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TABLE 3-3 <br /> HISTORICAL GROUNDWATER ELEVATION AND ANALYTICAL DATA, 1992-1999 <br /> CAI_TRANS-STOCKTON YARD MAINTENANCE STATION, STOCKTON,CALIFORNIA <br /> _ Depth to `,Ground• Ethyl- Total <br /> Well I D, paw <br /> TOC Elevation Ground- water EleYatlot� TPI-$ TPH-d Benzene Toluene benzene Xylenes MTBE VOCs <br /> (ft above MSL) water (It above MSE.} (P$1L) ( ��") Cpl L} (1.1191L) benzene <br /> W/W {p 1I»} (ItglE.) <br /> VW-2 9123199 1 22 18 4959 1 -2741 4,300 300 1270 98 399 8690 32 4_024 <br /> MSL= Mean Sea Level <br /> TPH-g=Total Petroleum Hydrocarbons as Gasoline by EPA Method 8015M <br /> TPH-d=Total Petroleum Hydrocarbons as Diesel by EPA Method 8015M <br /> BTEX= Benzene,Toluene, Elhylbenzene, and Total Xylenes by EPA Method 8020 <br /> MTBE= Methyl Tertiary Butyl Ether by EPA Method 8020 <br /> <=Less than method detection limit <br /> NA= Not analyzed <br /> All measurements are presented in feel <br /> mglL=milligrams per liter <br /> pglL=micrograms per liter <br /> '=Laboratory report notation"the above samples do not appear to contain diesel" <br /> (<5)=MTBE confirmation by EPA Method 8260 <br /> 1 <br /> Page 9 of 9 S 1PROJ\41040100041SYYARDhrstorrcgwlSummary <br />