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EC number: 242-060-2
CAS number: 18172-67-3
of exposure to terpenes, wood dust and verbenols in the different
joinery shops studied
Type of joinery shop
Number of workers
Total terpenes (mg/m3)
Wood dust (mg/m3)
Verbenols (µmol/mmol creatinine)
Strips of wood
Glue-laminated wood beams
of samples = 7; GM:
Geometric mean; AM: Arithmetic mean
lung function parameters of 38 employees (including smokers and
ex-smokers) and the 20 never smokers in the joinery shops as the
percentage of reference values and the percentage of change over a
Lung function parameters
20 never smokers
Percentage of reference values
Percentage of change over work shift
=vital capacity, FVC = forced vital capacity, FEV1.0=forced
vital capacity in 1 s, FEF75= forced expiratory flow rate at
75% of the FVC
a cross-sectional study, exposure to monoterpenes
(alpha-pinene, beta-pinene and delta-3-carene) was studied in 38
workers who worked in 4 joinery shops in
Northern Sweden (20/38 never smokers).
The investigation included personal air sampling of monoterpenes,
biological monitoring of metabolites of alpha-pinene in the workers'
urine, interviews following a standardized questionnaire and dynamic
from the lung function tests indicate chronic rather than acute
reactions in the airways. The fact that there were no major changes in
lung function over a workshift indicates chronic reaction in the
to many other substances, due
to recirculation of dust-only recycled air indoors, such as
wood dust (known to induce occupational asthma), wood fumes, probably
glue vapours for some workers and potential strongly
irritating substances released from wood (aldehydes,
carboxylic acids...) was not assessed. Therefore, the lower lung
function parameters observed could be due to exposure to many of these
substances and most probably wood dust rather than to terpenes, as
suggested by the authors.
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