title: Environmental lead proficiency analytical testing (ELPAT) program. March and June 1999.
authors.affiliation: Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Division of Physical Sciences and Engineering, Cincinnati, OH, USA.
authors.forename: H A
authors.initials: HA
authors.lastname: Feng
authors.forename: P
authors.initials: P
authors.lastname: Schlecht
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D004781:Environmental Exposure / Q000517:prevention & control*; D004784:Environmental Monitoring / Q000592:standards* / Q000706:statistics & numerical data*; D006801:Humans; D007753:Laboratories / Q000592:standards*; D007854:Lead / Q000032:analysis*; D009314:National Institute for Occupational Safety and Health, U.S.; D012015:Reference Standards; D014481:United States
chemical_list: D000393:Air Pollutants; D007854:Lead