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w, <br /> Table A-Historical Laboratory Analytical Data (continued) <br /> GASOLINE OXYGENATES/ADDITIVES <br /> B T E X TPH-G TPH-D MTBE Other Gasoline Oxygenates/Additives <br /> Detection Limits: 0.3 0.3 0.3 0.6 0.05 0.05 1.0 See Lab Reports <br /> llgn µg/I Ile µg/I mg/l mg" 4g/I Wg/l <br /> Analytical Method: 8260B 8260B 8260B 8260B 5030/ 3510/ 8260E 8260B <br /> 8015M 8015M <br /> Sample I.D./Date <br /> MWS-1/5/00 53 31 34 100 0.9 ND 4.1 NA <br /> MW8-3/27/00 33 5.9 47 46 0.9 ND 9.0 NA <br /> MW8-6/23/00 1,600 42 710 1,600 17 ND 19 NA <br /> MW8-9/8100 2,900 70 1,800 4,200 33 ND 36 NA <br /> MW8-12/29/00 310 ND 140 12 2.8 0.34 ND ND <br /> MW8-3/5/01 75 ND 24 ND 1.0 ND ND ND <br /> MW8-6/4/01 1,300 25 220 920 10 ND ND ND <br /> MW8-9/10/01 2,000 33 1,800 1,800 21 ND 34 ND <br /> MW8-12/17!01 572 ND 888 38 3.4 ND ND ND <br /> MW8-2/27/02 140* 0.8 160* 70 0.55 ND <0.5 ND <br /> MW8-6126102 1,100 24 650 1,617 9.8 ND 32 ND,* <br /> MW8-9/30/02 480 2.3 51 27 5.4 NA 9.2 ND+ <br /> DW-2/27/02 <0.5 <0.5 <0.5 <1.0 ND ND <0.5 ND <br /> DW-6/26/02 <0.5 <0.5 <0.5 <1.0 ND ND <0.5 ND <br /> DW-9/30/02 <0.5 <0.5 <0.5 <1.0 <0.05 NA <0.5 ND <br /> Note:Data collected prior to February 27,2002 was provided by WHF,Inc. <br /> Detection Limits were amended as of the February 27,2002 groundwater monitoring event(See Lab.Reports for detection limits) <br /> Units: Analytical: <br /> mg/L=milligrams per liter=parts per million(ppm) B,T,E,X=benzene,toluene,ethyl benzene,total xylenes <br /> Itg/L=micrograms per liter=parts per billion(ppb) TPH-G=total petroleum hydrocarbons quantified as gasoline <br /> Gasoline oxygenates/additives= methyl tertiary butyl ether(MTBE),ethanol, <br /> tertiary butanol,di-isopropyl ether(DIPS),ethyl tertiary butyl ether(ETBE), <br /> tertiary amyl methyl ether(TAME), 1,2-dichloroethane(1,2-DCA) <br /> ND=not detected at or above the laboratory reported detection limits <br /> NA=not analyzed <br /> =estimated concentration <br /> ♦ = all other oxygenates/additives were not detected at or above laboratory <br /> reporting limits <br /> 4 = all other oxygenates/additives were not detected at or above raised <br /> laboratory reported detection limits;see laboratory reports for actual detection <br /> limits <br /> P:13471 Eckert Cold Storage13471A Eckert Cold StoragelQuarterly Monitoring Reports12002-SeptemberlHistorical Data.doc <br /> Page 7 of 7 <br />