Sampling Guide for Air Contaminants in the Workplace - Irsst

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ROHS Substances table 50 ROHS Name CAS TWAEV STEV Ceiling (mg/m³) Notes Sampling Device Flow L/min Volume TWAEV STEV (L) Principle MRV µg CVa (%) # meth. Remarks Benzene 71-43-2 3 15,5 C1 RP EM 3M 3500 organic vapour monitor 2695 Passive dosimeter 0,0355 GC-FID 2 1,4 IRSST 24-3 For the monitors, the flow must be considered as being a sampling rate. According to the data from 3M, the precision (CVsampling) of the sampling rate is 1.7%. Refer to the 3M passive monitor guide on the IRSST's Web site. Benzene 71-43-2 3 15,5 C1 RP EM SKC 226-01 activated charcoal tube 2120 Activated charcoal 100/50 mg Max: 0,2 12 3 GC-FID 2 1,4 IRSST 24-3 The analysis can be done by gas chromatography coupled with mass spectrometry (GC-MS, IRSST method #369); in this case the analytical uncertainty (CVa) is 3.6%. Benzidine (production) 92-87-5 Pc C1 RP EM Two glass fiber filters impregnated with sulfuric acid 1 100 GC-ECD OSHA 65 The filter must be transferred and stored in a container of water until analysis. Contact the IRSST before sampling. Benzo(a)pyrene 50-32-8 0,005 C2 RP EM Millipore AP4003705 glass fiber filter pretreated in the laboratory in series with a Supelco 2-0264 Orbo-42 tube 2187 Orbo 42 100/50 mg 911 GF filter-37 2 GC-MS 0,12 960 IRSST 225-2 The sampling train consists of a cassette that will collect the PAHs in particulate form, followed by a tube that will adsorb the PAHs in vapour form. This tube is connected directly to the pump by Tygon tubing. After sampling, the samples must be stored in the freezer protected from light. The tubes and filters must be shipped together. Ten hydrocarbons are determined simultaneously: acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, chrysene, benz(a)anthracene, benzo(e)pyrene et le benzo(a)pyrene. Benzo(b)fluoranthene 205-99-2 C2 EM Contact the IRSST before sampling. IRSST method 225-2 could be adapted for the analysis of benzo(b)fluoranthene p-Benzoquinone 106-51-4 0,44 XAD-2 tube 0,1-0,2 24 HPLC-UV NIOSH S181 Contact the IRSST before sampling. Benzoyl peroxide 94-36-0 5 Mixed cellulose ester filter 1-3 400 HPLC-UV NIOSH 5009 Contact the IRSST before sampling. Keep the sampled cold during transport. Loss of 9% after one week at 25°C. Benzyl chloride 100-44-7 5,2 SKC 226-01 activated charcoal tube Max: 10 GC-FID 2,7 4,0 IRSST 253-1 2120 Activated charcoal 100/50 mg 0,2
ROHS Substances table 51 ROHS Name CAS TWAEV STEV Ceiling (mg/m³) Notes Sampling Device Flow L/min Volume TWAEV STEV (L) Principle MRV µg CVa (%) # meth. Remarks Beryllium [7440-41-7], metal and compounds (as Be) 7440-41-7 0,00015 C1 RP EM S Mixed cellulose ester filter 0.8 µm, 37mm or 25 mm, closed cassette 905 MCE filter-37 915 MCE filter-25 1,5 ICP-MS 0,0005 3,59 180 IRSST 359 Cassettes 913 or 916, whose filters are preweighed, can also be used. For surface wipe sampling, contact Laboratory Customer Service. Specific sampling must be carried out for this substance. The analytical results are expressed as total beryllium. Biphenyl 92-52-4 1,3 XAD-7 tube 100/50 mg 0,2 20 GC-FID OSHA PV2022 Contact the IRSST before sampling. Bismuth telluride (as Bi2Te3), Se-doped 1304-82-1 5 SKC 225-8-01-1 or 225-8-04 polyvinyl 1,5 180 Grav 25 4,9 IRSST 48-1 chloride filter 902 PVC filter-37 914 PVC filter-25 Additional information is available in Info-Labo 91-03. The weight measurement method for dusts is by definition non-specific. Bismuth telluride (as Bi2Te3), Se-doped 1304-82-1 5 Mixed cellulose ester filter 2 960 FAAS OSHA ID121 Contact the IRSST before sampling. A stoichiometric factor must be applied. Bismuth telluride (as Bi2Te3), Undoped 1304-82-1 10 SKC 225-8-01-1 or 225-8-04 polyvinyl 1,5 180 Grav 25 4,9 IRSST 48-1 chloride filter 902 PVC filter-37 914 PVC filter-25 Additional information is available in Info-Labo 91-03. The weight measurement method for dusts is by definition non-specific. Bismuth telluride (as Bi2Te3), Undoped 1304-82-1 10 Mixed cellulose ester filter 2 960 FAAS OSHA ID121 Contact the IRSST before sampling. A stoichiometric factor must be applied. Boron oxide 1303-86-2 10 SKC 225-8-01-1 or 225-8-04 polyvinyl 1,5 180 Grav 25 4,9 IRSST 48-1 chloride filter 902 PVC filter-37 914 PVC filter-25 Additional information is available in Info-Labo 91-03. The weight measurement method for dusts is by definition non-specific. Boron tribromide 10294-33-4 -- -- 10 RP Prefilter PTFE with silver membrane 0,3-1 360 IC-CD NIOSH 6011 Contact the IRSST before sampling. The bromide and bromate ions are analyzed.
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