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f <br /> MtBE concentrations in soil <br /> @ 0-3 feet,bgs •NSB-3 N <br /> ® <0.006 mg/kg" <br /> P <br /> Q 0.006-0.18 mg/kg { NSB-4 <br /> € <br /> . ® Existing Monitoring Wells(MW-2613) - <br /> s <br /> ED New Monitoring Welts(MW-64A) tp NSB-2 iD <br /> E <br /> t <br /> • Historical Soilormgs{ -1} � <br /> (D <br /> • Now Soil Borings(NSB-e) MW-64B <br /> Q 135 � 1 <br /> ASTs NSB-1 <br /> 134 <br /> 137 <br /> Excavation Areas O <br /> 133 <br /> Buildings <br /> - 136 <br /> Oil-water separator _ 132 138 t4�,.1,-1 2 R <br /> [AN-15A <br /> Underground Utility Locations <br /> NSB-0 �L o MVV-36UA <br /> pipeline 1-=.i UA <br /> main product line ®tVitr4r 2® ®U-4 131 f 138 <br /> oil-water separator � <br /> electric arehouse �TVV-2 S -5 MW-25A <br /> 40 5®MW-37UA MW-14A ! <br /> Mtn 5iA <br /> gas line MW 65A MW-42UA B- PLA ® MW-lUA <br /> phone "MW-61U ® PL-2 .-26A SB-12 15 <br /> water <br /> S 13 NSB-7 <br /> f�, MW-27A .B-14 <br /> MWS ®PL=1 -39UMW--38UA <br /> ®� TW-1 PL-7 139 <br /> TTLR PL-8 4rNSB-8 <br /> --- MW-62UA <br /> --�—Schedule of Tankage- - ` Warehouse <br /> Tank Contents- } pL-9 <br /> f 131 Supreme Unleaded <br /> 132 Mid Grade Unleaded ; pL-4 Office MW 44A <br /> 133 Firewater17 NSB-10 <br /> 134 Red-Dye Diesel <br /> -- { MW-6A `MW-63A <br /> 135 Transmix Varieties i ® TTLR PL-5 <br /> 138 Firewater � i <br /> 137 New Ethanol CNSB-15 MW-46A <br /> 138 DieselUnleaded --- CNSB-16 / NSB-14 <br /> i. 139 •PL-6 ®W 34t1A <br /> >1 <br /> MW-35UA 8-18 <br /> Explanations: NSB-11 <br /> MtBE=Methyl-tett butyl ether ®NSB-12 <br /> mg/kg=milligrams per kilogram 5Q SB 9 <br /> NSB=New soil borings(displayed In red) - <br /> SB=Historical soil borings(displayed in black) �SB-17 <br /> ASTs=Above-ground storage tanks <br /> "=The laboratory detection limits(LDL)for MtBE in soil were <br /> generally 0.001 mg/kg,however some LDL were greater SB-20 <br /> than 0.001g The lowest detection of MtBE was/k . 3017 Kilgore Suite 1 Road, Che�ranTexaco Terrninial#1001621 Chevron Fuel <br /> 0.007 mg/kg,therefore the value of 0.006 mg/kg was •NSB-13Rancho Cordova, 22888 Kasson Road <br /> used to represent non-detect values for MtBE in soil. <br /> E <br /> Nate that some LDL are greater than 0.006 mg/kg. California Banta,California <br /> t <br /> >oaw.ncNs+szs.os <br /> o n so too MtBE Concentrations in Shallow Soil (0- 3 feet, bgs) <br /> aso aoo <br /> Feet DWG:MK!DSN:GM <br /> ® APM SG 03MM3 <br /> Plate 7 <br />