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lopsiwolv <br />- yf <br />4.0 oar' he I, <br />I r \*, 44 <br />MCC <br />V <br />;IV <br />KWALM114101% <br />lass Vall11041111P/I <br />OPPCII <br />r .0441111 <br />Wel <br />MONITORING WELL LOCATION <br />VAPOR EXTRACTION WELL LOCATION <br />DESTROYED VAPOR EXTRACTION WELL LOCATION <br />APPROXIMATE DUAL COMPLETION OZONE <br />INJECTION WELL LOCATION <br />MONITORUNG WELL LOCATION (TOP FILING STATION( <br />DESTROYED MOM-TOWNS WELL LOCATION (ARCO No. 5401 <br />[<0.501 BENZENE CONCENTRATION IN µg.t <br />ISO-CONCENTRATION CONTOUR LINE <br />(DASHED WHERE INFERRED) <br />— GASOLINE RANGE ORGANICS (GRO) IN NIL <br /><0.6B BENZENE CONCENTRATON IN <br /><LEE METHYL TERTARY BUTYL ETHER (MTBE1 N ,41 <br /><1 0_ 12-DICHLOROETHANE (I 2-DCA; N <br />to LEGEND: <br />et MIN-1 <br />4- VW-1 <br />X <br />G iw-2Ars <br />te) mw-1 <br />SOME <br />—1 <br />FOR MORE INFORMATION <br />You can obtain additional information on the State Water Resources Control Board's <br />GeoTracker website (https://geotracker.waterboards.ca.gov/). Please contact Mitch Messmer <br />with the Central Valley Water Board if you have any comments or questions about this Public <br />Notice or about the environmental cleanup activities for the Roek Construction case: <br />Mitch Messmer <br />Central Valley Regional Water Quality Control Board <br />11020 Sun Center Drive, Suite 200 <br />Rancho Cordova, CA 95670 <br />(916) 464-5817 <br />mitch.messmerwaterboards.ca .qov <br />Notice to the Hearing Impaired <br />TDD users can obtain information about the Site by using the California State Relay Service <br />(800) 735-2929 to reach the Public Participation Specialist. Ask them to contact the Central <br />Valley Water Board at (916) 464-3291 regarding the Public Notice for the proposed UST <br />case closure for Roek Construction. <br />Figure 1 <br />Source: Closure Evaluation Report, 30 January 2023. <br />Available on the GeoTracker website.