TY - JOUR A1 - Nohr, Michael A1 - Horn, Wolfgang A1 - Wiegner, Katharina A1 - Richter, Matthias A1 - Lorenz, W. T1 - Development of a material with reproducible emission of selected volatile organic compounds - mu-chamber study N2 - Volatile organic compounds (VOCs) found indoors have the potential to affect human health. Typical sources include building materials, furnishings, cleaning agents, etc. To address this risk, chemical emission testing is used to assess the potential of different materials to pollute indoor air. One objective of the European Joint Research Project 'MACPoll' (Metrology for Chemical Pollutants in Air) aims at developing and testing a reference material for the quality control of the emission testing procedure. Furthermore, it would enable comparison of measurement results between test laboratories. The heterogeneity of the majority of materials makes it difficult to find a suitable reference sample. In the present study, styrene, 2-ethyl-1-hexanol, N-methyl-α-pyrrolidone, lindane, n-hexadecane, 1,2-dimethyl- and 1,2-di-n-butyl-phthalate were added to 12 commercially available lacquers (6 alkyd and 6 acrylic polymer based lacquers) serving as carrier substrate. After homogenization, the mixtures were loaded into a Markes Micro-Chamber/Thermal Extractor (µ-CTE™) for curing and investigation of the emission behavior for each compound. For almost all of the investigated chemicals, the preferred glossy acrylic lacquer showed emissions that were reproducible with a variation of less than 20% RSD. Such lacquer systems have therefore been shown to be good candidates for use as reference materials in inter-laboratory studies. KW - VOC KW - Reference material KW - Emission testing KW - Indoor air KW - Inter-laboratory study PY - 2014 U6 - https://doi.org/10.1016/j.chemosphere.2013.12.047 SN - 0045-6535 SN - 0366-7111 VL - 107 SP - 224 EP - 229 PB - Elsevier Science CY - Kidlington, Oxford AN - OPUS4-30816 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Wilke, Olaf A1 - Wiegner, Katharina A1 - Scheffer, Harald A1 - Brödner, Doris A1 - Kalus, Sabine T1 - Determination of the emissions of volatile organic compounds from oriented strand boards and evaluation by the German AgBB scheme N2 - There has been an increasing use of oriented strand boards (OSBs) for the construction of floors, ceilings and walls of buildings. In Germany and other European countries, OSBs are mainly produced from pine wood (Pinus sylvestris). In response to complaints about the odour and irritation of mucous membranes in connection with the use of OSBs, samples of OSBs were bought from do-it-yourself stores to test their volatile organic compound (VOC) emissions by using emission test chambers. The boards emitted predominantly monoterpenes, aldehydes, acids and acetone. Aldehydes are generated during the production process by the oxidation of unsaturated fatty acids such as linoleic acid. Pine wood, compared with other wood species, contains more unsaturated fatty acids. Of the six acquired OSBs, four boards from three manufacturers would not meet the requirements of the German AgBB (Ausschuss zur gesundheitlichen Bewertung von Bauprodukten, Committee for Health Evaluation of Building Products), mainly because of the emissions of unsaturated aldehydes. These compounds have low LCI values (lowest concentration of interest) and are therefore problematic substances based on a health-related evaluation of building products according to the AgBB scheme. KW - Oriented strand board KW - Volatile organic compounds KW - Unsaturated aldehydes KW - Pine wood KW - Emission test chamber KW - AgBB scheme PY - 2014 U6 - https://doi.org/10.1177/1420326X13504121 SN - 1420-326X SN - 1423-0070 VL - 23 IS - 7 SP - 1050 EP - 1054 PB - Karger CY - Basel ; München [u.a.] AN - OPUS4-32063 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -