FIELD DOCUMENTS - Laserfiche WebLink

Home Browse Search

BANK 01% 1"%� IESTjFQRMER SHELL) Page 1 of 2 mow `s LTCP Checklist + GO GEOTRACKER HOME I MANAGE PROJECTS I REPORTS I SEARCH I LOGOUT BANK OF THE WEST(FORMER SHELL)(T0607700721)-MAP THIS SITE OPEN-ELIGIBLE FOR CLOSURE 1267 COUNTRY CLUB BLVD CLEANUP OVERSIGHT AGENCIES STOCKTON,CA 95201 ACTIVITIES REPORT SAN JOAQUIN COUNTY LOP(LEAD,-CASE#.505602 SAN JOAQUIN COUNTY PUBLIC WEEPAGE CASEWORKER:ANGELICA SANDOVAL MAR/N-SUPERVISOR:ADRIENNE ELLSAESSER VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CENTRAL VALLEY RWQCB(REGION 5S)-CASE#:390895 CASEWORKER:JAMES BARTON-SUPERVISOR:CORI CONDON CUF Claim#:18070 CUF Priority Assigned:D CUF Amount Paid:V THIS PROJECT WAS LAST MODIFIED BY ANGELICA SANDOVAL MAR/N ON 8/21/2014 4.10'.04 PM-HISTORY THIS SITE HAS UNAPPROVED SUBMITTALS.CLICK HfM TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. CLOSURE POLICY THIS VERSION IS FINAL AS OF 311412014 CHECKLIST INITIATED ON 1023/2012 CLOSURE POLICY HISTORY General Criteria-The site satisfies the policy general criteria-CLEAR SECTION ANSWERS YES a.Is the unauthorized release located within the service area of a public waters stem? Name of Water System: I California Water Service f' YES NO b.The unauthorized release consists only of petroleum info. 6 YES r NO c.The unauthorized('primary')release from the UST system has been stopped. f' YES r NO d.Free product has been removed to the maximum extent practicable info r FP Not Encountered r YES C NO e.A conceptual site model that assesses the nature,extent,and mobility of the release has been developed info. l` YES NO f Secondary source has been removed to the extent practicable Ji0t . YES r NO g.Soil or groundwater has been tested for MTBE and results reported in accordance with Health and Safety Code Section Not Required r YES r NO 2529615 h.Does a nuisance exist,as defined by Water Code section 13050. I' YES G. 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 ANSW E S EXEMPTION-Soil Only Case(Release has not Affected Groundwater-Info) r YES r NO Does the site meet any of the Groundwater specific criteria scenarios? YES NO 1.4-The contaminant plume that exceeds water quality objectives is<1,000 feet in length.There is no free product.The nearest existing water supply well or (.' YES t' NO surface water body is>1.000 feet from the defined plume boundary.The dissolved concentrations of benzene and MTBE are both<1,000 Pg/L. 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- NO specific conditions satisfy items 2a,2b,or 2c-CLEAR SECTION ANSWERS EXEMPTION-Active Commercial Petroleum Fueling Facility C YES OF NO Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? YES t: NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: Soil Gas Samples: r No Soil Gas Samples r Taken Incorrectly Exposure Type: r Residential l Commercial Free Product: f- In Groundwater I- In Soil r Unknown TPH in the Bioattenuation Zone: r>100 mg/kg r Unknown r Soil samples not taken at two depths within 5 ft.zone(only for Scenario 4 with BioZone) Bioattenuation Zone Thickness: ('<5 Feet(No BioZone) C z 5 Feet and<10 Feet ?10 Feet and<30 Feet r z 30 Feet r 30ft BioZone Compromised TPH>100mg/kg Unknown 02 Data in Bioattenuation Zone: G No Oz Data r'0.,4% r 02?4% Benzene in Groundwater: f'z 100 pgh and<1,000 pg/I r'?1,000 pgII r Unknown Soil Gas Benzene: r a 85 pglm3 and<280 ug/m3 r z 280 pg/m3 and<85,000 pg/m3 r t 85,000 pg/m3 and<280,000 pg/m3 r'z 280,00 pg/m3 C Unknown Soil Gas EthylBenzene: t'z 1.100 Ng/m3 and<3,600 Pglm3 C z 3,6(X)Ng/m3 and<1,100,000 Ng/m3 f->_1,100,000 pg/m3 and<3,600,000 pg/m3 r a 3,600,000 Ng/m3 Unknown Soil Gas Naphthalene C>_93 pg/m3 and<310 pg/m3 r z 310 Ng/m3 and<93,000 pg/m3 r i 93,000 Ng/m3 and<310,000 Ng/m3 r a 310,000 pg/m3 r Unknown 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 SECTION ANSWERS EXEMPTION-The upper 10 feet of soil is free of petroleum contamination YES t' NO Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? t' YES NO 3.1-Maximum concentrations of petroleum constituents in soil are less than or equal to those listed in the following tableL( INK)for the specified depth r YES C' NO below ground surface. Additional Information https:Hgeotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 8/22/2014