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q• i "'`j7'.j? .x Jk �h.4r'C-r rP r� -'�'''' y,. rav say .l � r _ �w,ca`'S..+ti .'L� i `:.r r �i- '`� i� -r'r-. ^ s' �`?�i• .. e_wa� «i A r n..i_.:'__'_ '—_.L_w`:i��—�'G:iti.i,�..}S:.•w: Table 2. Groundwater Chemical Data, con't. Well Date TPHG Benzene Toluene Ethylbenzene Xylene Fuel Ox No Sampled -------------------- --------- u g/l ------------------------------- MW-4 8/20/97 NO ND ND ND ND ND MW-4 12/12/97 ND ND ND ND ND ND MW-4 3/31/98 ND NO ND ND ND ND MW-4 6/30198 NO ND ND NO ND ND MW-4 9/29/98 NO ND ND NO NO ND MW-4 1/14/99 NO ND ND ND NO ND MW-5 8120197 NO ND NO ND NO ND MW-5 12/12/97 ND ND ND ND ND ND MW-5 3/31/98 ND ND NO ND ND 7 0" MW-5 6/30/98 ND ND NO NO ND ND MW-5 9/29/98 ND ND NO ND ND ND MW-5 1114199 ND ND NO ND ND ND MW-6 8/20/97 6,000 09 4 6 5 5 11 ND MW-6 12/12/97 170 0 7 29 1 0 6 6 ND MW-6 3/31/98 6,600 11 50 19 92 ND MW-6 6/30/98 3,800 20 25 38 24 ND MW-6 9/29/98 660 ND ND 1 2 3 3 NO r MW-6 1/14/99 290 56 7 3 43 54 ND MW-7 8/20197 ND NO ND ND NO ND MW-7 12/12/97 ND ND ND ND ND ND MW-7 3131/98 ND ND ND ND ND ND MW-7 6/30/98 ND ND ND ND ND ND MW-7 9/29/98 ND ND ND ND ND ND MW-7 1114199 ND ND ND ND NO NO MW-8 8/20/97 NO ND ND ND ND ND MW-8 12/12/97 NO ND NO ND ND ND MW-8 3/31/98 NO ND ND ND ND ND MW-8 6130/98 NO ND ND ND ND ND MW-8 9/29198 ND ND ND ND NO NO MW-8 1/14/99 ND NO ND ND ND ND MW-9 8/20/97 14,000 12 4 0 14 24 ND MW-9 12/12/97 260 11 15 3 7 12 ND MW-9 3/31/98 15,000 1,700 470 890 1,500 ND MW-9 6/30/98 29,000 1,600 490 1,400 2,900 NO MW-9 9/29/98 12,000 680 80 710 1,700 NO MW-9 1114/99 14,000 1,300 300 1,200 1,700 ND Blank 1/14/98 NO ND ND ND ND ND NO - None detected NA - Not Analyzed ug/I - micrograms per liter Fuel Ox - Fuel Oxygenates by Method 8260 from Dec , 1997 forward - Quantified as MTBE 1,2 Dichloroethane ND in all wells, Sept , 1998 and Jan, 1999 Page 5