Sampling Guide for Air Contaminants in the Workplace - Irsst

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ROHS Substances table 52 ROHS Name CAS TWAEV STEV Ceiling (mg/m³) Notes Sampling Device Flow L/min Volume TWAEV STEV (L) Principle MRV µg CVa (%) # meth. Remarks Boron trifluoride 7637-07-2 -- -- 2,8 RP Glass fritted tip impinger containing 10 mL 1 480 SE OSHA ID216SG of 0,1 N ammonium fluoride Contact the IRSST before sampling. Bromacil 314-40-9 10 Glass midget impinger containing 15 mL 1 50 HPLC-UV OSHA IMISB708 of ethylene glycol Contact the IRSST before sampling. Bromine 7726-95-6 0,66 1,3 Silver membrane filter 0,3-1 360 IC-CD 15 NIOSH 6011 Contact the IRSST before sampling. Protect the samples from light. Can be kept for more than 30 days at 25°C. Hydrogen sulfide, hydrochloric and hydrobromic acids may cause interference. Bromine pentafluoride 7789-30-2 0,72 MCE filter with pretreated cellulose pad 1-2 800 SE NIOSH 7902 Contact the IRSST before sampling. Bromoform 75-25-2 5,2 Pc Activated charcoal tube 100/50 mg 0,01- 70 GC-FID NIOSH 1003 0,2 Contact the IRSST before sampling. Bromotrifluoromethane 75-63-8 6090 Two 400/200 mg and 100/50 mg activated 0,01- 1 GC-FID NIOSH 1017 charcoal tubes in series 0,05 Contact the IRSST before sampling. 1,3-Butadiene 106-99-0 4,4 C2 EM Activated charcoal tube impregnated with TBC #SKC 226-73 2189 Activated charcoal with TBC Max: 0,075 10 GC-FID 4,4 IRSST 171-1 1,3-Butadiene must be sampled specifically due to the sampling device used. Butane 106-97-8 1900 DRI-EX IRSST 9-C A DRI is used for measuring combustible gases in terms of percentage of their lower explosive limit. In the paper version of the guide, refer to the note about simple asphyxiants. 2-Butoxyethanol 111-76-2 97 SKC 226-01 activated charcoal tube Max: 10 GC-FID 27 2,9 IRSST 94-2 2120 Activated charcoal 100/50 mg 0,2 2-butoxy ethanol must be sampled specifically due to a specific desorption solvent. However, simultaneous sampling and analysis of the monomethyl ether of propylene glycol are possible. n-Butyl acetate 123-86-4 713 950 Activated charcoal tube #SKC ST226-01 2120 Activated charcoal 100/50 mg Max: 0,2 10 3 GC-FID 71 4,0 IRSST 77-1 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 1.1%.
ROHS Substances table 53 ROHS Name CAS TWAEV STEV Ceiling (mg/m³) Notes Sampling Device Flow L/min Volume TWAEV STEV (L) Principle MRV µg CVa (%) # meth. Remarks sec-Butyl acetate 105-46-4 950 0,0286 GC-FID 475 IRSST 274-1 3M 3500 organic vapour monitor 2695 Passive dosimeter 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 5%. Refer to the 3M passive monitor guide on the IRSST's Web site. sec-Butyl acetate 105-46-4 950 SKC 226-01 activated charcoal tube Max: 10 GC-FID 475 IRSST 274-1 2120 Activated charcoal 100/50 mg 0,2 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 1.1%. tert-Butyl acetate 540-88-5 950 SKC 226-01 activated charcoal tube Max: 10 GC-FID 475 IRSST 275-1 2120 Activated charcoal 100/50 mg 0,2 n-Butyl acrylate 141-32-2 10 Activated charcoal tube impregnated with 0,05 12 GC-FID OSHA PV2011 4-tert-butylcatechol Contact the IRSST before sampling. n-Butyl alcohol 71-36-3 -- -- 152 Pc RP SKC 226-01 activated charcoal tube 2120 Activated charcoal 100/50 mg Max: 0,2 10 GC-FID 81 5,0 IRSST 90-1 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 2.1%. n-Butyl alcohol 71-36-3 -- -- 152 Pc RP 3M 3500 organic vapour monitor 2695 Passive dosimeter 0,0343 GC-FID 81 5,0 IRSST 90-1 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 2.0%. Refer to the 3M passive monitor guide on the IRSST's Web site. sec-Butyl alcohol 78-92-2 303 SKC 226-01 activated charcoal tube Max: 10 GC-FID 65 1,0 IRSST 276-2 2120 Activated charcoal 100/50 mg 0,2 tert-Butyl alcohol 75-65-0 303 SKC 226-01 activated charcoal tube Max: 10 2120 Activated charcoal 100/50 mg 0,2 3 GC-FID 150 IRSST 277-1 tert-Butyl chromate (as CrO3) 1189-85-1 -- -- 0,1 Pc RP PALL CA28149-306 vinyl/acrylic copolymer filter 926 Vinyl/acrylic copolymer filter 1,5 à 4 IC-VIS 360 IRSST 365 IRSST method #365 could be adapted for this product. Contact the IRSST before sampling.
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