title: PAT Program report: background and current status. Proficiency Analytical Testing.
authors: AIHA's Scientific Affairs Division, Fairfax, VA 22031, USA. fgrunder@aiha.org
authors: Fred I
authors: FI
authors: Grunder
mesh_terms: D002568:Certification; D004784:Environmental Monitoring / Q000592:standards*; D004785:Environmental Pollutants / Q000032:analysis; D019983:Guideline Adherence; D006801:Humans; D007753:Laboratories / Q000592:standards*; D016272:Occupational Health; D012016:Reference Values; D015203:Reproducibility of Results; D014481:United States
chemical_list: D004785:Environmental Pollutants