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Herman&Helen s Marina-Third Quarter 1999 Groundwater Monttanng <br /> October 26 1999 <br /> Page S- <br /> TABLE 3 <br /> Histoncal Groundwater Monitoring Data <br /> ('asoltne rEPH Ground <br /> B t F K rPH-G Oxygenates! DTW Water <br /> Additives Kerosene Diesel Motor Oil Elev <br /> D'tiction DA I F o 4 0 1 0 3 06 0 05 1 U-10 D o5 005 0 5 <br /> 11mtri µ1./1 µ6l1 µyl µ61l 1116/1 µ6/] m6/1 MO in6/1 <br /> "ample i D <br />' \leasunn6 <br /> Point Flevagon <br /> MW 1 9118197 ND ND VD NO NO ND ND NO Tll 598 9402 <br /> 10000 <br />' 11/3 t/97 ND NO NO ND ND ND NT NI NT 5 87 94 13 <br /> ,/27198 NO ND ND ND NO VD NT NT NT 499 9501 <br /> 5/26/98 ND ND NO VD ND ND NT VT NT 472 95 28 <br />' 9130/98 \D \D ND ND VD ND NT NT NT 604 93 96 <br /> 11/30/98 ND ND \D ND VD 13(MTBE) NT NT NT 640 9360 <br /> IOW99 ND ND IND ND ND NO NT NT NT 515 9485 <br />' 030199 ND ND ND ND ND NO NT NT N r 544 9456 <br /> 9723/99 \D ND ND ND ND NO NT NT NT 592 9408 <br /> MW 2 9118197 0 4 ND ND 1 5 1 5 550(MTBE) NO VD ND 732 7366 <br /> 8098 72(tert butanol) <br />' 3 6(TAME) <br /> • <br /> 17141197 12 1 0 Nll• 1 7 U 12 27 DOO(MTBE) NT NT NT 498 7600 <br /> 1 400(tort butanol) <br /> 30(TAME) <br /> 1127/98 ND' 43 3 6 13 ND' 110 000(CotTBE) NT NT NT 596 7502 <br />' 6126198 Nll' ND* ND* \D* ND• 3 000(MTBE) NT NT N r 672 7426 <br /> 330(TAME) <br /> w <br /> 9130198 ND- 70 NO* ND' \D* 59 000(MTBE) NT NT NT 699 7399 <br /> 270(TAME) <br /> *r <br /> 52130/96 VD l2 NDVD ND 1I000(MTBE) <br /> NT \T NT 463 7635 <br /> S5"(tett butanol) <br /> 37(TAME) <br /> • <br /> 3/26/99 ND* ND* ND* ND* ND' 130000(MTBE) VT NT NT 500 7598 <br /> 1370(TAME) <br /> •* <br /> 6/30!99 ND* ND* ND' ND* ND* 190 000(MTBE) NIT NT NT 701 7397 <br />' 520(TAME) <br /> 9123/99 ND 16 ND ND 005 92 000(MTBE) NT NT NT 772 73 26 <br /> 520{TAM$) <br /> •* <br />' All Measurements Are In Feet All Elevations Based On An Assumed Elevation Of 100 00 Feet For MW-1 <br /> Unit Conversions Analytical <br /> µg/l parts per billion BTEX=benzene,toluene ethyl benzene xylene <br />' mg/I=parts per million TPH-G=total petroleum hydrocarbons,quantified as gasoline <br /> ND none detected at or above laboratory detection limits <br /> NT not tested for this analyte <br /> MTBE methyl tert-butyl ether <br />' TAME tertiary amyl methyl ether <br /> w► =all other gasoline additives/oxygenates were not detected at or above the laboratory <br /> reported detection limits <br /> * =Laboratory detection limits raised due to elevated concentrations See Certificates of <br /> Analysis <br /> s� 1 <br /> J" CONDOR <br />