3 Safety
Process materials
Page
3 - 10
MB-20-G/MB-200G-W_MB-LABmaster_MB-200 MOD_TP700
Operating Manual - V5.0 - 04/2018 - STD
Pictogram Class Acceptable limits of
exposure (µg/m
3
dust / ppm vapour)
Typical H-statements
Hazard classMB-
HC-II
Increased hazard
10 – 100 µg/ m
3
0.5 – 5 ppm
H331, H311, H301
(not in combination
with H317)
H314, H335, H318,
H317
H372 with one or
more of H332,
H312, H302
Hazard classMB-
HC-III
Activities with carci-
nogenic, mutagenic
and fertility-com-
promising hazard-
ous materials
1.0 - 10 µg/ m
3
0.05 – 0.5 ppm
H330, H310, H300
H351
H372 with one or
more of H314,
H335, H318, H317
H360, H361
Hazard classMB-
HC-IV
Special personal
protection for ex-
tremely hazardous
substances
0.01 – 1.0 µg/ m
3
0.005 – 0.05 ppm
H334, H350, H340
Hazard class MB-
HC-EX (inside)
Activities involving
hazardous materi-
als flammable in air
H251, H224, H225,
H226
1
Source: assembled according to Nigel Hirst, Mike Brocklebank and Martyn Ryder
(2002), Containment System. A Design. Published by Gulf Professional Publishing.
ISBN 0 7506 7612 4. Transferred to Digital Printing 2008.
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