Sampling Guide for Air Contaminants in the Workplace - Irsst
Sampling Guide for Air Contaminants in the Workplace - Irsst
Sampling Guide for Air Contaminants in the Workplace - Irsst
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ROHS Substances table<br />
98<br />
ROHS Name<br />
CAS<br />
TWAEV<br />
STEV<br />
Ceil<strong>in</strong>g<br />
(mg/m³)<br />
Notes<br />
<strong>Sampl<strong>in</strong>g</strong><br />
Device<br />
Flow<br />
L/m<strong>in</strong><br />
Volume<br />
TWAEV<br />
STEV<br />
(L)<br />
Pr<strong>in</strong>ciple<br />
MRV<br />
µg<br />
CVa<br />
(%)<br />
#<br />
meth.<br />
Remarks<br />
Methyl isobutyl ketone<br />
108-10-1<br />
205<br />
307<br />
SKC 226-01 activated charcoal tube<br />
2120 Activated charcoal 100/50 mg<br />
Max:<br />
0,2<br />
10<br />
3<br />
GC-FID<br />
40 1,4<br />
IRSST<br />
132-3<br />
The analysis can be done by gas chromatography coupled with mass<br />
spectrometry (GC-MS, IRSST method #369); <strong>in</strong> this case <strong>the</strong> analytical<br />
uncerta<strong>in</strong>ty (CVa) is 1.3%.<br />
Methyl isocyanate<br />
624-83-9<br />
0,047 Pc XAD-7 tube impregnated with 1-(2-pyridyl) 0,05 15 HPLC-UV<br />
OSHA<br />
54<br />
piperaz<strong>in</strong>e (1-2PP)<br />
The samples must be stored <strong>in</strong> <strong>the</strong> refrigerator until analysis. Contact <strong>the</strong> IRSST<br />
be<strong>for</strong>e sampl<strong>in</strong>g.<br />
Methyl isopropyl ketone<br />
563-80-4<br />
705<br />
Contact <strong>the</strong> IRSST be<strong>for</strong>e sampl<strong>in</strong>g.<br />
IRSST method 132-3 is <strong>for</strong> methyl isobutyl ketone and can be adapted to methyl<br />
isopropyl ketone.<br />
Methyl mercaptan<br />
74-93-1<br />
0,98 SKC FLT225-9007 glass fiber filter<br />
0,1-0,2 10 GC-FPD<br />
NIOSH<br />
2542<br />
impregnated with a solution of 5% (w/v)<br />
mercuric acetate<br />
Contact <strong>the</strong> IRSST be<strong>for</strong>e sampl<strong>in</strong>g. Protect <strong>the</strong> samples from light. The<br />
recommended volume is from 10 to 150 litres.<br />
Hydrogen sulfide, dimethyl sulfide, dimethyl disulfide, water vapor and propylene<br />
may cause <strong>in</strong>terference dur<strong>in</strong>g <strong>the</strong> analysis.<br />
Methyl methacrylate<br />
(monomer)<br />
80-62-6<br />
205 S SKC 226-75 Anasorb 727 tube<br />
Max: 3 GC-FID 19 1,8 IRSST<br />
85-2<br />
2185 Anasorb 727 300/150 mg<br />
0,25<br />
Methyl methacrylate must be sampled specifically due to <strong>the</strong> sampl<strong>in</strong>g device<br />
used.<br />
Methyl parathion<br />
298-00-0<br />
0,2 Pc OVS-2 tube with XAD-2 and glass fiber 0,2-1 240 GC-FPD<br />
NIOSH<br />
5600<br />
filter<br />
Contact <strong>the</strong> IRSST be<strong>for</strong>e sampl<strong>in</strong>g.<br />
Some phosphates may cause <strong>in</strong>terference dur<strong>in</strong>g <strong>the</strong> analysis.<br />
Methyl propyl ketone<br />
107-87-9<br />
530 SKC 226-01 activated charcoal tube<br />
Max: 10 GC-FID 110 2,0 IRSST<br />
178-1<br />
2120 Activated charcoal 100/50 mg<br />
0,2<br />
The analysis can be done by gas chromatography coupled with mass<br />
spectrometry (GC-MS, IRSST method #369); <strong>in</strong> this case <strong>the</strong> analytical<br />
uncerta<strong>in</strong>ty (CVa) is 0.79%.<br />
Methyl silicate<br />
681-84-5<br />
6 XAD-2 tube<br />
0,05 9 GC-FID<br />
NIOSH<br />
S264<br />
Contact <strong>the</strong> IRSST be<strong>for</strong>e sampl<strong>in</strong>g.<br />
NIOSH method S264 is used <strong>for</strong> ethyl silicate and can be adapted to this product.<br />
alpha-Methyl styrene<br />
98-83-9<br />
242<br />
483<br />
Activated charcoal tube 100/50 mg<br />
2120 Activated charcoal 100/50 mg<br />
Max:<br />
0,2<br />
3<br />
3<br />
GC-FID<br />
15 1,0<br />
IRSST<br />
177-2<br />
Methylacrylonitrile<br />
126-98-7<br />
2,7 Pc Activated charcoal tube 100/50mg<br />
0,2 20 GC-FID<br />
NIOSH<br />
1604<br />
Contact <strong>the</strong> IRSST be<strong>for</strong>e sampl<strong>in</strong>g.<br />
NIOSH method 1604 is <strong>for</strong> acrylonitrile and can be adapted to this substance.
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