FIELD DOCUMENTS - Laserfiche WebLink

Home Browse Search

3&-ztwc M KNOWLES STATION Ntu�/� ii,oa6 59 Page 1 of If LTCP Checklist ® tiEOTRACKER HOME MANAGE PROJECTS I REPORTS I SEARCH I LOGOUT KNOWLES STATION(T0607700078)-MAP THIS SITE OPEN-REMEDIATION 1140 HAMMER LN W CLEANUP OVERSIGHT AGENCIES 1140 HAMMER ACTIVITIES REPORT SAN JOAQUINCOUNTYLOP(LEAD)-CASE#:1124 CASEWORKER:HARLIN KNOLL-SUPERVISOR:ADRIENNE ELLSAESSER SAN JOAQUIN COUNTY PUBLIC WEEPAGE CENTRAL VALLEY RWOCB(REGION 5S)-CASE#:390107 VIEW PRINTABLE CASE SUMMARY FOR THIS SITE CASEWORKER:,LAMES BARTON-SUPERVISOR:BRIAN NEWMAN CUF Claim#:854 CUF Priority Assigned:B CUF Amount Paid:5310.509 THIS PROJECT WAS LAST MODIFIED BY HARUN KNOLL ON 6/18/2013 8:00.24 AM-HI T RY THIS SITE HAS SUBMITTALS.CUCKffM TO OPEN A NEW WINDOW WITH THE SUBMITTAL APPROVAL PAGE FOR THIS SITE. CLOSURE POLICY THIS VERSION IS IN PROGRESS AS OF 5/29/2013 CHECKLIST INITIATED ON 6/28/2013 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: IStoCklon East Water Dist. _IX—VES NO b The unauthorized release consists only of petroleum Linfool. ,D YES r NO c.The unauthorized("primary")release from the UST system has been stopped. A YES r NO d.Free product has been removed to the maximum extent practicable fi= FP Not Encountered (- YES (' NO e.A conceptual site model that assesses the nature,extent,and mobility of the release has been developed i o. *"!ES NO f.Secondary source has been removed to the extent practicable Jium. YES C NO g.Soil.or groundwater has been tested for MTBE and results reported in accordance with Health and Safety Code Section 25296 r Not Required YES r NO h.Does a nuisance exist,as defined by Water Code section 13050, YES ( i 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 characterisfics of one of the five classes of sites listed below.-CLEAR SECTION ANSWERS EXEMPTION-Soil Only Case(Release has not Affected Groundwater-Info) YES `*1110 Does the site meet any of the Groundwater specific criteria scenarios? YES (' 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 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- NO specific conditions Satisfy items 2a,2b,or 2c-CLEAR SECTION ANSWERS EXEMPTION-Active Commercial Petroleum Fueling Facility r YES I✓'F10 Does the site meet any of the Petroleum Vapor Intrusion to Indoor Air specific criteria scenarios? YES NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: Soil Gas Samples: C No Soil Gas Samples (-Taken Incorrectly Exposure Type: (' Residential (-Commercial Free Product: (- In Groundwater (' In Soil (- Unknown T ' the Bioattenuation Zone: 7 100 mg/kg r' Unknown r Soil samples not taken at two depths within 5 ft.zone(only for Scenario 4 with BioZone) 0-17 Cw F (r too Bioattenuation Zone Thickness (- <5 Feet(No BioZone) r'✓5 Feet and<10 Feet r a 10 Feet and<30 Feet (-a 30 Feet ('3Dft BioZone Compromised TPH>100mylkg ('Unknown 02Da in Bioattenuation Zone: XNo 02 Data (-02<4% ('02 a 4% Benzene in Groundwater: (-i.100 pg/I and<1,000 pg/I /t 1,000 pg/I (- Unknown Soil Gas Benzene: (-z 85 pglm3 and<280 pg/m3 r 2 280 pg/m3 and<85,000 pg/m3 (->_85.000 pg/m3 and<280,000 pg/m3 (->_280,000 pg/m3 / Unknown Soil Gas EthylBenzene: (-z 1,100 pg/m3 and<3,600 pg/m3 C>3,600 Ng/m3 and<1,100,000 Ng/m3 (-s 1,100,000 pg/m3 and<3,600,000 pg/m3 >_3,600,000 pg/m3 /Unknown Soil Gas Naphthalene: O z 93 p9/m3 and<310 pg/m3 (-s 310 pg/m3 and<93,000 pg/m3 (-z 93,000 Ng/m3 and<310,000 Ng/m3 ('z `310,000 pg/m3 V Unknown 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact and outdoor air exposure Hit meets 1,2,or 3 below.-CLEAR SECTION ANSWERS NO EXEMPTION-The upper 10 feet of soil is free of petroleum contamination (- YES (• NO Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? YES (- NO ADDITIONAL QUESTIONS-Please indicate only those conditions that do not meet the policy criteria: Exposure Type: (- Residential G Commercial (-Utility Worker https://geotracker.waterboards.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 6/28/2013