Abstract
| - The historical database from the Environmental Measurements Laboratory's Quality Assessment Programfrom 1982 to 1998 has been analyzed to determine control limits for future performance evaluations of thedifferent laboratories contracted to the U.S. Department of Energy. Seventy-three radionuclides in fourdifferent matrices (air filter, soil, vegetation, and water) were analyzed. The evaluation criteria were establishedbased on a z-score calculation.
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