silica dust, crystalline, in the form of quartz or cristobalite - IARC ...
silica dust, crystalline, in the form of quartz or cristobalite - IARC ...
silica dust, crystalline, in the form of quartz or cristobalite - IARC ...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
<strong>IARC</strong> MONOGRAPHS – 100C<br />
Table 1.3 (cont<strong>in</strong>ued)<br />
Reference, <strong>in</strong><strong>dust</strong>ry<br />
and country, period (if<br />
rep<strong>or</strong>ted)<br />
Yass<strong>in</strong> et al. (2005)<br />
Grey–iron foundry, USA<br />
1988–2003<br />
Site, occupation, <strong>or</strong> exposure<br />
circumstance<br />
Concentration<br />
<strong>of</strong> respirable<br />
<strong>crystall<strong>in</strong>e</strong> <strong>silica</strong><br />
(mg/m 3 )<br />
Geometric mean<br />
(GSD)<br />
Spruer 0.154 (0.100) 22<br />
Hunter operat<strong>or</strong> 0.093 (1.144) 10<br />
Charger 0.091 (0.999) 8<br />
C<strong>or</strong>e maker 0.078 (1.033) 89<br />
Gr<strong>in</strong>der 0.075 (0.821) 371<br />
Molder 0.073 (0.910) 308<br />
Abrasive blast operat<strong>or</strong> 0.070 (0.821) 56<br />
S<strong>or</strong>ter 0.067 (0.827) 23<br />
Rel<strong>in</strong>e cupola 0.067 (0.725) 29<br />
Furnace operat<strong>or</strong> 0.066 (0.766) 47<br />
C<strong>or</strong>e setter 0.066 (0.671) 23<br />
Craneman 0.066 (0.815) 16<br />
Clean<strong>in</strong>g department 0.060 (0.879) 36<br />
Inspect<strong>or</strong> 0.057 (1.298) 21<br />
Ladle repair 0.055 (0.829) 30<br />
O<strong>the</strong>r metallurgical operations<br />
Føreland et al. (2008)<br />
Silicon carbide <strong>in</strong><strong>dust</strong>ry,<br />
N<strong>or</strong>way, November 2002–<br />
December 2003<br />
Construction<br />
Tjoe-Nij et al. (2003)<br />
Construction, <strong>the</strong><br />
Ne<strong>the</strong>rlands<br />
Clean<strong>in</strong>g operat<strong>or</strong>s (Plant A) 0.020 (<strong>quartz</strong>)<br />
Mix operat<strong>or</strong>s (Plants A and C),<br />
charger/ mix and charger operat<strong>or</strong>s<br />
(Plant C)<br />
All o<strong>the</strong>r jobs (Plants A, B and C) < 0.005 (<strong>quartz</strong>)<br />
Charger/mix operat<strong>or</strong>s (Plant C) 0.038<br />
(<strong>cristobalite</strong>)<br />
Number <strong>of</strong><br />
samples<br />
Comments<br />
Analysis <strong>of</strong> personal <strong>silica</strong> measurements (n = 7 209) <strong>in</strong><br />
OSHA IMIS; samples collected us<strong>in</strong>g OSHA method ID 142<br />
dur<strong>in</strong>g 2512 compliance <strong>in</strong>spections<br />
Geometric mean 0.008–0.013<br />
(<strong>quartz</strong>)<br />
720 (total) Exposure survey conducted <strong>in</strong> 3 silicon carbide plants;<br />
measurements collected to improve previously developed<br />
job–exposure matrix; sampl<strong>in</strong>g duration close to full<br />
shift (6–8 hours); 2 sampl<strong>in</strong>g periods <strong>of</strong> 2 w<strong>or</strong>k weeks;<br />
gravimetric analysis <strong>of</strong> respirable <strong>dust</strong>; <strong>silica</strong> analysis us<strong>in</strong>g<br />
modified NIOSH method 7500<br />
Geometric mean<br />
(GSD)<br />
Concrete drillers and gr<strong>in</strong>ders 0.42 (5.0) 14<br />
Tuck po<strong>in</strong>ters 0.35 (2.8) 10<br />
Demolition w<strong>or</strong>kers 0.14 (2.7) 21<br />
Cross-sectional study design; repeated <strong>dust</strong> measurements<br />
(n = 67) on 34 construction w<strong>or</strong>kers; full-shift (6–8 hours)<br />
personal respirable <strong>dust</strong> sampl<strong>in</strong>g; gravimetric analysis<br />
<strong>of</strong> respirable <strong>dust</strong>; <strong>silica</strong> analysis by <strong>in</strong>frared spectroscopy<br />
(NIOSH method 7602); 8-h TWA concentrations calculated<br />
364
Change language