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r loom r r m r rr r ! rr r r r r r r4r r <br /> Project No 58100-06-62 <br /> June 18 1996 <br /> Page 3 of 3 <br /> TABLEI <br /> CUMULATIVE SUMMARY OF GROUNDWATER MONITORING DATA AND ANALYTICAL RESULTS <br /> CALTRANS STOCKTON YARD MAINTENANCE FACILITY <br /> STOCKTON,CALIFORNIA <br /> WELL ID DATE DEPTH TO TOC GROUNDWATER TPHg TPHd B T E X MTBE SAMPLED <br /> GROUNDWATER ELEVATION (ugA) (ugA) (UFA) (9 (ugA) (ugA) u0) BY <br /> MW-12 215196 6350 2219 -4131 <50 <50 <0 3 <0 3 <0 3 <0 3 <0 5 Geocon <br /> MW-12 4111196 6189 2219 -3970 — — — — — — --- Ge0Con <br /> MW-12 4122196 6162 2219 -3943 <50 100 <0 5 <0 5 <05 <0 5 <0 5 Geocon <br /> Notes ug/1=Nhcrograms per liter AG=Alton Geosciences <br /> TOC=Top of casing EA=Environmental Assessors,Inc <br /> TPHg=Total petroleum by drocarbon as gasoline N&M=Nunyo&Moore <br /> TPHd=Total petroleum bydrocacbot as diesel *=Laboratory report notatin"the above samples donot appear to contam diesel" <br /> BTEX=Benzene toluene,ethylbeazene and total xylenes **=Depth to water measured on 215/96 <br /> MTBE=Meth)1-teR-butyl-ether --=Not tested <br /> Depth to Groundwater measured in feet from top of well casing <br /> Groundwater elevations for 04/06/92%N ere recalculated using the Caltrans survey performed on 10/27/93 <br /> i <br />