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MAR. -30' 95 (THU) 16: 16 NOLTE & ASSOC, SACTO TEL:916 641 9222 P 005 i Mr. Jim Hamrick July 14, 1994 Page 3 as it collects on the surface. The oil is removed and disposed of by an oil recycling firm_ The process water is reused and consumed within the facility while the excess process water flows by gravity to the wastewater evaporation ponds_ The process water is used to cool the cutting blades that shear the molten glass into globules used to mold the glass bottles. The process water is a mixture of the plant water supply and a product named Biosol Blue. The Biosol Blue is considered to be in the triglycerides chemical family and is mixed to 1 to 600 dilution ratio with the plant water supply . A Material Safety Data Sheet (MSDS) ror Biosol Blue is presented in Appendix B, The product water from the reverse osmosis system is used and consumed within the facility. E10STING CONDITIONS A review of the U.S. Depa,rtmerit of Agriculture Soil Conservation Service (SCS) soil survey for San Joaquin County indicates that the soil at the Owens-Brockway Glass Containers facility consists of either a Capay clay Or a Stomar clay loam. The clean water soil permeability at a depth of 92 inches for the Capay clay is 0.06 to 0.2 inch/hour, while the Stomar clay loam is 0.2 to 0.6 inch/hour. The Capay soil is suited to irrigated crops such as alfalfa, pasture crops, sugar beets and tomatoes, and the Stomar soil is suited for irrigated crops or orchards. Ground water A review was performed of the UNITED S'TA'PES DEPARTMENT Of THE INTERIOR GEOLOGICAL SURVEY Water Resources Division, Geology.-Hydrology and Water _Quality of the Tracy-Dos Palos Area San Joaquin Valley, California, August 1971 by William R. Hotchkiss and Gary O_ Balding. This report states that the ground water reservoirs for the Tracy-Dos Palos area is divided into three water-bearing zones, the lower section, the upper section and a shallow water zone. The lower section, the deepest water bearing zone, is bounded by consolidated deposits at the bottom of the section and an impermeable confining strata called Corocoran Clay Member at the top of the section. The upper section, ranges from a depth of 25 ft to the Corocoran Clay Member, The shallow water zone is generally within 25 ft of the land surface. Contour maps from the report, of the area around the Owens-Brockway Glass Containers facility, show the shallow water zone is approximately 10 ft from the land surface, The Corocoran Clay Member, an impermeable confining strata, is approximately 50 ft below the land surface. poen.d+ssr.cures ice_