title: [Reliability of routine measurements of the atmospheric air pollutant nitrogen dioxide].
abstract: On the basis of an external quality control of nitrogen dioxide measurements in the atmospheric air (emmission), the preparation of control material, its evaluation and durability are presented. The results of the control test carried out in the spring 1995 is also discussed.
authors.affiliation: Instytutu Medycyny Pracy, Lodzi.
authors.forename: W
authors.initials: W
authors.lastname: Matczak
authors.forename: J P
authors.initials: JP
authors.lastname: Gromiec
authors.forename: M
authors.initials: M
authors.lastname: Kula
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D004784:Environmental Monitoring / Q000379:methods / Q000592:standards*; D009585:Nitrogen Dioxide / Q000032:analysis*; D011044:Poland; D011786:Quality Control; D015203:Reproducibility of Results
chemical_list: D000393:Air Pollutants; D009585:Nitrogen Dioxide