Exposure to biological and chemical agents at biomass power plants

Sirpa Laitinen (Corresponding Author), Juha Laitinen, Leena Fagernäs, Kirsi Korpijärvi, Leena Korpinen, Kari Ojanen, Marjaleena Aatamila, Mika Jumpponen, Hanna Koponen, Jorma Jokiniemi

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Abstract

The increasing use and production of bioenergy means that the number of employees working in this area will inevitably grow, making it ever more important to know the health and safety issues involved in the biomass supply chain. Our aim was to determine the exposure of employees to biological and chemical agents during various work tasks at different biomass-fuelled power plants in Finland. The study included technical surveys on biomass operations and occupational measurements at three CHP plants. Workers' main health risks were bacteria and fungi, which were easily spread to the air during heavy biomass processes. The exposure levels of actinobacteria, bacterial endotoxins and fungi were high, especially during the unloading of peat and wood chips. In addition, workers were exposed to mechanical irritation caused by organic dust, and chemical irritation caused by volatile organic compounds and components of diesel exhausts. Multiple exposures to these agents may simultaneously have synergistic health effects on workers' lower and upper respiratory tracts. During operations, workers were also exposed to endotoxins, actinobacteria and fungi, especially during the cleaning and handling of wood chips in silos and while working near screens or crushers. The measured concentrations exceeded the limit values proposed for these agents. The highest concentration of volatile organic compounds was found near conveyors. On the basis of these measurements, we suggested best practices for the power plants. The levels of biological agents in outdoor measurements reflected only low spreading of contaminants from power plants to the environment.
Original languageEnglish
Pages (from-to)78-86
JournalBiomass and Bioenergy
Volume93
DOIs
Publication statusPublished - 2016
MoE publication typeA1 Journal article-refereed

Fingerprint

biomass power
power plants
power plant
Power plants
Biomass
Fungi
fungus
volatile organic compound
wood chips
Actinobacteria
volatile organic compounds
biomass
endotoxins
Volatile organic compounds
human resources
fungi
Wood
Health
bioenergy
crushers

Keywords

  • bioenergy
  • power plants
  • occupational hygiene
  • exposure
  • biological agents
  • chemical compounds

Cite this

Laitinen, S., Laitinen, J., Fagernäs, L., Korpijärvi, K., Korpinen, L., Ojanen, K., ... Jokiniemi, J. (2016). Exposure to biological and chemical agents at biomass power plants. Biomass and Bioenergy, 93, 78-86. https://doi.org/10.1016/j.biombioe.2016.06.025
Laitinen, Sirpa ; Laitinen, Juha ; Fagernäs, Leena ; Korpijärvi, Kirsi ; Korpinen, Leena ; Ojanen, Kari ; Aatamila, Marjaleena ; Jumpponen, Mika ; Koponen, Hanna ; Jokiniemi, Jorma. / Exposure to biological and chemical agents at biomass power plants. In: Biomass and Bioenergy. 2016 ; Vol. 93. pp. 78-86.
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Laitinen, S, Laitinen, J, Fagernäs, L, Korpijärvi, K, Korpinen, L, Ojanen, K, Aatamila, M, Jumpponen, M, Koponen, H & Jokiniemi, J 2016, 'Exposure to biological and chemical agents at biomass power plants', Biomass and Bioenergy, vol. 93, pp. 78-86. https://doi.org/10.1016/j.biombioe.2016.06.025

Exposure to biological and chemical agents at biomass power plants. / Laitinen, Sirpa (Corresponding Author); Laitinen, Juha; Fagernäs, Leena; Korpijärvi, Kirsi; Korpinen, Leena; Ojanen, Kari; Aatamila, Marjaleena; Jumpponen, Mika; Koponen, Hanna; Jokiniemi, Jorma.

In: Biomass and Bioenergy, Vol. 93, 2016, p. 78-86.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Laitinen, Sirpa

AU - Laitinen, Juha

AU - Fagernäs, Leena

AU - Korpijärvi, Kirsi

AU - Korpinen, Leena

AU - Ojanen, Kari

AU - Aatamila, Marjaleena

AU - Jumpponen, Mika

AU - Koponen, Hanna

AU - Jokiniemi, Jorma

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AB - The increasing use and production of bioenergy means that the number of employees working in this area will inevitably grow, making it ever more important to know the health and safety issues involved in the biomass supply chain. Our aim was to determine the exposure of employees to biological and chemical agents during various work tasks at different biomass-fuelled power plants in Finland. The study included technical surveys on biomass operations and occupational measurements at three CHP plants. Workers' main health risks were bacteria and fungi, which were easily spread to the air during heavy biomass processes. The exposure levels of actinobacteria, bacterial endotoxins and fungi were high, especially during the unloading of peat and wood chips. In addition, workers were exposed to mechanical irritation caused by organic dust, and chemical irritation caused by volatile organic compounds and components of diesel exhausts. Multiple exposures to these agents may simultaneously have synergistic health effects on workers' lower and upper respiratory tracts. During operations, workers were also exposed to endotoxins, actinobacteria and fungi, especially during the cleaning and handling of wood chips in silos and while working near screens or crushers. The measured concentrations exceeded the limit values proposed for these agents. The highest concentration of volatile organic compounds was found near conveyors. On the basis of these measurements, we suggested best practices for the power plants. The levels of biological agents in outdoor measurements reflected only low spreading of contaminants from power plants to the environment.

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KW - occupational hygiene

KW - exposure

KW - biological agents

KW - chemical compounds

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DO - 10.1016/j.biombioe.2016.06.025

M3 - Article

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SN - 0961-9534

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