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_.i <br />Nestle converted to a methylene chloride extraction <br />process. The methylene chloride process was operated until <br />April 1986. Nestle continues to manufacture regular <br />soluble instant coffee at this location. <br />Nestle employs 94 people and operates around the clock, <br />utilizing three shifts, five days per week. <br />VI. HAZARDOUS WASTE ACTIVITY DESCRIPTION: <br />A. Spent activated carbon with TCE: The largest quantity <br />of hazardous waste generated at this site is spent <br />activated carbon contaminated with TCE from the <br />groundwater treatment system. This material is <br />transported by Exceltrans and Dart Trucking and shipped <br />to Envirotrol, Inc., 24th St. Extension and 31st St., <br />Beaver Falls, PA, 15010, and Cameron Yakima, Inc., 1414 <br />S. 1st St., Yakima, WA, 98907, respectively, for <br />recycling. <br />The spent activated carbon is generated in several <br />locations on and off-site. The bulk of the treatment <br />system and carbon waste is located at the northwest <br />corner of the facility. There are several groundwater <br />extraction and treatment points which generate spent <br />carbon in and around the facility. Spent carbon waste <br />accounted for 18.06 tons of waste in 1993. <br />B. Lab solvents: Methanol, Ethyl Acetate, Methylethyl <br />Ketone, Petroleum, Ether, and Mineral Spirits are used <br />in small quantities. <br />Nestle performs on-site laboratory tests for the <br />groundwater and for product quality control. Wastes <br />are collected in 5 -gallon containers outside the lab <br />storage building and picked up by Safety Kleen for <br />recycling. Approximately 75 lbs. of lab waste is <br />produced each year. <br />C. Waste oil: Waste oil is collected in the vehicle <br />repair shop and from the various machinery throughout <br />the facility and stored in 55 -gallon drums outside the <br />vehicle repair shop. The waste oil is transported and <br />recycled by Alviso Oil, Alviso, CA. Approximately 1.42 <br />tons of waste oil is generated each year. <br />D. Antifreeze: Waste antifreeze is collected in the <br />vehicle repair shop and stored in a 55 -gallon drum <br />outside the shop. The waste antifreeze is transported <br />by I.T. Corporation and then recycled. Approximately <br />.5 tons of antifreeze is produced each year. <br />01 <br />