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i <br /> 7 <br /> a' Y• <br /> .�.a Table I <br /> 1` Summary of Results of Ground Water Sampling <br /> CalTrans Shop 10 Facility <br /> 1603 South B Street <br /> Stockton, California <br /> Project No. 30-517 <br /> Concentrations in Parts Per billion (ppb) <br /> T E X LAS <br /> Y WELL DATE OF CASING DEPTH TO FREE PRODUCT GROUND WATER TPH-G B <br /> ID SAMPLING/ ELEVATION WATER THICKNESS ELEVATION <br /> MONITORING (ft) (ft) (ft) (ft) <br /> --- 5 "3400 60 8.0 NO 170 NET <br /> MW_9 05/04/90 100.37 60.42 40.4 2100 310 10 1.7 32 CI- <br /> MW_9 05/17/91 100.07 65.34 0.00 35.53 _ --- --- <br /> 35.04 -- _.- <br /> MW-9 07/05/91 100.87 65.83 0.00 ----------------------------------- --------- <br /> LEGEND: <br /> ND :Not Detected above reported detection limits. <br /> TPH-G :Total Petroleum Hydrocarbons a$ Gasoline CI :ChromaAab, Inc_ <br /> e :Benzene a :Could not remove the caP on MW-1 well casing. <br /> T :Toluene <br /> E :E►_hYlbenzene <br /> X :Xylenes <br /> t <br /> Casing elevations were determined by Woodward-Clyde Consultants <br /> and are relative to the assigned datum o4 +100.00 feeL for top of ca3Lng of MW-7,--------- ---------- <br /> --------------- ------ <br /> _ ----^-------------------^---^-------------------------^------------^------ - <br /> r <br />