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CENTRAL VALLEY REGIONAL WATER (QUALITY CONTROL BOARD INSPECTION 6y FEB 2 1851 :NVIRONMENTALKP1TH1 PERMIT/SERVICES DISCHARGER: Dallas Corporation/ dba Overhead Door Company 5 January 1990 LOCATION A COUNTY: 1220 East Victor Road, Lodi , San Joaquin County CONTACT(S): Alan Bashor, C. Curtis Carter INSPECTION DATE: 18 December 1989, annual inspection INSPECTED BY: Jean McCue ACCOMPANIED BY: C. Curtis Carter BACKGROUND The Overhead Door Company (ODC) manufactures galvanized steel doors at 1220 East Victor Road in Lodi , California. The nine acre site includes a surface impoundment which was a part of the plant's waste treatment system. The surface impoundment received storm water, liquid and solid paint residue, and waste water generated from the plant's manufacturing process. In April 1985, sludge samples collected from the bottom of the impoundment by the Department of Health Services (DHS) contained elevated levels of soluble nickel and zinc and was considered a hazardous waste under Title 22, California Administrative Code. A letter from the Regional Board notified the ODC of their responsibilities under the Toxic Pits Cleanup Act (TPCA) on 4 November 1985. The DOC stopped actively discharging into the surface impoundment that same month. The remaining pond liquids were pumped out of the surface impoundment in August 1986. In June 1987, the sludges at the bottom of the impoundment, along with approximately 6 inches of soil from the sidewalls and floor were removed and disposed of at Chemical Waste Management at Kettlemen Hills. With the hazardous waste removed, the ODC was in compliance with the cease discharge requirement of the TPCA. The Dallas Corporation, parent company of the ODC, submitted a closure plan for the surface impoundment on 5 December 1986 and a revised closure plan on 4 April 1988. The closure plan has not been approved and the CDC is planning to submit an updated plan on 28 February 1990. A Hydrogeologic Assessment Report (HAR) was submitted on 9 November 1987. The report was reviewed and several deficiencies were noted. The CDC addressed those deficiencies and conducted more field work in 1988 and 1989. In late summer of 1988 the ODC removed approximately 700 cubic yards of additional soil (staged soil ) from the bottom of the surface impoundment. This soil contained nickel and zinc in concentrations above background, but below hazardous levels under Title 22. The 700 cubic yards of staged soil was classified as non-hazardous by DHS on 12 June 1989. The soil was disposed of at Forward Landfill in November 1989.