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At a minimum, the Ground-water Sampling and Analysis Request Form <br /> ' included the following information: <br /> • date submitted <br /> 0 specific analytical parameters <br /> O well number <br /> O sample source <br /> ' Analytical Methods <br /> Samples collected as part of the monitoring program were analyzed <br /> consistent with accepted analytical procedures. The following publications <br /> were the primary references for analytical procedures: <br /> • Methods for Chemical Analysis of Water and Wastes, <br /> ' EPA-600/4-79-020, revised March 1983 <br /> • Methods for Organic Chemical Analysis of Municipal and <br /> ' Industrial Wastewater, EPA-600/4-82-057, July 1982 <br /> c Test Methods for Evaluating Solid Wastes: <br /> Physical/Chemical Methods, EPA SW-846, 3rd edition, <br /> November 1986 <br /> • Leaking Underground Fuel Tank Manual, State Water <br /> Resources Control Board, State of California Leaking <br /> Underground Fuel Tank Task Force, revised October 1989 <br /> The laboratories selected to perform the analytical work are certified by the <br /> Department of Health Services (DHS) for hazardous waste testing. <br /> Quality Assurance/Quality Control <br /> Quality assurance/quality control (QA/QC) measures were taken to confirm <br /> the integrity of laboratory data generated during the monitoring program. <br /> The procedures used to assess data quality are described in this section. <br /> An evaluation of the laboratory quality assurance data will be included in the <br />' technical reports. <br /> Laboratory QA/QC procedures included those required under the DHS <br />' hazardous waste testing program. Specific laboratory quality assurance <br /> procedures were included in the laboratory's QA/QC manual, including <br /> reporting surrogate recoveries, matrix spike recoveries, and matrix spike <br /> duplicates (or duplicate) results. <br /> pj009010f900020.1 ag D - 7 Rev. 0 December 15, 1992 <br /> 1 <br />