Laserfiche WebLink
0 0 <br />SAN JOAQUIN COUNTY ENVIRONMENTAL HEALTH DEPARTMENT <br />UST WORKSHEET FOR SITE CLOSURE EVALUATION <br />I. FACILITYffANK INFORMATION DATE: April 4, 2014 <br />SITE/FACILITY NAME: I SJ RTD STATUS CODE: 150 <br />ADDRESS: 11533 Lindsav CITY: I Stockton <br />FA#: FA0003749 PR#: PR0531158 TANK # 39-0115813 <br />TANK SIZE: 6,000 allon FUEL TYPE: Used Oil (RTD &samples refer UST as T8) <br />II. GENERAL SITE HISTORY <br />Is Permit Current? Yes Documented Soil/GW Contamination?"" No <br />Number of Tanks at Facility 8 Age of Tanks (if available) 122 years Type of Tank : Fiberglass <br />Was Tank Tested? ❑ Yes x No <br />Failed Testing? C3 es x No <br />If Yes, Provide Dates: <br />Was Tank System Repaired? ❑ Yes ❑ No <br />If Yes, Describe Repair: <br />Was Repair Done Under Permit? Ll Yes Ll No <br />No <br />Were Soil Samples Analyzed? x Yes L35 <br />BTEX T TTPC-k, VOC, <br />etCB <br />oxy, 5LUFT MetCrVI PCB <br />Type of Failure/Discharge: ❑ Catastrophic ❑ Long-term Leak ❑ Overfill ❑ Unknown ❑ Other <br />Soil Samples Received? ❑ Yes ❑ No <br />Seasonal High Depth to GW 33 ft bgs <br />Year/ Reference <br />1983 <br />Onsite and/or Nearby Well(s)? Yes <br />L3 Irrigation: # Distance to Tank _ It <br />Score 10 <br />C <br />Score 9 <br />C <br />L3 Domestic: # Distance to Tank _ ft <br />C <br />points if <br />0 <br />points if <br />0 <br />Score 5 points if <br />L3 Public: # Distance to Tank ft <br />R <br />condition is <br />R <br />condition is <br />R <br />condition is met <br />E <br />met <br />E <br />met <br />E <br />V. SITE FEATURE— LEACHING POTENTIAL ANALYSIS <br />Minimum Depth to Groundwater from Soil Sample (feet) <br />>100 <br />51-100 <br />5 <br />25 - 501 <br />Fractures in Subsurface (applies to foothill or mountain areas) <br />10 <br />None <br />Unknown <br />Present <br />Average Annual Precipitation (14 inches for SJC area) <br /><10 <br />9 <br />10-25 <br />-------- <br />26-402 <br />Man -Made Conduits which Increase Vertical Migration <br />None <br />9 <br />Unknown <br />Present <br />.e. septic sstems, water wells, ponds): transite waterline, gas line <br />Unique Site Features: Recharge Area, Coarse Soil (coarse sands, <br />10 <br />None <br />At Least One <br />More Than One <br />gravels), nearby wells <br />Column Totals Total Points <br />20 <br />+ <br />18 <br />+ <br />5 <br />= 43 <br />Sample Results for BTEX: <br />Range of Total Points <br />49 Points or More <br />41 — 48 Points <br />40 Points or Less <br />NO @ 0.005 mg/kg) <br />Maximum Allowable BTEX <br />B <br />T <br />E <br />X <br />B <br />T <br />E <br />X <br />N/A3 <br />Levels m <br />1.0 <br />50 <br />50 <br />50 <br />0.3 <br />0.3 <br />1.0 <br />1.0 <br />Sample Results for TPH: <br />Maximum <br />Gasoline <br />1,000 <br />100 <br />10 <br />ND @ 1 mg/kg for gas <br />Allowable TPH <br />Diesel <br />10,000 <br />1,000 <br />100 <br />ND @ 5 mg/kg for diesel <br />Levels m <br />Footnotes: ***If documented soil and/or groundwater contamination is present, do not complete leaching potential analysis (i.e. site is already on the contamination list). <br />1 If depth is >5 feet and < 25 feet, score 0 points. If depth is <=5 feet, do not use table. 2 If precipitation is > 40 inches, score 0 points. <br />3 Levels for BTEX am not applicable at a concentration of 10 ppm for TPH-Gasoline or 100 ppm for TPH-Diesel. <br />VI. STAFF RECOMMENDATION/ REFERRAL/ REVIEW <br />1. Are BTEX or TPH Concentrations > Allowable Levels? No <br />2. If No, Is Site Closure Recommended? Yes <br />Completed By: Jeffrey Wong <br />Date Referred to Site Mitigation Unit for Final Actiont or <br />Reviewed By: <br />Concur with Staff Recommendation 9Yes ❑ No <br />Date Closure Lefler ailed <br />tAll Cases are Referred to Site Mitigation for Final Action <br />EH 23-0080 (Rev 11/14/08) <br />