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ATTACHMENT A <br /> SAMPLING AND ANALYSIS PROCEDURES <br /> The sampling procedures for water quality monitonng programs are contained in this attachment <br /> The procedures provided for consistent and reproducible sampling methods, proper application of <br /> analytical methods, accurate and precise analytical results, and finally, these procedures provided <br /> guidelines so that the overall objectives of the monitoring program were achieved <br /> The tollowing documents have been used as guidelines for developing these procedures <br /> Procedures Manual for Groundwater Monitoring at Solid Waste Disposal Facilities, <br /> Environmental Protection Agency(EPA)-530/SW-61 1 August 1977 <br /> • Resource Conservation and Recovery Act (RCRA) Gioundwater Monitoring Technical <br /> Enforcement Guidance Docianent, Office of Solid Waste and Emergency Response <br /> (OSWER) 9950 1, September 1986 <br /> • Test Methods for Evaluating Solid Waste Physical/Chemical Methods, EPA SW-846, 3rd <br /> edition, November 1986 <br /> a Methods for Organic Chemical Analysis of Municipal and Industital Wastewater, <br /> EPA-600/4-82-057, July 1982 <br /> m Methods for Chemical Analysts of Water and Wastes, EPA-60014-79-020, revised March <br /> 1983 <br /> • Leaking Underground Fuel Tank (LUFT) Field Manual California State Water Resources <br /> Control Board, revised October 1989 <br /> Sample Collection <br /> Sample collection procedures include equipment cleaning, water level and total well depth <br /> measurements, and well purging and sampling <br /> Equipment Cleaning <br /> Before the sampling event was started, equipment that was used to sample groundwater was <br /> disassembled and cleaned with detergent water, and then rinsed with deionized water Dunng <br /> field sampling, Equipment surfaces that were placed in the well or came into contact with <br /> groundwater during field sampling, were steam cleaned with deionized water before the next well <br /> was purged or sampled <br />