IARC MONOGRAPHS ON THE EVALUATION OF CARCINOGENIC ...

Table 4. Occupational exposure to styrene in the glass fibre-reinforced plastics industry in various countries
Country and year of
survey
No. of
plants
Job/task Duration
of samples
No. of
samples
Air concentration in personal
breathing zone (mg/m 3 )
Mean Range
Reference
10 All jobs 25 min 126 < 4.3–716 a
Canada (Ontario)
< 4.3–1393 Sullivan &
1981
Boat laminating 59 430 GM 8.1 GSD Sullivan (1986)
Non-boat laminating 23 124 GM 29.4 GSD
Chopper gun use 8 554 GM 7.7 GSD
Gel-coat spraying 6 298 GM 7.7 GSD
Filament winding 3 533 GM 6.0 GSD
Canada (Québec) 3 Chopper gun use 8 h 7 564 307–938 Truchon et al.
NR Painting (gel coat) 9 517 280–843 (1992)
Laminating (rollers) 18 502 292–865
Foreman 8 97 18–279
Cutter 11 75 16–234
Warehouse work 19 35 9–187
Finishing 31 34 8–110
Mould repair 8 28 8–147
Denmark
Jensen et al.
1955–70 30 NR 1–60 min 227 714 10–4700 (1990)
1971–80 97 NR 1117 274 4–1905
1981–88 129 NR 1184 172 1–4020
Italy 87 Hand laminating Variable 1028 227
Galassi et al.
1978–90 Spraying laminating 166 134
(1993)
Rolling 40 163
Semi-automatic process 71 85
Non-process work 159 71 (38 GM) 3.8 GSD
Italy
10 NR 8 h 64 113.6 GM 8–770.4 Gobba et al.
NR
(1993)
Japan 5 Boat fabrication: 4 h
Ikeda et al.
NR Hull lamination 25 507 GM 145–1091 (1982)
Hull lamination with
local exhaust ventilation
9 277 GM 196–383
Lamination of hold walls 25 537 GM 371–916
448
IARC MONOGRAPHS VOLUME 82