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1 able ] <br /> GROUNDWATER ELEVATIONS AND SAMPLE ANALY I]CAL RFSUTA S <br /> Barnes rruckutg lauhly <br /> 1817 Socnh f ictino AVOWS <br /> Stockton,California <br /> Well Sampling IOC D I W GWE I OG '11111d I Pllb 11 1 if X M I Ith,81120 NI I M4 8260 Fut'l Oxys <br /> I D Date (feet) (feet) (feet) (µMIL) (µglL) (µ9l1,) (µ911,) (119/1,) (µg/[,) (µg/1,) (µ)J1,) (µg/L) (pg/l,) <br /> MW-4 1120/99 1977 876 1 l 01 --- --- 310 57 068 70 29 95 <1 0(4) <f 0-<20(4) <br /> 6121199 1977 894 1083 --- --- 130 0 98(1) <0 50(1) 0 56(1) 0 54(1) --- <0 50 <br /> 9/21199 1977 1018 959 --- --- 94 1 1 081 <0 50 <0 50 <5 0 <50 <5 0-<20 <br /> 12/14/99 1977 10 11 966 --- --- 86 <0 50 <0 50 <0 50 <0 50 <5 0 --- --- <br /> MW-5 <br /> --MW-5 1120199 1974 910 1064 -- --- 48,000 6200 480 1,800 3 300 <500 <20(4) <20-<400(4) <br /> 6/21199 NIA O --- --- --- --- --- --- --- --- --- <br /> -- --- --- <br /> 12/14/99 --- --- --- --- --- --- --- --- --- <br /> --- --- --- <br /> MW-6 <br /> --MW-6 1/20/99 2010 9 18 1092 --- - - 11 000 280 61 380 t20 fi t <5 0(,1) <5 0-<100(4) <br /> 6121199 2010 926 1084 --- - - 1 800 71 (1) 17(1) 120(1) 140(l) --- <0 5I I --- <br /> 9/21/99 20 10 1058 952 --- --- 2,300 49 16 61 72 <5 0 <50 <5 0-<20 <br /> 12/14199 2010 1052 958 --- --- 1,300 40 37 40 24 <5 0 --- --- <br /> Notes <br /> TOC Top of casing elevation referenced to project datum (f) 13 rEX analyccd by EPA method 8260 <br /> DTW Depth to water below TOC (2) TOC and GWE value,not apphcahlc,due,to well box damage <br /> GWE Groundwater cicvaUon(TOC-DTW) (3) MW-5 damagul <br /> BTEX Benzene,toluene,ethylbenzene and total xylenes by EPA Method 8020(modified) (4) FUJ Oxys analysed by GC/MS CPA Method 8240 <br /> MTBE Methyl tert-butyl ether by EPA Method 8020 or EPA Method 8260 <br /> 1 PHg I otal pelrolcuut hydrocarbons as gasoline by EPA method 8015(modified) <br /> 7 Plld Total ptlrolcum hydrocarbons as dtesLI by FPA method 8015 (modihul) <br /> OG 3 otal oil and grcasc,by 1'11A Method 8015 <br /> Fuel Oxys tea-Butanol,MTBE,Di-isopropyl ether,Ethyl-tert-butyl ether,and Cert-Amylmcthyl ether by GC/MS IPPA Method 8260 <br /> µg/L MiLrograms per liter <br /> --- Not analyzed or measured <br /> <##i# Not detected in concentrations exceeding indicated laboratory reporting limits(DLR) <br /> Page 2 Of 2 <br />