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Canepa's Car Wash 6230 Pacific Avenue, Stockton, California Progress Report an Tank Removal and Fuel Line Leak May 13, 1993 and Work Plan For Monitoring Wells Page 2 ' be the fastest and least disruptive means of allowmg the Canepa's to get their business back into operation and protect the environment Mr Canepa would be able to put his 45 employees back to work with only a one week delay beyond the installation of the new ' tanks and dispensers and the site surface would be sealed with concrete ' 2.0 Site Description And History The Canepa Car Wash has been operating at this location for almost 20 years Gasoline ' sales from two 12,000 gallon tanks and one 5,000 gallon diesel tank has been a part of the operation since its inception The site is approximately 100 feet by 250 feet and is rectangular in shape The site fronts on Pacific Avenue on the West and Evelyn Street on the East The site improvements include a pre-wash and car vacuuming area as well as the car wash portion There is a store and offices attached to the car wash section, and the fuel island canopy with the dispensers is attached to the South side of the store section A site diagram is included in the Figures section of this report The tanks that were removed showed no evidence of leakage The contamination found in the tank area is believed to be a result of over filling the tanks in the past Approximately 600 cubic yards of soil were removed from the tank excavation area The soils '%N ere ' tested by a certified laboratory and hauled under manifest as a non hazardous waste to Forward Landfill in Stockton, California for disposal Forward landfill is a properly licensed Class H disposal facility authorized to receive soils of this nature and this level of contamination Copies of the hauler's manifests and copies of the acceptance receipts from Forward are included in the Appendices of this report ' 3.0 Site Status Report The site has now had a single soil boring installed with lab samples obtained at 5 foot intervals to a depth of 56 1/2 feet There are now nine (9) soil vapor extraction wells on site beneath the fuel canopy or adjacent to the canopy A soil vapor extraction and combustion system designed to treat the soil contamination problem is being; installed within the next 14 days The delay of inSWIdtion is because soils that were removed from the fuel island area are in the same location that the extraction system is to be located These soils will have to be characterized by a iaboratory and disposed of, or moved aside before the system can be placed on site The system is also waiting for a permit from the Stockton City Fire Department for the propane tank needect as the fuel source for the system