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SAN JOAQUIN CC4USLIC HEALTH SERVICES/ENVIRONMENTAL HEAL 0IVISION <br /> I. UG WORKSHEET FOR SITE CLOSURE EVALUATION DATE <br /> NAME OF FACILITY .1�4SWEEPS CODE <br /> ADDRESS TANK ID # <br /> TANK SIZE FUEL TYPE <br /> II. GENERAL SITE HISTOFVf �.. <br /> Is permit current? Yes No Permit # - Facility Status Code DOc.Soi L/GW Cont Yes No <br /> Number of Tanks at facility Age of Tanks(if available) Type of Ta Stee FbrgL Sng Dual <br /> 111. TANK HISTORY <br /> Was Tank tested? Yes No Failed precision test ? 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? YesNo BTXE TPH-G TPH-D Pb/EDB <br /> Type of failure/discharge catastrophic long-term leakage overfill unknown other: <br /> IV. REMOVAL HISTORY (ATTACH INSPECTION REPORT FOR SITE DETAILS/COLLECT DATA FOR LEACHING POTENTIAL ANALYSIS) - <br /> Soft Samples Received Yes No Depth to Ground Water Ref/Year Average Annual Precipitation A= 14 10-25 <br /> On-Site WeLL(s) Yes No Number & Type Irr Dom Pub <br /> S Score S Score S Score <br /> Distance to WeLL(s) from Tank ft; ft; ft C 10 pts C 9 pts C 5 pts <br /> 0 if 0 if 0 if <br /> R condition R condition R condition <br /> V. Site Feature - Leaching Potential Analysis E is met E is me[ E is met <br /> Minimum Depth to groundwater from the Soil Sample (feet) >100 51-10025-5QU J+`I <br /> Fractures in subsurface (applies to foothills or mountain areas) None 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 oneone <br /> COLUMN TOTALS»>TOTAL POINTS (,)� _ <br /> Sample Result: (B T X OR E) RANGE OF TOTAL POINTS 49 pts or more 41 - 48 pts 40 pts or less <br /> �3-✓k�'t' 37/S,In.°J�Y-% B T X E B T X I E —" <br /> "�'��Dv-•• 81`iµoJ MAXIMUM ALLOWABLE B-T-X-E LEVELS (PPM) 1 50 50 50 .3 .3 1. 1. NA\3 <br /> Sample Result: (p GASOLINE 1000 100 10 <br /> ��Op -(\c.. l `tee MAXIMUM ALLOWABLE TPH LEVELS (PPM) DIESEL 10,000 1000 100 <br /> <g, `F-"LTPH D <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 soft 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 TPH 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 No <br /> 2. Recommend Sfte Closure Yes No '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 REFERRED / / DATE CLOSURE LETTER MAILED <br /> NAME OF <br /> EVALUATOR <br /> EH 23 80 (UGTWKSHT)\5/90 <br />