title: Study on the determination of PCDDs/Fs and HCB in exhaust gas.
abstract: The subject of this study was to develop a method of simultaneous determination of PCDDs/PCDFs and HCB in exhaust gases from industrial installations. Sampling to determine PCDDs/PCDFs was conducted using the method described in PN-EN 1948-1: 2006, where the sorption material is polyurethane foam (PUF). In order to simultaneously collect PCDDs/PCDFs and HCB and to avoid sorbent bed breakthrough, it was necessary to apply an additional polyurethane sorption layer. Twenty-seven samples of exhaust gases from various cement plants and 40 samples of exhaust gases from hospital and industrial waste incineration plants collected in 2009/2010 in the entire territory of Poland were examined. The average content of PCDDs/Fs in samples from cement plants amounted to 0.076 ng I-TEQ N m(-3) (range of 0.002-0.62 ng I-TEQ N m(-3)), while the average content of HCB amounted to 10 ng N m(-3) (range of 0.98-60.5 ng N m(-3)). In the case of samples collected from waste incineration plants, the average concentration of PCDDs/Fs was 0.39 ng I-TEQN m(-3) (range of 0.002-5.68 ng I-TEQ N m(-3)). In the case of HCB, the average concentration was 238 ng N m(-3) (range of 3.21-2500 ng N m(-3)). Also, the interdependence of the concentration of PCDDs/PCDFs and HCB was determined in the analysed samples, with the ranges of low and high content of PCDDs/PCDFs being examined separately. In all cases, the determined values of the r correlation coefficient were within the range of 0.7-1.0, which indicates a good correlation between the concentrations of PCDDs/PCDFs and HCB.
authors.affiliation: Krakow University of Technology, Chemistry Department, ul. Warszawska 24, 31-155 Kraków, Poland. mwegiel@chemia.pk.edu.pl
authors.forename: Małgorzata
authors.initials: M
authors.lastname: Węgiel
authors.forename: Ryszard
authors.initials: R
authors.lastname: Chrząszcz
authors.forename: Anna
authors.initials: A
authors.lastname: Maślanka
authors.forename: Adam
authors.initials: A
authors.lastname: Grochowalski
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D001572:Benzofurans / Q000032:analysis*; D002849:Chromatography, Gas; D000072338:Dibenzofurans, Polychlorinated; D005740:Gases / Q000032:analysis*; D006581:Hexachlorobenzene / Q000032:analysis*; D017745:Incineration; D007220:Industrial Waste; D000072317:Polychlorinated Dibenzodioxins / Q000031:analogs & derivatives* / Q000032:analysis; D011140:Polyurethanes / Q000737:chemistry
chemical_list: D000393:Air Pollutants; D001572:Benzofurans; D000072338:Dibenzofurans, Polychlorinated; D005740:Gases; D007220:Industrial Waste; D000072317:Polychlorinated Dibenzodioxins; D011140:Polyurethanes; D006581:Hexachlorobenzene