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t. . 26 July 2001 AGE-NC Project No.01-0852 Page 10 of 22 4.1. SITE SPECIFIC RECORDS The EDR search found the subject property listed on the LUST and the HAZNET environmental databases. The following information is provided from PHS-EHD file review and previous environmental investigation summaries provided by Copper Enterprises;copies of these documents are provided in Appendix C:' • Lockeford Winery was brought by United States Gasohol(USG)in July 1980 and converted to an ethanol-producing factory. According to USG documents, part of USG's plan was to operate an azeotropic unit(consisting of a boiler,a distilling tower,and a cooling tower-see Photo 1)twenty-four hours/day to produce gasoline-grade ethanol,which is a mixture of one part gasoline to twenty parts alcohol. In a document :filed by Ms. Twila Leclerc of CRWQCB; at maximum capacity, the azeotropic unit could produce 26,600 gallons/day ethanol product using 286 tons/day molasses, 900 gallons/day unleaded gasoline, and 18 gallons/day benzene(used in the azeotropic unit). The final product was to be stored in one 217,000-gallon tank and two 16,000-gallon tanks until moved by trucks to refineries. • A 1997 photograph of the azeotropic unit showed a square-shaped concrete subsurface opening (sump?) in front of the unit and at least two pipes protruding up from the ground near the unit(Photo 1). • According -to a PHS-EHD summary regarding the subject property, the CVRWQCB informed PHS-EHD of the presence of unregistered USTs on the property in 1989. Upon t further investigation,itwas found that USG had filed for bankruptcy in 1984;an attorney for the original owner informed PHS-EHD of the presence of an underground benzene tank. l • A fire occurred on the subject proper y in July 1993 (Photo 2); The MRFD and PHS-OES ;i identified improperly-stored white powder and liquid containers of sulfuric acid. The Mokelumne Fire District also followed up with a complaint to PHS-EHD regarding illegal liquid waste discharge to the surface ponds from a business identified as"Alexander Kiwi Processing"on the premise at that time. • A Mr, Ray Tipton of Ethanol Products, Inc. examined the property as a potential buyer; he provided PHS-EHD a list of chemicals found on his survey, as well as the locations of two ._S USTs - a 500-gallon gasoline UST and an underground vault with bunker ail. • In July 1995 PHS-EHD received a map from.Chief Busby of the MRFD reportedly provided by a former employee which showed the locations of three USTs. The only map AGEcould find in all examined documents was an unreferenced, hand-drawn map of the property showing four locations marked by Xs one of these location was also labeled"UST location according to witness."(Figure 5). • In February 1995, in a court document involving LeRoy Francis (former.owner) versus George Alexander(current tenant),a representative of Valley Environmental Solutions,Inc. stated that he examined numerous tanks and containers on the subj ect property and identified :f i