Method selection

Method selection. (1) The laboratory shall use methods for environmental testing required by covered programs under this chapter and that are suitable for the matrix, type of analyte, expected level of analyte, regulatory limit, and potential interferences in the samples to be tested. (2) When methods are not specified by covered programs under this chapter or specified in permits issued by the department, the laboratory shall consult with the department to select a method that meets the requirements in sub. (1) . (3) When using methods associated with the methods compendium document, “Test Methods for Evaluating Solid Waste,” the laboratory shall comply with the minimum requirements of the methods as written and state which options are being implemented when options exist. (4) The department will assess the scientific validity of method modifications to determine if the modification is within the scope of a method.