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SAN JOAQUIN Cr" -Y PUBLIC HEALTH SERVICES/ENVIRONMENTAL HEAT DIVISION <br /> 1-. %of WORKSHEET FOR SITE CLOSURE EVALUATION .,ol DATE <br /> NAME OF FACILITY SWEEPS CODE <br /> ADDRESS TANK ID #j-_Z9 <br /> TANK SIZE "Yl FUEL TYPE 10- <br /> II. GENERAL SITE HISTOVOR <br /> *** <br /> Is permit current? Yes No Permit # - Facility Status Code Doc.Soil/GW Cont Yes No <br /> Number of Tanks at facility t Age of Tanks(if available) Type of Tank Steel Fbrgl Sngl Dual <br /> 111. TANK HISTORY <br /> Was Tank tested? Yes No Failed precision test 7 Yes No If yes, give date(s) <br /> Was a repair made to the tank system? Yes No If yes, what was repaired <br /> Was repair done under inspection? Yes No Were soil samples analyzed? Yes No BTXE TPH-G TPH-DI I Pb/EDB <br /> Type of failure/discharge catastrophic tong-term leakage overfill unknown other: <br /> IV. REMOVAL HISTORY (ATTACH INSP CTION REPORT FOR SITE DETAILS/COLLECT DATA FOR LEACHING POTENTIAL ANALYSIS) <br /> Soil Samples Received Ye No Depth to Ground Water Ref/Year Average Annual Precipitation A= 14 10-25 <br /> On-Site Wells) Yes A No Number & Type Irr i Dan - Pubi <br /> S Score S Score 5 Score <br /> Distance to WeLL(s) from Tank ft; ft; ft C 10 pts C 9 pts C 5 pts <br /> 0 if O if 0 if <br /> R condition R condition R condition <br /> V. Site Feature - Leaching Potential Analysis E is met E is met E is met <br /> Mini mm Depth to groundwater from the Soil Sample (feet) O >100 51-100 25-50\1 <br /> Fractures in subsurface (applies to foothills or mountain areas) None 9 Unknown Present <br /> Average Annual Precipitation (inches) xxxxxx <10 9 10-25 xxxxxxx 26-40\2 <br /> Man-Made conduits which increase vertical migration <br /> of leachate (i.e., septic systems, water weLLs, ponds) None Unknown Present <br /> Unique site features: Recharge area, coarse soil, nearby wells. At least More than <br /> xxxxxx None one one <br /> COLUMN TOTALS»>TOTAL POINTS l + + = 3� <br /> Sample Result: (B T X OR E) RANGE OF TOTAL POINTS 49 pts or more 41 - 48 pts 40 pts or less <br /> BT X E B� T X E <br /> MAXIMUM ALLOWABLE B-T-X-E LEVELS (PPM) 1 50 50 50 .3 .3 1. 1. NA\3 <br /> Sample Result: GASOLINE 1000 - 100 10 <br /> MAXIMUM ALLOWABLE TPH LEVELS (PPM) <br /> _TPH DIESEL 10,000 1000 100 <br /> FOOTNOTES: ***If documented soil and/or ground water contamination is present, do not complete the Leaching potential <br /> analysis. (i.e., site is currently on UGT Contamination List for soil or ground water.) <br /> \1 If depth is > 5 ft. and < 25 ft., score 0 points. If depth <=5 ft., do not use table. <br /> \2 If precipitation is > 40 inches, score 0 points. <br /> \3 Levels for BTX&E are not applicable at a TPN concentration of 10 ppm (gasoline) or 100 ppm (diesel). <br /> VI. STAFF RECOMMENDATION/CONCLUSION <br /> 1. Are BTX & E or TPH Concentrations > Allowable Levels *Yes VIN01 <br /> 2. Recommend Site Closure Yes No F *If Yes, Refer to Site Mitigation for Evaluation <br /> VII. REVIEW EVALUATION - TO BE COMPLETED BY A SUPERVISOR/SENIOR <br /> CONCUR WITH STAFF RECOMMENDATION FOR CLOSURE YES NO REFERRED TO SITE MITIGATION FOR EVALUATION YES NO <br /> DATE REFERREDDATE CLOSURE LETTER MAILED <br /> NAME OF - <br /> EVALUATOR <br /> EH 23 80 (UGTWKSHT)\5/90 <br />