PAT Program report: background and current status. Proficiency Analytical Testing (PAT) program.
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AIHA's Scientific Affairs Division, Laboratory Quality Assurance Programs, Fairfax, VA 22031, USA.
D007753:Laboratories / Q000592:standards*; D008670:Metals / Q000032:analysis; D016273:Occupational Exposure / Q000032:analysis; D011786:Quality Control; D012015:Reference Standards; D012997:Solvents / Q000032:analysis; D014481:United States
D008670:Metals; D012997:Solvents