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SAN JOAQUIN PUBLIC HEALTH SERVICES/ENVIRONMENTAL H IVISION <br /> I. WORKSHEET FOR SITE CLOSURE EVALUATION DATE <br /> NAME OF FACILITYSWEEPS CODE <br /> ADDRESS TANK IO 9 <br /> TANK SIZE FUEL TYPE <br /> II. GENERAL SITE HISTORY <br /> *** <br /> Is permit current? Yes No Permit # - Facility Status Code 10111 Doc.SoiL/GW Cont Yes No <br /> Number of Tanks at facility a 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 ? 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 FTXE TPH-G TPH-0 Pb/ED8 <br /> Type of failure/discharge catastrophic long-term leakage7 overfitl unknown other: <br /> IV. REMOVAL HISTORY (ATTACH INSPECTION REPORT FOR SITE DETAILS/COLLECT DATA FOR LEACHING POTENTIAL ANALYSIS) <br /> Soil Samples Received Yes M No Depth to Ground Water ° i Ref/Yearloco I <br /> ; Average Annual Precipitation A= 14 10-25 <br /> On-Site Well(s) Yes No Number & Type Irr Doa Pub <br /> S Score S Score S Score <br /> Distance to WeLI(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 met E is met <br /> Minimum Depth to groundwater from the Soil Sample (feet) — >100 51-100 25-50\1 <br /> Fractures in subsurface (applies to foothills or mountain areas) I D 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) UNone Unknown Present <br /> Unique site features: Recharge area, coarse soil, nearby wells. At least More than <br /> xxxxxx None ona one <br /> COLUMN TOTALS»),TOTAL POINTS + _ <br /> Sample Result: (3 T X OR E) RANGE OF TOTAL POINTS 49 pts or more 41 - 48 pts pts or Les <br /> !t 06L B T 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 TPN 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 leas 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 precipitations 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 , _,t. -..1- <br /> 1. Are BTX & E or TPH Concentrations > ALlowebta Levels *Yes No C/ <br /> 2. Recommend Site Closure Yes No *If Yes, Refer to Site Mitigation for Evaluation <br /> -rel:hr h/ore)e,-fh-21? 'T' C]Y <br /> VII. REVIEW EVALUATION - TO BE COMPLETED BY A SUPERVISOR/SENSOR '` <br /> CONCUR 'WITH STAFF RECOMMENDATION FOR CLOSURE YES NOREFERRED TO SITE MITIGATION FOR EVALUATION YES INaLl <br /> DATE REFERRED / / DATE CLOSURE LETTER MAILED <br /> NAME OF <br /> EVALUATOR <br /> EH 23 80 (UGTWKSHT)\5/90 <br />