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RMC PACIFIC MATERIAL`cy'..r Page 1 of 1 LTCP Checklist GO GEOTRACKER HOME I MANAGE PROJECTS I REPORM I sSEARCH I LOGOUT RMC PACIFIC MATERIALS(70607700371)-MAP THIS SITE OPEN-VERIFICATION MONITORING 30350 TRACY BLVD S CLEANUP OVERSIGHT AGENCIES TRACY,CA 95376 ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP(LEAD)-CASE#:1737 SAN JOAQUIN COUNTY PUBLIC WEBPAGE CASEWORKER:VICKI MCCARTNEY-SUPERVISOR:ADRIENNE ELLSAESSER VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CENTRAL VALLEY RWQCB(REGION 5S)-CASE#.390476 CASEWORKER:JAMES BARTON-SUPERVISOR:CORI CONDON THIS PROJECT WAS LAST MODIFIED BY NOEL NENDERSON ON 6/27/2014 1:27:02 PM-_HISTORY THIS SITE HAS SUBMITTALS.CLICK J=TO OPEN ANEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. CLOSURE POLICY THIS VERSION IS FINAL AS OF&27/2014 CHECKLIST INIMA TED ON 72/152012 CLOSURE POLICY HISTORY General Criteria-The site satisfies the policy general criteria-CLEAR SECTION ANSWERS NO a.Is the unauthorized release located within the service area of a public water system? r YES 0 NO b.The unauthorized release consists only of petroleum fiafgI. r YES r NO c.The unauthorized("primary')release from the UST system has been stopped. !: YES r NO d.Free product has been removed to the maximum extent practicable law. G FP Not Encountered r YES r NO e.A conceptual site model that assesses the nature,extent,and mobility of the release has been developed(info). r YES r NO f.Secondary source has been removed to the extent practicable Ijof4l. R' YES r NO g.Soil or groundwater has been tested for MTBE and results reported in accordance with Health and Safety Code Section r Not Required G YES r NO 25296.15. h.Does a nuisance exist,as defined by Water Code section 13050. YES r. NO 1.Media-Specific Criteria:Groundwater-The contaminant plume that exceeds water quality objectives is stable or decreasing in areal extent,and YES meets all of the additional characteristics of one of the five classes of sites listed below.-CLEAR SECTION ANsVYERs EXEMPTION-Soil Only Case(Release hasnol Affected Groundwater-Inf2) r YES r NO Does the site meet any of the Groundwater specific criteria scenarios? 0' YES r NO 1.1-The contaminant plume that exceeds water quality objectives is<100 feet in length.There is no free product.The nearest existing water supply well or r YES r NO surface water body is>250 feet from the defined plume boundary. 2.Media Specific Criteria:Petroleum Vapor Intrusion to Indoor Air-The site is considered low-threat for the vapor-intrusion-to-air pathway if site YES -specific conditions satisfy,items 2a,2b,or 2c-CLEAR SECTION ANSWERS EXEMPTION-Active Commercial Petroleum Fueling Facility r YES r NO Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? r' YES r NO 2c-Petroleum Vapor Intrusion to Indoor Air-The regulatory agency has determined petroleum vapors migrating from soil or groundwater will have no significant risk of adversely affecting human health as a result of controlling exposure through the use of mitigation measures or through the use of G YES r NO institutional or engineering controls. 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoor air exposure YES if it meets 1,2,or 3 below.-CLEAR sEcnoN ANSWERS EXEMPTION-The upper 10 feet of soil is free of petroleum contamination r YES 0 NO Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? r" YES r NO 3.1-Maximum concentrations of petroleum constituents in soil are less than or equal to those listed in the following table(LINK)for the specked depth 0_1 YES r NO below ground surface. Additional Information Should this case be closed in spite of NOT meeting policy criteria? r YES 0 NO Has this LTCP Checklist been updated for FY 13/14? M YES r NO SPELL CHECK Save Form as Partially Completed Save Form as Complete LOGGED IN AS HENDERSONN CONTACT GEOTRACKER HELP https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_i d=TO... 6/27/2014