| Autor: |
Mølgaard B; Department of Physics, University of Helsinki, P.O. Box 48, FI-00014 Helsinki, Finland. bjarke.molgaard@helsinki.fi., Viitanen AK; Nanosafety Research Centre, Finnish Institute of Occupational Health, Topeliuksenkatu 41 a A, FI-00250 Helsinki, Finland. anna-kaisa.viitanen@ttl.fi., Kangas A; Nanosafety Research Centre, Finnish Institute of Occupational Health, Topeliuksenkatu 41 a A, FI-00250 Helsinki, Finland. joonas.koivisto@ttl.fi., Huhtiniemi M; Nanosafety Research Centre, Finnish Institute of Occupational Health, Topeliuksenkatu 41 a A, FI-00250 Helsinki, Finland. marika.huhtiniemi@ttl.fi., Larsen ST; National Research Centre for the Working Environment, Lersø Parkallé 105, Copenhagen DK-2100, Denmark. stl@nrcwe.dk., Vanhala E; Nanosafety Research Centre, Finnish Institute of Occupational Health, Topeliuksenkatu 41 a A, FI-00250 Helsinki, Finland. esa.vanhala@ttl.fi., Hussein T; Department of Physics, University of Helsinki, P.O. Box 48, FI-00014 Helsinki, Finland. tareq.hussein@helsinki.fi.; Department of Physics, Faculty of Science, The University of Jordan, Amman, JO-11942, Jordan. tareq.hussein@helsinki.fi., Boor BE; Department of Physics, University of Helsinki, P.O. Box 48, FI-00014 Helsinki, Finland. brandon.boor@helsinki.fi.; Department of Civil, Architectural, and Environmental Engineering, The University of Texas at Austin, Austin, TX 78712, USA. brandon.boor@helsinki.fi., Hämeri K; Department of Physics, University of Helsinki, P.O. Box 48, FI-00014 Helsinki, Finland. kaarle.hameri@helsinki.fi., Koivisto AJ; Nanosafety Research Centre, Finnish Institute of Occupational Health, Topeliuksenkatu 41 a A, FI-00250 Helsinki, Finland. stl@nrcwe.dk.; National Research Centre for the Working Environment, Lersø Parkallé 105, Copenhagen DK-2100, Denmark. stl@nrcwe.dk. |
| Abstrakt: |
Due to the health risk related to occupational air pollution exposure, we assessed concentrations and identified sources of particles and volatile organic compounds (VOCs) in a handcraft workshop producing fishing lures. The work processes in the site included polyurethane molding, spray painting, lacquering, and gluing. We measured total VOC (TVOC) concentrations and particle size distributions at three locations representing the various phases of the manufacturing and assembly process. The mean working-hour TVOC concentrations in three locations studied were 41, 37, and 24 ppm according to photo-ionization detector measurements. The mean working-hour particle number concentration varied between locations from 3000 to 36,000 cm-3. Analysis of temporal and spatial variations of TVOC concentrations revealed that there were at least four substantial VOC sources: spray gluing, mold-release agent spraying, continuous evaporation from various lacquer and paint containers, and either spray painting or lacquering (probably both). The mold-release agent spray was indirectly also a major source of ultrafine particles. The workers' exposure can be reduced by improving the local exhaust ventilation at the known sources and by increasing the ventilation rate in the area with the continuous source. |
