
<br /> WELL# Sampled (ft bgs) (ft msl) (ft msl) (µg/L) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L)
<br /> VEW-2*** S 05/18/01 43 13 1803 -25 10 7,300 660 160 110 660 <4 0*
<br /> 11/05/01 4839 -3036 10,000 1,300 90 160 830 <5 0*
<br /> 02/14/02 4657 -2854 180,000 1,300 28,000 4,900 39,000 <100*
<br /> 05/20/02 4656 -2853 120,000 1,500 15,000 3,900 24,500 <100*
<br /> 08/27/02 4976 -31 73 140,000 1,500 21,000 4,100 28,300 <100*
<br /> 12/05/02 NM NM NA NA NA NA NA NA
<br /> 02/05/03 4901 -3098 130,000 1,100 17,000 4,200 24,700 <100*
<br /> 05/28/03 4776 -2973 120,000 1,100 19,000 4,000 26,600 <100*
<br /> 08/11/03 5038 -3235 120,000 1,800 24,000 4,800 32,000 <100*
<br /> 11/10/03 NM NM Well Inaccessible
<br /> 02/23/04 4921 -31 18 130,000 1,300 22,000 4,200 34,000 <100*
<br /> 05/24/04 4910 -3107 120,000 1,100 24,000 4,400 35,000 <100*
<br /> 08/23/04 5225 -3422 Well Dry
<br /> 11/19/04 5274 -3471 Well Dry
<br /> 03/03/05 51 00 -3297 120,000 1,200 21,000 4,900 31,000 <100*
<br /> 05/12/05 4889 -3086 97,000 1,000 15,000 2,900 23,700 <100*
<br /> 08/15/05 4991 -31 88 130,000 1,500 20,000 3,400 28,000 <100*
<br /> 11/22105 5025 -3222 110,000 1,200 19,000 3,400 25,700 <100*
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<br /> Apache_Quarterly_Data Page 2 of 15 srl�Arus
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