Method Update Rule: What's new and why?

Introduction:

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The U.S. Environmental Protection Agency (EPA) published its final Code of Federal Regulations Title 40 Part 136 Methods Update Rule (MUR) in the Federal Register on May 18.  In addition to the typical approval of new or revised analytical methods or test procedures, a major new section has been incorporated into this new MUR, Section 136.7.d.  This new section, referred to as the "12 Essential QA/QC Elements," is an attempt by EPA to standardize quality control and assurance in laboratories that use these approved methods for determining compliance with National Pollutant Discharge Elimination System (NPDES) permits or other monitoring requirements. Other important changes to the MUR include preservation/holding times in Table II, clarification of the process for requesting limited or nationwide review of alternate test procedures (ATP), and changes in citations to Standard Methods for the Examination of Water and Wastewater.

• Changes new to the Code of Federal Regulations Title 40 Part 136 Methods Update Rule


• Reasons for the changes


• How the MUR and its new 12 essential QC elements will affect potable/wastewater laboratories


• Example/s of implementing QC elements into QA assurance manual/SOP


• A state’s viewpoint on the practicality of implementing MUR changes

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Cooperating Organizations:

Laboratory Practices Committee

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