Proficiency analytical testing (PAT) program (November 1999).
Feng HA; Schlecht PC
Am Ind Hyg Assoc J 2000 Mar/Apr; 61(2):295-296
A total of 1141 labs were enrolled in the PAT Program with 1025 labs submitting results on Round 139. Of the 1141 labs submitting results, 966 used the Internet data entry system. Table I lists the reference values, performance limits, and participants for each sample type in the PAT Program. Table II presents the summary of the PAT proficiency rating for each analytical area. PAT Round 140 was sent to participating labs on January 2000. For this round, the organic solvents were benzene, toluene, and o-xylene, and the metals were chromium, lead, and zinc. Asbestos/fibers were amosite with one man-made fiber sample.
Laboratories; Laboratory testing; Laboratory workers; Organic solvents; Metals; Sampling; Samplers
Robert A. Taft Labroratories, 4676 Columbia Parkway (MS/R8), Cincinnati, Ohio 45226
108-88-3; 7440-47-3; 7439-92-1; 7440-66-6; 1332-21-4
American Industrial Hygiene Association Journal