REMOVAL 2011 - Laserfiche WebLink

Home Browse Search

SAN JOAQUIN COUNTY ENVIRONMENTAL HEAL H DEPARTMENT UST WORKSHEET FOR SITE CLOSURE EVALUATION I. FACILITY/TANK INFORMATION DATE: 1 6-15-11 SITE/FACILITY NAME: City of Lodi Municipal Service Center SR0062153 STATUS CODE: ADDRESS: 1331 S. Ham Lane Lodi,CA 95240 CITY: Lodi,CA FA# 3961 PR# 231332 TANK# 0133204 TANK SIZE: 2,000 FUEL TYPE: Used oil II. GENERAL SITE HISTORY Is Permit Current? X Yes ❑ No Documented Soil/GW Contamination?""* ❑ Yes No Number of Tanks at Facility 4 Age of Tanks(if available) Type of Tank xSteel ❑Fiberglass ❑Single ❑Dual III. TANK HISTORY Was Tank Tested? ❑ Yes ❑ No Failed Testing? ❑ Yes ❑No If Yes, Provide Dates: Was Tank System Repaired? ❑ Yes ❑ No If Yes,Describe Repair: Was Repair Done Under Permit? ❑Yes ❑ No Were Soil Samples Analyzed? x Yes ❑No X BTEX X TPH-G X TPH-D X LEAD X EDB x OTHER:ox s,metals, PCB,8260B Type of Failure/Discharge: ❑ Catastrophic ❑Long-term Leak ❑ Overfill ❑Unknown x Other tank removal IV. REMOVAL HISTORY Attach File Soil Samples Received? X Yes ❑ No Seasonal High Depth to GW —AME ft bgs Year/Reference Jvae 10 Onsite and/or Nearby Well(s)? ❑Yes x No L3 Irrigation: # Distance to Tank ft � Score 10 C Score 9 C ❑Domestic:# Distance to Tank ft 0 points if 0 points if 0 Score 5 points if ❑Public: # Distance to Tank ft R condition is R condition is R condition is met V. SITE FEATURE–LEACHING POTENTIAL ANALYSIS E met E met E Minimum Depth to Groundwater from Soil Sample Depth(feet)* >100 51 –100 5 25-501 Fractures in Subsurface(applies to foothill or mountain areas) 10 None Average Annual Precipitation(14 inches for SJC area) -------- <10 9 10-25 ------- 26-402 Man-Made Conduits which Increase Vertical Migration None 9 Unknown Present i.e.septic sstems,water wells, ponds) Unique Site Features: Recharge Area,Coarse Soil(coarse sands, 10 None At Least One More Than One gravels),nearby wells Column Totals Total Points 20 + 18 + 5 =43 Sample Results for BTEX: Range of Total Points 49 Points or More 41 –48 Points 40 Points or Less ND(detection limit 5 ug/kg) Maximum Allowable BTEX BT E X B T E X N/A3 Levels m 1.0 50 50 50 0.3 0.3 1.0 1.0 Sample Results for TPH: Maximum Gasoline 1,000 100 10 ND(detection limit 10 Allowable TPH Levels m Diesel 10,000 1,000 100 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). 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. 3 Levels for BTEX are not applicable at a concentration of 10 ppm for TPH—Gasoline or 100 ppm for TPH-Diesel. VI. STAFF RECOMMENDATION/REFERRAL]REVIEW 1. Are BTEX or TPH Concentrations>Allowable Levels? LJYe x N 2. If No, Is Site Closure Recommended x Ye L3 No Completed By: Aris Cacapit Date Referred to Site Mitigation Unit for Final Actiont 6-15-11 Reviewed By: W� Concur with Staff Recommendation IlKes ❑ No Date Closure Letter Mailed tAII Cases are Referred to Site Mitigation for Final Action *Subtract soil sample depth from groundwater depth to determine distance be sample depth and groundwater EH 23-0080(Rev6/4/2007)