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Guidelines Establishing Test Procedures for the Analysis of Pollutants; Procedures for Detection and Quantitation
On March 12, 2003, EPA published a document in the Federal Register that proposed revisions to the regulations for the definition and procedure for EPA's method detection limit (MDL). The document also proposed to add to these regulations a definition of minimum level of quantitation (ML) and a procedure for developing it. The proposed rule requested comment on the revisions and additions. The MDL and ML are used to characterize the capabilities of analytical test procedures applied under the Clean Water Act (CWA). The proposed revisions were based on EPA's 2003 assessment of approaches to determining detection and quantitation capabilities of analytical methods. more>>