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ATTACHMENT A <br /> SAMPLING AND ANALYSIS PROCEDURES <br /> INTRODUCTION <br /> The sampling and analysis procedures for the monitoring program at the San Joaquin <br /> County sanitary landfills are contained in this attachment. The procedures will provide for <br /> consistent and reproducible sampling methods; proper application of analytical methods; <br /> accurate and precise analytical results; and finally, these procedures will provide <br /> guidelines so that the overall objectives of the monitoring program are achieved. <br /> The following documents have been used as guidelines for the development of these <br /> procedures: <br /> Procedures Manual for Groundwater Monitoring at Solid Waste Disposal <br /> Facilities, U.S. Environmental Protection Agency (EPA)-530/SW-611, August <br /> 1977 <br /> RCRA Groundwater Monitoring Technical Enforcement Guidance Document, <br /> Office of Solid Waste and Emergency Response 9950.1, September 1986 <br /> Test Methods for Evaluating Solid Waste: Physical/Chemical Methods, EPA <br /> SW-846, 3rd edition, November 1986 <br /> Methods for Organic Chemical Analysis of Municipal and Industrial Wastewater, <br /> EPA-600/4-82-057, July 1982 <br /> Methods for Chemical Analysis of Water and Wastes,EPA-600/4-79-020,revised <br /> March 1983 <br /> GROUNDWATER ELEVATION SURVEY <br /> Before the sampling event, monitoring wells at the site will be measured for static water <br /> levels during a single water level survey. Water levels will be converted to elevations in <br /> mean sea level and displayed on a groundwater contour map. All (or selected) monitoring <br /> wells will be sampled for chemical constituents after the water level survey is completed. <br /> SAC/pj0\0939\09390040.8e1-95 lfe:3 A-1 Rev.0 February 14, 1995 <br />