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� 1 <br /> 2021899-7004 <br /> Lam»1QfsvillB School District 6 <br /> July 16, 1990 <br /> TABLE 2 <br /> LABORATORY ANALYSIS OF GROUNDWATER <br /> (in ppb) <br /> November 12, 1997 <br /> WELL <br /> ID Benzene Toluene Ethylbenzene Xylenes TPH_G <br /> MWA 69 1 21 2 510 <br /> MW-2 NO 56 130 230 4300 <br /> MW-3 ND NO ND NO ND <br /> MW-4 ND ND ND ND NO <br /> MW-5 ND <br /> ND ND ND ND <br /> The estimated northeastward groundwater flow direction in November 1987 was similar to that in <br /> June 1987. TPf-t-G conret3trations decreased in the five-month period from 6,958 ppb to 4,300 ppb in +. <br /> MW 2, and no detectable hydrocarbons were found in the analyzed water samples collected from MW 3, <br /> MW-4, and MW-5. <br /> water Technology conducted additional groundwater <br /> In SeptemloerlOctober 1988, Ground <br /> monitoring and sampling of the five monitoring wells. During this period,the wells were sampled for fatal <br /> petroleum hydrocarbons as diesel (fPH-D) as well as TPH-G and BTEX. Results of the analyses are <br /> presented in Table 3. Copies of all three sets of analytical data are presented in Appendix 1. <br /> i <br /> r;_y GROUNDWATER <br /> TECHNOLOGY.INC. <br />