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<br /> TABLE 1
<br /> GROUNDWATER ELEVATION AND ANALYTICAL SUMMARY
<br /> FORMER APACHE PLASTICS FACILITY
<br /> 2050 EAST FREMONT STREET
<br /> TOCKT N 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) (µg/L) (µg/L) OWL) (Ag/L) (µms)
<br /> MW-9 D 05/18/01 4328 1827 ---2501 210,000 20,000 44,000 3,100 17,500 <200*
<br /> 11/05/01 4842 -30 15 210,000 22,000 47,000 3,200 18,900 <250*
<br /> 02/14/02 4678 -2851 160,000 21,000 52,000 2,000 14,500 <250*
<br /> 05/20/02 4688 -2861 160,000 20,000 35,000 2,700 17,900 <250*
<br /> 08/27/02 5035 -3208 160,000 21,000 43,000 3,200 18,900 <250*
<br /> 12/05/02 5035 -32 08 180,000 25,000 56,000 3,500 20,100 <200*
<br /> 02/05/03 5131 -3304 190,000 20,000 38,000 3,100 17,700 <250*
<br /> 05/28/03 4809 -29 82 2,200 140 480 25 300 <2 5*
<br /> 08/11/03 5072 -3245 5,200 610 1,500 69 550 <5 0*
<br /> 11/10/03 51 34 -3307 19,000 2,600 5,300 280 1,640 <20*
<br /> 02/23/04 4933 -31 06 53,000 500 8,700 1,800 12,800 <50*
<br /> 05/24/04 4930 -3103 130,000 1,100 23,000 4,300 37,000 <100*
<br /> 08/23/04 53 05 -3478 8,100 770 1,500 180 640 <10*
<br /> 11/19/04 5298 -3471 2,500 330 440 85 360 <2 5*
<br /> 03/03/05 51 19 -3292 310,000 39,000 76,000 8,400 47,000 <250*
<br /> 05/12/05 4903 -3076 140,000 19,000 35,000 2,200 16,000 <250*
<br /> 08/15/05 5045 -32 18 190,000 23,000 41,000 2,800 18,200 <250*
<br /> 11/22/05 5037 -32 10 I20,000 17,000 36,000 2,000 16,300 <250*
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<br /> Apache_Quarterly Data Page 10 of 15 5T1�A 1`US
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