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Historical Groundwater Monitoring Data
<br /> (9127199 through 9130103)
<br /> DATE DTW ELEV B T E X MTBE TPH-G OXYGENATES/ADDITIVES
<br /> Detection Limits-* 0.5 0.5 0,5 1 0.5 0.05 0.5-5.0
<br /> k8/L Pg/L Ng/L Pg/L Pg/L mg/L Pg/L
<br /> Analytical 826013t 92603t 8260Rt 82608t 826001 8015Mj- 8260E
<br /> Methods-+
<br /> Mon Hering Well&
<br /> Elevatipn
<br /> M W-6(33,72) 6/2512003 21.32 14.75 <0.5 <0 5 <0.5 4.0 <0.5 <0.05 <0.5--5.0
<br /> 7/22/2043 22.52 13.55 NA NA NA NA <0.5 NA NA
<br /> 8/19/2003 23.24 12,83 NA NA NA NA <0,5 NA NA
<br /> 9!3012003• 24.33 11.74 NS NS NS NS NS NS NS
<br /> MW-7 (34.06) 12/29/2000 NM NM 0.3 ND 0.9 0.7 1,000 ND TBA-42;TA-ME-5.9
<br /> 1/16/200! 16.42 17.64 NS NS NS NS NS NS NS
<br /> 3/5/2001 15.98 18.08 ND ND 0.6 0.5 2.2 ND ND
<br /> 6!412001 17.94 16.12 ND ND ND ND 8,300 ND TBA-90;TAME-36
<br /> 9110/2001 19.72 14.34 ND ND ND ND 20,000 ND ND
<br /> 12/17/2001 1932 14.74 ND ND ND ND 26,500 0,13 ND
<br /> (36.42#) 9/26/2002 21,61 14.81 <0.5 <0.5 <0.5 <1.0 12,000 <0.05 TAME-42
<br /> 12127/2002 19.98 16.44 <2.0 <2.0 <2,0 <4.0 3,500 <0.05 TAME-18
<br /> 3/21/2003 18.33 18.09 <2.0 <2.0 <2,0 <4,0 6,400 <0.05 TAME-33
<br /> 6125/2003 20.59 15.83 <2.0 <2.0 <2,0 <4,0 6,800 <0.05 TAME-28
<br /> 7!2212003 21.44 14.99 NA NA NA NA 6,800 NA NA
<br /> 8119/2003 22.12 14.30 NA NA NA NA 3,700 NA NA
<br /> 9/30/2003" 23.21 13.21 NS NS NS NS NS NS NS
<br /> MW-8 (34.06) 1/16/2001 16.45 17.61 ND ND ND ND ND ND ND
<br /> 3/512001 16,01 18.05 ND ND I 0.8 NO ND ND
<br /> 614/2001 17,92 16.14 ND ND ND ND ND ND ND
<br /> 9110/2001 20.76 13.30 0.5 0.6 1.8 3.4 4.9 ND ND
<br /> 12117/2001 1930 14.76 ND 0.4 ND ND ND ND ND
<br /> (36.43+) 9/26/2002 21.79 14.64 <0,5 <0.5 <D.5 <10 <0,5 <0.05 <0.5-5.0
<br /> 12/27/2002 19.95 16.58 <0.5 <0,5 <D,5 <1,0 93 <0.05 <0.5-5.0
<br /> 3/21/2003 18.34 18.09 <0.5 <0.5 <0,5 <1 A <0,5 <0.05 <0.5-5.0
<br /> 6125/2003 20.73 15.70 <0.5 <0.5 <0,5 <10 <0.5 <0.05 <0.5-5.0
<br /> 7122/2003 2L76 14.67 NA NA NA NA <0.5 NA NA
<br /> 8/19/2003 22.49 13.94 NA - NA NA NA <0,5 NA NA
<br /> 9130!20031 23,04 13.39 NS NS NS NS NS NS NS
<br /> MW-9(33.59) 605/2001 17,65 15.94 ND ND ND ND IS ND ND
<br /> 9110/2001 1956, 14,03 5.4 5.7 17 30 NO 0.24 ND
<br /> 12117/2001 18,66 14.93 0.7 2.4 1.4 5.8 ND 0.06 ND
<br /> (35.95#) 9126/2002 2191 14.04 <0.$ <05 <0,5 <1,0 0.8 <0.05 <0.5-5.0
<br /> 12/27/2002 18,83 17.12 <0.5 <0.5 <0.5 <1,0 2.1 <0.05 <0.5--5.0
<br /> 3/21/2003 17,91 18.04 <0.5 <0.5 <0,5 <1,0 2.5 <0.05 <0.5-5.D
<br /> 6/25/2003 2128 14.67 <0.5 <0.5 <0,5 <1,0 <0.5 <0.05 <0.5-5.0
<br /> 7/22/2003 22,43 13.52 NA NA NA NA 3.2 NA NA
<br /> 8/19/2003 23,15 12.80 NA NA NA NA 3.7 NA NA
<br /> 9/30/2003 22,46 13.49 <0.5 <0.5 <0.S 1 <I,0 4.9 10.5 <0.5-5.0
<br /> 9127/99 through 9/27)01 Groundwater Data Collected by Others Analvtical:
<br /> (ELEV)-Groundwater elevation relative to NAD83 datum B,T,E,X-benzene,toluene,ethyl benzene,and total xylenes,
<br /> Well cellar elevation resurveyed on September 30,2002 TPH-G-total petroleum hydrocarbons,quantified as gasoline.
<br /> (ELEV+)=Groundwater elevation relative to NAVD 83 datum Oxygeaates)additives include: Methyl-t-Butyl Ether(MTBE),Ethanal(EtOH),t-Butanol(TBA),Di-
<br /> Well collar elevation surveyed on November 5,2003 _ _ (TBA),Di-Isopropyl Ether(DIPS),Ethyl-t-Butyl Ether(ETBE),t-Amyl Methyl Ether
<br /> (ELEV+#)=Groundwater elevation relative to NAVD 83 datum (TAME),1,2-Dibromoethane(EDB),and 1,2-Dichloroethane(i,2-PCA).
<br /> NA-not analyzed.
<br /> DTW-Depth to water in feet below top of casing ND-not detected,
<br /> f4m=not measured
<br /> *=Well Purged Dry,excessive sedimentation NS-not sampled.
<br /> t-BTEX constituents collected prior to 9/26/02 were analyzed by EPA Method a02113,
<br /> Unit ConyerSlOns' pS/L:parts per billion(ppb) j=Samples collected prior to 9126102 were analyzed for TPH-G by EPA Method 5030/Luft
<br /> mg/L,pans per million(ppm) =Samples collected post 12/27102 were analyzed for TPH-G by EPA Method 801511.
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