SITE INFORMATION AND CORRESPONDENCE FILE 1

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U i Table 2. Historic Groundwater Monitoring Well Chemical Data, con't. i Well Date TPHG Benzene Toluene Ethylbenzene Xylene Fuel Ox. No. Sampled --------------•----------------u9/I------------------------------------------- MW-1 3/28/96 ND NO ND ND ND NA MW-1 6/27/96 280 0.7 0.6 2.4 9.1 NA MW-1 12/19/96 NO NO NO NO NO NO MW-1 3/10/97 NO ND NO NO NO NO MW-1 6/30/97 NO ND ND ND NO ND MW-1 8/20/97 NO ND ND ND ND ND MW-1 12/12/97 ND ND NO ND ND ND MW-1 3/31/98 150 16 9.5 5.3 36 ND MW-1 6/30/98 ND ND ND ND NO ND MW-1 9/29/98 ND NO ND NO NO NO MW-1 1/14/99 ND NO NO NO NO NO MW-1 4/29/99 ND NO 1.1 NO 1.6 NO MW-1 6/30/99 ND ND NO NO NO ND MW-2 3/28/96 12,000 8.0 5.0 7.7 20 NA MW-2 6/27/96 4,900 7.2 4.8 21 25 NA MW-2 12/19/96 4,400 9.9 8.6 25 26 ND MW-2 3/10/97 4,000 5.5 2.1 13 12 ND MW-2 6/30/97 3,500 3.9 1.3 11 15 NO MW-2 8/20/97 4,700 1.1 0.5 10 17 NO MW-2 12/12/97 760 63 38 110 180 NO MW-2 3/31/98 3,600 20 11 340 270 NO MW-2 6/30/98 3,900 56 20 220 200 NO I MW-2 9/29/98 1,400 20 8.4 50 33 ND MW-2 1/14/99 1,900 22 11 86 47 ND MW-2 4/29/99 _ 2,100 180 240 120 480 19@ MW-2� 6/30/99 .3,900 44 15 220 150 NO MW-3 3/28/96 2,500 21 12 12 24 NA MW-3 6/27/96 3,100 13 7.0 8.7 19 NA MW-3 12/19/96 2,900 12 8.4 8.1 16 NO MW-3 3/10/97 1,500 10 3.9 5.0 9.1 NO MW-3 6/30/97 970 2.7 0.6 4.2 6.2 NO MW-3 8/20/97 1,000 3.5 1.4 3.1 4.5 ND j MW-3 12/12/97 350 33 42 48 170 NO MW-3 3/31/98 470 22 150 13 39 NO MW-3 6/30/98 490 110 11 31 69 NO MW-3 9/29/98 280 65 5.8 14 20 ND MW-3 6/14/99 440 110 13 31 53 NO MW-3 4/29/99 640 r 59 100 30 120 ND MW-3 6/30/99 800 X120 19 45 83 NO MW-4 8/20/97 ND ND ND NO NO NO MW-4 12/12/97 NO ND ND NO NO ND MW-4 3/31/98 NO ND ND NO NO NO i MW-4 6/30/98 ND ND ND ND NO NO MW-4 9/29/98 ND ND ND NO NO ND MW-4 1/14/99 NO ND ND NO NO ND 1 I Mr. Ed's Muffler Project No. 4090-P Page 11