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Discrete samples representing 50 cubic yard samples will be used for quantities <br /> ' less than 200 cubic yards Samples representing 200-400 cubic yards will be used <br /> for quantities between 200 and 1000 cubic yards <br /> t Composite samples representing each 1000 cubic yards may be used to represent <br /> quantities over 1000 cubic yards <br /> ' Composite samples will be allowed for general representation of cleanup or <br /> representation of materials to be rehandled in blending or washing operations <br /> Analytical Methods <br /> Samples collected as part of the monitoring program will be analyzed consistent <br /> with accepted analytical procedures The following publications are the primary <br /> references for analytical procedures <br /> Methods for Chemical Analysis of Water and Wastes, EPA- <br /> 600/4-79-020, revised March 1983 <br /> • Methods for Organic Chemical Analysis of Municipal and <br /> Industrial Wastewater, EPA-60014-82-057, July 1982 <br /> • Test Methods for Evaluating Solid Wastes Physical/Chemical <br /> ' Methods, EPA SW-846, 3rd edition, November 1986 <br /> • Leaking Underground Fuel Tank Manual, State Water Resources <br /> t Control Board, State of California Leaking Underground Fuel Tank Task <br /> Force, revised October 1989 with Appendices A-M <br /> ' 0 Tn-Regional Board Staff Recommendations for Preliminary <br /> Investigation and Evaluation of Underground Tank Sites, Central Valley <br /> Regional Water Control Board, August 30, 1991 <br /> ' The laboratories selected to perform the analytical work will be certified by the <br /> Office of Environmental Health Hazard Assessment <br /> 1 <br /> 1 <br /> ' C-12 <br /> 1 <br />