SITE INFORMATION AND CORRESPONDENCE FILE 3

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Updated: 7/9/2002 - REMEDIAL OVERSIGHT PROGRAM Report#: 7540 Printed: 7/9/2002 SITE DATA Page#: 1 Remedial Oversight Record ID: R00000087 Facility ID: FA0006438 Site Cod 1995123 RWQCB Site ID: Location Site Name:BP/TOSCO#11192/CIRCLE K Substance:8006619-Gasoline Petroleum? Y Site ContactDAVE CAMILLE District: 001 -GUTIERREZ,STEVE Site Address:]403 W COUNTRY CLUB BLVD Location Code: 01 -STOCKTON STOCKTON CA 95204 Phone:209-943-2082 Fax: Email: Case Type:A-Drinking Water Aquifer used f APN:123-232-0667 Number of Monitoring Wells: 10.00 Fund Source:F-Federal Latitude: Free Product: Assigned to:EE0000684-INFURNA Longitude: Depth to GW:12.80'ft Current Status: Contract Status:5 Dates&Info Reported:5/30/1989 Confirmed:6/8/1989 RP Search:S-RP Identified and Solvent RP Search Started:1/26/1990 RP Search Ended:3/7/1990 Preliminary Assessment:C-Completed Preliminary Assessment Started:3/11/1989 Preliminary Assessment Ended:7/26/1990 Remediation Investigation:U-Underway Remediation Investigation Started:7/26/1990 Remediation Investigation Ended: Remedial Action: Remedial Action Started: Remedial Action Ended: Post Remediation Monitoring: Post Remediation Monitoring Started: Post Remediation Monitoring Ended: Case Closed: Case Closed Date: Contaminated Soil left in Place: Emergency Response: Remedial Action#1: Federal Exempt:N Remedial Action#2: Case List: Remedial Action#3: Enforcement Action Taken: Remedial Action#4: Enforcement Action:Y-Warning Letter or Notice of Violation issued Remedial Action#5: Enforcement Type2-Warning Letter or Notice of Violation issued Remedial Action#6: Exclude from Export?N Remedial Action#7: LUFT Considerations: Agencies Interim Remediation: N Interim Remediation Date: LUSTIS Update: Last Technical Correspondence:6/26/2002 Review Status: Category: LOP Agency:l DP-Local Oversight Program funded UST Local Agency:LOP-Local Oversight Program funded UST Lead Agency:39000-San Joaquin County EHD LOP Site(Pilot Program): Y Financial Program Element Code:3526-LOP GW SITE Comments 2-18-02:HIGH MtBE(160,000 ug/1)IN GW AT MW-3&7 11-09-01 NOW DOWN TO 800 ug/I,BUT TBA NOW UP TO 240,000 ug/1 in MW-3 AND 220,000 ug/I in MW-7.TOSCO CONSULTANT,GRI,CLAIMS 5 DAY DPE TEST PROVIDED DISSOLVED OXYGEN TO PROVIDE BREAKDOWN OF MtBE TO TBA IN MAY 8,2002 GRI REPORT"VERIFICATION AND EVALUATION OF TBA in GW"... 4-23-02: EHD CORRESPONDENCE REJECTS"CAP"AND REQUIRES FIELD TESTING,COSTS,AND TIME IN REVISED CAP DUE AT EHD. 7-9-02: EHD REVIEWS GRI's"UPDATED CAP"DATED JUNE 26,2002 HERE JULY 2,2002. SLIGHT ARGUMENT ABOUT FIELD TESTING AND CONCLUDES SINCE OZONE WORKING AT OTHER TOSCO SITE WITH'SIMILAR'LITHOLOGY, IT SHOULD WORK HERE. ARGUES THAT 6-MONTH 'INTERIM'TEST AS EHD REQUIRED WOULD BE WASTE OF TIME,AND WORK PLAN INCLUDED CALLS FOR 10 SHALLOW OZONE POINTS ONSITE AND ON AND OFFSITE MONITORING WELL INSTALLATIONS FOR GW DEFINITION. TWO DEEP(SCREENED 70'to 80'bgs)ONSITE PROPOSED MW-15&16 TO BE CONDUCTOR CASED TO AROUND 30'bgs. ALSO ONE SHALLOW(SCREENED 10'to 30'bgs)WELL ONSITE,MW-12 AT NE CORNER OF SITE. TWO OFFSITE,DEEP SCREENED(70'to 80'bgs)DOWN GRADIENT IN COS ROW ON ELMWOOD AVE,EACH SIDE OF PERSHING, PROPOSED ALSO...COS ENCROACHMENT PERMIT#EP-02-171CC AND REVOCABLE PERMIT#02-09W ISSUED MAY 8,2002 AND VALID TO AUG 15-02. Legacy Release Information The fields in this section are being replaced with new forms Released Substances,Samples,Analytes in order to comply with GEMIS. These fields will be removed at the end of 2001. To retain this data,it must be entered in the forms noted above. Released Substances Concentrations(ppb) Dissolved Constituent:TPH-g Maximum Concentrations Current Concentrations Maximum MTBE Date:I 10901 TPH-Soil:550 ppm Excavation Started: TPH-GW: 52,000 ppb TPH-GW:I 50 ppb Benzene-Soil:.82 ppm Benzene-GW:100.ppb Benzene-GW:12ppb MTBE-Soil:3 ppm MTBE-GW:160000 ppb MTBE-GW:800 ppb