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TABLE 2
<br /> HISTORICAL GROUNDWATER QUALITY DATA
<br /> (Results in ug/I unless otherwise indicated)
<br /> WELLDATE COND`** S T E X BTEX TPP -G TPH--D Total Load
<br /> 11) Lu mhos cm
<br /> MW-1 10/02/91 78 1,100 31,000 361000 3100 7,800 78,000 120,000 <10 *14
<br /> 01/10/92 76 1 000 30,000 34,000 2,300 11 000 77,000 150,000 <10 *33
<br /> 04/23/92 76 1,000 42,000 51,000 2,400 11,000 110 000 140,000 <10 <5
<br /> 07/31/92 73 1 000 32,000 33,000 1,800 9,500 78,000 160,000 <10 <5
<br /> 10/29/92 69 1,000 29,000 26000 1,500 10,000 67,00D 81,000 NA <5
<br /> 02/03/93 70, 1,340 27,000 33,000 2,100 11 000 73,000 110,000 NA <5
<br /> MW-2 10/02/91 7gi 1300 1,90D 12,000 11900 6500 22,000 50,000 <10 *23
<br /> 01/10/92 7 8 1,300 2,800 14 000 2,100 7,100 26,000 62,000 <10 <5
<br /> 04/23/92 771 1,400 2,300 13 000 2000 6,900 24,000 80,000 <10 <5
<br /> 07/31/92 74 1,300 2,300 12 000 2000 6,800 23,000 56,000 <10 <5
<br /> 10/29/92 71 1 160 2,900 16,000 2100 7 400 28,000 47,000 NA <5
<br /> 02/03/93 74 1,230 4,100, 15 000 2000 7,100 28,000 53,000 NA <5
<br /> MW-3 10/02/91 76 1 600 410D 4,600 420 11600 11 000 23 000 <10 *15
<br /> 01/10/92 76 1,500 3,900 3 800 390 1,700 9,800 19,000 <10 <5
<br /> 04/23/92 76 1 500 12 000 11,000 1,100 3 700 28 000 51,000 <10 <5
<br /> 07/31/92 74 1,600 5,700 3 300 540 1,300 11,000 23,000 <10 <5
<br /> 10/29/92 70 i,i 80 5,600 2700 570 1,000 9,900 22,000 NA <5
<br /> 02/03/93 71 1,380 12,000 13,000. 1,100 3,500 30,000 48.000 NA <5
<br /> MW-4 10/02/91 71 1,700 7 2 0 2 11 110 <10 *28
<br /> 01/10/92 72 1,600 10 8 2 8 26 130 <10 <5
<br /> 04/23/92 71 2,200 2 <03 <0 3 <05 2 74 <10 <5
<br /> 07/31/92 6 9 2,100 1 <03 <0 3 <05 1 51 <10 <5
<br /> 10/29/92 6 6 20,300 3 03 <0 3 07 4 170 NA <5
<br /> 02/03/93 67 2,200 <03 <03 <0 3 <05 <10 NA <5
<br /> MW-5 10/02/91 72 2,400 12,000 20 000 3,300 11,000 46,000 81 000 <10 *18
<br /> 01/10/92 72 2,100 14,000 17,000 2,900 9,500 43 000 77 000 <10 <5
<br /> 04/23/92 71 2 600 9,000 18,000 2,900 9 700 38,000 70,000 <10 <5
<br /> 07/31/92 70 2200 15,000 19,000 3200 11,000 48,000 81,000 <10 <5
<br /> 10/29/92 60 2000 18,000 26000 3400 12000 59000 73000 NA <5
<br /> 02/03/93 67, 1,340 230 400 100 280 1,000 9.700 NA <5
<br /> MW-8 10/02/91 7480 18,000 30 000 3 100 12,000 83,000 96,000 <10 *ii
<br /> 01/10/92 74 920 21,000 31,000 3,600 14,000 70,000 120,000 <10 <5
<br /> 04/23/92 75 1,100 24,000 37,000 3100 12,000 76,000 110,000 <10 <5
<br /> 07131/92 72 1 000 21,000 32,000 3 300 13 000 69,000 110,000 <10 <5
<br /> 10/29/92 71 890 19,000 28,000 31300 12,000 62,000 76,000 NA <5
<br /> 02/03/93 so 2,510 4,300 7,600 1,500 5,000 18,000 50,000 NA <5
<br /> MW-7 02/03/63 82 1,780 39 <0 3 <03 <05 39 150 NA <5
<br /> MW-8 02/03/93 79 1,650 <03 <0 3 <03 <0 51 <10 NA <5
<br /> MW-9 02/03/93 7 9 1,050 <03 <03 <03 <051 -- 44 NA <5
<br /> MW-10 02103/93 8 1 J 1 040 5 <03_<03 <0 51 130 NA <5
<br /> * = Unfiltered sample--total lead
<br /> ** = Field measurement to two significant figures(laboratory analyses before October 29,1992)
<br /> •*' = Field measurement (laboratory analyses before October 29,1992)
<br /> NA = Not analyzed
<br /> B = Benzene
<br /> T = Toluene
<br /> E = Ethylbenzene
<br /> X = Total xylene
<br /> BTEX = Total BTEX
<br /> TPH-G = Total petroleum hydrocarbons-as-gasoline
<br /> TPH-D = Total petroleum hydrocarbons-as-diesel fuel
<br /> Mmhos/em = Micro-mhos per centimeter
<br /> I�❑ GROUNDWATER
<br /> T22819A3 �❑ TECHNOLOGY
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