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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD CENTRAL VALLEY REGION CLEANUP AND ABATEMENT ORDER NO. R5-2006-0720 FOR NESTLE USA, INC. SAN JOAQUIN COUNTY This Order is issued to Nestle USA, Inc. (hereafter known as Discharger) based on provisions of California Water Code Section 13304, which authorizes the California Regional Water Quality Control Board, Central Valley Region (hereafter Regional Board) to issue a Cleanup and Abatement Order (Order). The Regional Board finds, with respect to the Discharger's acts or failure to act, the following: INTRODUCTION 1. The Discharger is a wholly owned subsidiary of Nestle Holdings, Inc. The Discharger owned and operated a manufacturing plant at 230 Industrial Avenue in the City of Ripon, located in San Joaquin County. The former plant site is located approximately three quarters of a mile north/northwest of Stanislaus River and is situated within the northwest 1/4 of Section 29, Township 2 South, Range 8 East on the USGS 7.5 Minute Quadrangle Map for Salida, California(Figure 1). The Discharger sold the former plant site ("Facility") to Cal Freight in 2005. 2. The manufacturing plant was built in the 1930s and was initially used for the production and processing of dairy products. Between 1948 and 1986 the plant manufactured caffeinated and decaffeinated instant coffee. In 1986 the manufacture of instant decaffeinated coffee ceased and manufacturing of caffeinated instant coffee continued until the facility was closed in 1994. BACKGROUND 3. The decaffeination process for instant coffee used a"closed loop" system where solvents were distilled and recycled. The solvents were stored in aboveground tanks located near the former decaffeination building (Figure 2). Beginning in 1957, trichloroethylene (TCE) was used to extract caffeine for the production of decaffeinated instant coffee. In 1970,the Discharger discontinued use of TCE in the decaffeination process. Methylene chloride(MC) replaced TCE in the decaffeination process and was used from 1970 to 1986. Decaffeination using solvents was discontinued after 1986. 4. Wastewaters from the manufacturing process have historically been discharged to the industrial sewer line that connects to the City of Ripon's publicly operated treatment works (POTW). The industrial sewer line is in the center of Industrial Avenue, which is just west of the Facility (Figure 2).