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WORK PLAN <br /> RAGU FOODS COMPANY <br /> STOCKTON, CALIFORNIA <br /> DRILLING, SOIL SAMPLING, AND GROUNDWATER MONITORING WELL <br /> INSTALLATION AND DEVELOPMENT <br /> 1.0 BACKGROUND <br /> BSK & Associates, Inc. (BSK) understands that a 1000-gallon gasoline tank, a 550-gallon solvent <br /> tank, and a 520-gallon diesel tank were removed from a common excavation on June 26, 1986 <br /> Analytical results of soil boring R-1 (Stauffer, April 1987) drilled to a depth of 30 feet indicated <br /> diesel concentrations ranging from 14,000 ppm to 61,000 ppm and aromatic volatile concentrations <br /> ranging from 1 ppm Benzene to 22 ppm Xylenes at depths from 15 feet to 30 feet Chlorinated <br /> hydrocarbons were not detected in R-1 No contamination was detected in soil borings R-2 or R-3, <br /> located approximately 10 feet northeast and northwest from the excavated area <br /> Results of a groundwater investigation conducted by Weston in October 1988 indicated no diesel fuel <br /> components detectable to soil or water samples collected during installation and sampling of three <br /> monitoring wells installed approximately 50 feet laterally from the former tank emplacement The <br /> monitoring wells were installed to a depth of approximately 65 feet Presently, Ragu reports that <br /> the three monitoring wells are dry <br /> 2.0 INTRODUCTION <br /> BSK has prepared this Work Plan for drilling,soil sampling, groundwater monitoring well installation <br /> and development During site activities,BSK would be the prime drilling contractor(C-57#490942) <br /> The,lobsite is located at 1400 Waterloo Road in Stockton, California (refer to Figure 1, Site Map) <br /> 21 Permits - Prior to commencement of drilling, permits and this Work Plan would be <br /> submitted to San Joaquin County Public Health Services Environmental Health <br /> Division (SJPHS) for approval <br /> 22 Underground Utilities - Underground Service Alert (USA) would be notified 48 <br /> hours before any subsurface work would begin Other agencies which would have <br /> underground utilities on-site and are not on the USA network would be notified. An <br /> underground locating firm would be utilized to attempt to locate underground lines <br /> which are in question <br /> 2 3 Site Safety Plan - All work shall be performed under the guidelines presented in the <br /> attached Health and Safety Plan (Appendix A) <br /> RS/RAGU/P92219/sept 11,1992 <br /> (mnc�vokptn 992i 1 <br /> &Associates <br />