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x ATTACHMENT A SAMPLING AND ANALYSIS PROCEDURES The sampling procedures for water quality monitoring programs are contained in this attachment The procedures provided for consistent and reproducible sampling methods; proper application of analytical methods, accurate and precise analytical results, and finally, these procedures provided guidelines so that the overall objectives of the monitoring program were achieved The following documents have been used as guidelines for developing these procedures • Procedures Manual for G►oundKuter Alonitoring at Solid Waste Disposal Facilities, Environmental Protection Agency(EPA)-530/SW-61 1, August 1977 • Resource Conservation and Recovery Act (RCRA) Giourul"ter Monitoring Technical Enforcement Guidance Document, Office of Solid Waste and Emergency Response (OSWER) 9950 1, September 1986 • Test Methods for Evaluating Solid Waste Physical/Chemical Methods, EPA SW-846, 3rd edition, November 1986 • Methods for Organic Chemical Analysis of Municipal and Industrial Wastewuter, EPA-600/4-82-057, July 1982 • Methods for Chemical Analysts of Water and Wastes, EPA-600/4-79-020, revised March 1983 • Leaking Unt aground Fuel Tank (LUFT) Field Manual, Cildomia State Water Resources Control Board, revised October 1999 Sample Collection Sample collection procedures include equipment cleaning, water level and total well depth measurements, and well purging and sampling Equipment Cleaning Before the sampling event was started, equipment that was used to sample groundwater was j disassembled and cleaned with detergent water, and then rinsed with detonized water During field sampling, Equipment surfaces that were placed in the well or came into contact with Woundwater during field sampling, were steam cleaned with deionized water before the next well s purged or sampled