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u r <br /> by the sampler when transferring the samples Custody transfers were recorded for each <br /> individual sample, for example, if samples were split and sent to more than one laboratory, a <br /> chain-of-custody record sheet accompanied each sample The number of custodians in the <br /> chain of possession were minimized A copy of the Sampling and Analysis Chain-of-Custody <br /> Record was returned to EMCON with the analytical results <br /> Groundwater Sampling and Analysis Request Form <br /> A Groundwater Sampling and Analysis Request Form (see Figure A-4) or purchase order, or <br /> both, accompanied the samples delivered to each laboratory These forms served as official <br /> communication to the laboratory of the particular analysis/analyses required for each sample <br /> At a minimum, the Groundwater Sampling and Analysis Request Form included the following <br /> information <br /> • Date submitted <br /> • Specific analytical parameters <br /> • Well number <br /> • Sample source <br /> Analytical Methods <br /> Samples collected as part of the monitoring program were analyzed consistent with accepted <br /> analytical procedures The following publications were the primary references for analytical <br /> procedures <br /> • Methods for Chemical Analysis of Water and Wastes, EPA-600/4-79-020, revised <br /> March 1983 <br /> • Methods for Organic Chemical Analysts of Municipal and Industrial Wastewater, <br /> EPA-60014-82-057, July 1982 <br /> • Test Methods for Evaluating Solid Wastes PhysicallChemical Methods, EPA <br /> SW-846, 3rd edition, November 1986 <br /> SACW\PJZ2520\2.5201000 IGS-94\pas 1 <br />