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SAN JOAQUIN C, PUBLIC HEALTH SERVICES/ENVIRONMENTAL HEI DIVISION <br /> I. �('Ii,ST WORKSHEET FOR SITE CLOSURE EVALUATION DATE e v <br /> NAME OF FACILITY r IS tv d SWEEPS CODE <br /> ADDRESS p d I SOIL ITANK ID #1-31 <br /> - (S� <br /> TANK SIZE � <br /> FUEL TYPE jt� 37 <br /> 9— ( �51 S <br /> I1. GENERAL SITE HISTORY IO sa <br /> rrr <br /> Is permit current? Yes No Permit # - Facility Status Code Doc.Soi L/GW Cont as No <br /> Number of Tanks at facility Age of Tanks(if available) Type of Tank Steel FbrgL Sngl Dual <br /> III. 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-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 /> Soil Samples Receiv s No Depth toGround Water Ref/Year L Average Annual Precipitation A= 14 10-25 <br /> On-Site Well(s) Yes No Number 8 Type Irr Dom Pub <br /> S Score S Score 5 Score <br /> Distance to WeLL(s) from Tank ft; ft; ft C io 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 met E is met <br /> Minimum Depth to groundwater from the Soil Sample (feet) O >100 0 51-100 25-50\1 <br /> Fractures in subsurface (applies to foothills or mountain areas) tN.ne Unknown Present <br /> Average Annual Precipitation (inches) 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) Unknown Present <br /> Unique site features: Recharge area, coarse soil, nearby wells. At Least More than <br /> one one <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 /> B T X E <br /> BTT <br /> T % E <br /> MAXIMUM ALLOWABLE B-T-X-E LEVELS (PPM) 1 50 50 50 .3 .3 1. t. 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., scare 0 points. If depth <=5 ft., do not use table. <br /> \2 If precipitation is > 40 inches, score0 points. <br /> \3 Levels for BTXBE are not applicable at a TPH concentration of 10 ppm (gasoline) or <br /> 1000 pp-ppm (diesel). <br /> VI. STAFF RECOMMENDATION/CONCLUSION <br /> t. Are BTX & E or TPH Concentrations > Allowable Levels *Yes No 7 <br /> 2. Recommend Site Closure Yes 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 />