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MW-9 <br /> <50 <br /> 30'RADIUS QYP.) <br /> T <br /> RIVARA <br /> ROAD O <br /> / \ vm <br /> Z <br /> LEGEND: <br /> MW-4 0 GROUNDWATER MONITORING WELL <br /> ® O <br /> - -_ MW 22 I •^ .,, VAPOR WELL EXISTING <br /> � ® <br /> 1 31,000 I -m ® SPAflGE WELL EXISTING <br /> SPARGE WELL PROPOSED <br /> l <br /> 14,000 TPPH CONCENTRATION (MICROGRAMS PER LITER) <br /> TPPH ISOCONCENTRATION CONTOUR <br /> MW-13 MW 14 <i \1 \ MW e APPROXIMATE PROPERTY BOUNDARY <br /> MW-12R 110,000 11,0g0 \ <br /> 17 I ® /1 MW-� \ <br /> 1 MW-17 I M1A�15� \� ® ✓ NOTES: <br /> MW-16 <br /> I ® Contour lines are interpretive and based on laboratory analysis <br /> results of groundwater samples. TPHg (GC/MS) = total petroleum <br /> MW-zD hydrocarbons with gasoline distinction utilizing EPA Method 8260B. <br /> 190 -` II / / ® I ® ® pg/L = micrograms per liter. NO = not detected at limit indicated on <br /> official laboratory report. J = estimated concentration, value is <br /> 1 \ 1�/ ®®® � between the Method Detection Limit (MDL) and the Practical <br /> MW <br /> Quantitation Limit (PQL). UST = underground storage tank. <br /> M 19 ® *Laboratory report TPHg concentration to represent MTBE (methyl <br /> tertiary butyl ether). <br /> MW-4R ' <br /> 1 <br /> <50 <br /> i <br /> MW-5 , MW-7Q <br /> 0 <50 <br /> 7-11 STORE <br /> u <br /> 0 30 60 <br /> w <br /> 9 <br /> APPROX, SCALE, FT <br /> REFERENCE: DISSOLVED PHASE TPHg DEEP ZONE ISOCONCENTRATION MAP PROJECT NUMBER: Z650000061 DATE: Bn3n7 FIGURE <br /> THIS FIGURE IS BASED ON HISTORICAL SITE PLANS PROVIDED BY (SECOND QUARTER 2012) APPROVED BY: JH DRAWN <br /> PREVIOUS CONSULTANTS,AN IMAGE FROM GOGGLE MAPS,AND <br /> SURVEYS PERFORMED BY STANTEC CONSULTING ON 6/7110 AND BY PHILLIPS 66 STATION NO. 5449 ® 1117 Lone Palm Avenue, Ste. 201 <br /> m MORROW SURVEYING PERFORMED ON 6/16111.NOTE: SOME <br /> HISTORICAL FIGURES CONTAINED CONTRADICTORY INFORMATION. 7647 PACIFIC AVENUE AVModesto, California 95351 <br /> h PROPOSED BUILDING LOCATION PROVIDED BY TORRES **x <br /> ARCHITECTS, INC. STOCKTON, CA Ph: (209) 579-2221 Fax: (209) 579-2225 <br />