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Historical Groundwater Monitoring Data <br /> Eckert Cold Storage <br /> Gasoline <br /> Benzene Toluene Ethyl Benzene Total Xylenes TPH-G TPH-D MTBE Oxygenates/ DTW GWE <br /> Additives <br /> Analytical Method: 8260B 8260B 82606 82608 5030/8015M 351018015M 82608 8260B <br /> Detection Limit: 0.3 u 1L 0.3 u 1L 0.3 u 1L 0.6 u IL 0.05 m /L 0.05 m 1L 1.0 tiIL feet feet <br /> Monitor Well <br /> TOC Elev. Sample Date <br /> MW-7 cont. 315/01 0.9 ND 2.1 1.2 0.06 0.98 NO ND <br /> 614/01 5.4 0.8 14 15 0,21 NO NO NO <br /> 9110101 8.4 3.8 23 30 0.27 NO NO ND <br /> 12/17101 ND NO NO NO NO ND NO NO <br /> 2!27102 <0-5 <0.5 <0.5 <1.0 <0.05 <0.05 <0.5 <0.5-<5.0 16.55 21.67 <br /> 6126102 <0,5 <0-5 1 <0.5 <1.0 <0.05 <0.05 <0.5 1 <0.5-<5.0 18.78 1 19.44 <br /> 9130102 <0.5 <0.5 <0.5 <1.0 <0.05 NA <0.5 <0.5-<5.0 20,46 17.76 <br /> 1219102 <0.5 <0.5 <0,5 0.0 <0.05 NA <0.5 <0.5-<5.0 18,49 19.73 <br /> 3/28/03 NS NS NS NS NS NS NS NS 17.95 20.27 <br /> 615103 NS NS NS NS NS NS NS NS 18.14 20.08 <br /> 912!03 NS NS NS NS NS NS I NS NS NM NM <br /> MW-8 115/00 53 31 34 100 0.9 ND 4.1 NA <br /> 37.76 3127100 33 5.9 47 46 0,9 ND 9.0 NA <br /> 6123100 1,600 42 710 1,600 17 NO 19 NA <br /> 918100 2,900 70 1,800 4,200 33 ND 36 NA <br /> 12/29/00 310 NO 140 12 2.8 0.34 NO NO <br /> 315101 75 NO 24 ND 1 NO NO NO <br /> 6/4101 1,300 25 220 920 10 NO ND NO <br /> 9110101 2,000 33 1,800 1,800 21 ND 34 ND <br /> 12/17/01 572 NO 888 38 3.4 ND NO NO <br /> 2127102 140' 0,8 160* 70 0.55 <0.05 <0.5 <0.5-.<5.0 16.46 21.30 <br /> 6/26102 1,100 24 650 1,617 9,8 <0.05 32 <5.0-<50 18.52 19.24 <br /> 9130102 480 2.3 51 27 5.4 NA 9.2 <2,0-<20 20.18 17.58 <br /> 12/9102 16 <0.5 5.9 <1.0 0.34 NA 4.4 17(TBA);2.6 18.12 19.64 <br /> 1,2-DCA <br /> 3128103 50 <0.5 15 5.0 0,97 NA 9.0 35(TBA);1.4 17.63 20.13 <br /> 1,2-DCA <br /> 6!5103 100 0.6 35 6.2 0.87 NA 7.2 26 TBA 17.98 1978 <br /> 912103 330 5.3 120 51 4.0 NA 21 96 TBA 20.27 17.49 <br /> DW 2127/02 <0,5 <0.5 <0.5 <1.0 <0.05 <0.05 <0.5 <0.5-<5.0 NM <br /> 6126/02 <0.5 <0.5 <0.5 <1.0 <0.05 <0,05 <0.5 <0.5-<5.0 NM <br /> 9/30102 <0.5 <0.5 <0.5 <1.0 <0,05 NA <0.5 <0,5-<5.0 NM <br /> 1219/02 <0.5 <0.5 <0.5 <1.() <0.05 NA <0.5 <0.5-<5.0 NM <br /> 3/28/03 <0.5 <0.5 <0.5 <1.0 <0.05 NA <0.5 <0.5-<5.0 NM <br /> 615103 <0.5 <0.5 <0.5 <1.0 <0.05 NA <0,5 <0-5-<5.0 NM <br /> 912103 <0.5 <0.5 <0.5 <1.0 <0.05 NA <0.5 <0.5-<5.0 NM <br /> Note: Data collected prior to February 27,2002 was provided by WHF,loc. <br /> Detection Limits were amended as urthe February 27,2002 groundwater monitoring event(See Lab.Reports for detection limits) <br /> Elevatioms measured from the top of the well casing and are referenced to NGS Benchmark HS4486,elevation 35.03 feet using NA VD R3 datum, <br /> Unitii <br /> mg/L:milligrams per liter,parts per million(ppm) <br /> g/L:micrograms per liter,pans per billion(ppb) <br /> AnalyficaL- <br /> 2,'r,1;N;benzene,toluene,ethyl benzene,total xylenes <br /> TFH-G:total petroleum hydrocarboas quantified as gasoline <br /> Gasoline oxygrnatesladditives_methyl tertiary butyl ether(MTBE):ethanol;tertiary butanol(TBA);di-isopropyl ether(DIFF);ethyl tertiary butyl ether(FTSE);tertiary amyl methyl ether(TAME);1,2-dichloroethane(1,2-DCA) <br /> DTW:depth to water <br /> GWE:groundwater elevation <br /> ND:NA detected at a above the laboratory reported detection limits <br /> NA:not analyzed <br /> NM:not mcasumd <br /> N5:not sampled <br /> estimated concentration <br /> Page 3 of 3 <br />