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National Lead Laboratory Accreditation Program: Double-Blind Proficiency-Testing Pilot Study, Final Report, EPA 747-R-01-004, March, 2001

This report documents the design, execution, results, and conclusions of a pilot study to gather information on how a double-blind proficiency-testing program could be incorporated in the EPA.

National Lead Laboratory Accreditation Program: Double-Blind Proficiency-Testing Pilot Study, Final Report, EPA 747-R-01-004, March, 2001 (pdf) (1.89 MB)