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§ 265.92 Sampling and analysis.
(a) The owner or operator must obtain and analyze samples from the installed ground-water monitoring system. The owner or operator must develop and follow a ground-water sampling and analysis plan. He must keep this plan at the facility. The plan must include procedures and techniques for:
(1) Sample collection;
(2) Sample preservation and shipment;
(3) Analytical procedures; and
(4) Chain of custody control.
[Comment: See “Procedures Manual For Ground-water Monitoring At Solid Waste Disposal Facilities,” EPA–530/SW–611, August 1977 and “Methods for Chemical Analysis of Water and Wastes,” EPA–600/4–79–020, March 1979 for discussions of sampling and analysis procedures.]