Sampling Guide for Air Contaminants in the Workplace - Irsst

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ROHS Substances table 126 ROHS Name CAS TWAEV STEV Ceiling (mg/m³) Notes Sampling Device Flow L/min Volume TWAEV STEV (L) Principle MRV µg CVa (%) # meth. Remarks Tributyl phosphate 126-73-8 2,2 Mixed cellulose ester filter 1-3 100 GC-FPD NIOSH 5034 According to NIOSH 5034, two mixed cellulose ester filters in series can be used in the case where the temperature of the sampling site exceeds 23°C. Contact the IRSST before sampling. Trichloroacetic acid 76-03-9 6,7 Silica gel tube 100/50 mg 0,2 10 HPLC-UV OSHA PV2017 Contact the IRSST before sampling. 1,2,4-Trichlorobenzene 120-82-1 -- -- 37 RP Polytetrafluorocarbon (teflon) filter in 0,01- 10 GC-ECD NIOSH 5517 series with an XAD-2 tube 0,2 Contact the IRSST before sampling. 1,1,2-Trichloroethane 79-00-5 55 Pc SKC 226-01 activated charcoal tube Max: 10 GC-FID 22 IRSST 102-1 2120 Activated charcoal 100/50 mg 0,2 Trichloroethylene 79-01-6 269 1070 SKC 226-01 activated charcoal tube 2120 Activated charcoal 100/50 mg Max: 0,2 10 3 GC-FID 58 0,8 IRSST 75-3 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 0.78%. Trichloroethylene 79-01-6 269 1070 3M 3500 organic vapour monitor 2695 Passive dosimeter 0,0311 GC-FID 58 0,8 IRSST 75-3 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 0.6%. Refer to the 3M passive monitor guide on the IRSST's Web site. Trichlorofluoromethane 75-69-4 -- -- 5620 RP Activated charcoal tube 400/200 mg Max: 4 GC-FID NIOSH 1006 0,05 Contact the IRSST before sampling. Trichloronaphthalene 1321-65-9 5 Pc OVS-2 tube with XAD-2 and glass fiber 1 100 GC-ECD OSHA IMIS2483 filter Contact the IRSST before sampling. 1,2,3-Trichloropropane 96-18-4 60 Pc Activated charcoal tube 100/50 mg 0,01- 10 GC-FID NIOSH 1003 0,2 Contact the IRSST before sampling. 1,1,2-Trichloro-1,2,2- trifluoroethane 76-13-1 7670 9590 SKC 226-09 activated charcoal tube 2121 Activated charcoal 400/200 mg 0,2 5 GC-FID 2 1,4 IRSST 191-1 Specific desorption must be carried out for this substance. Freon 113. However, the simultaneous sampling and analysis of chlorodifluoromethane (Freon 22) is possible.
ROHS Substances table 127 ROHS Name CAS TWAEV STEV Ceiling (mg/m³) Notes Sampling Device Flow L/min Volume TWAEV STEV (L) Principle MRV µg CVa (%) # meth. Remarks Tri-o-cresyl phosphate 78-30-8 0,1 Pc Mixed cellulose ester filter 1-3 100 GC-FPD NIOSH 5037 Contact the IRSST before sampling. Triethanolamine 102-71-6 5 S Glass fiber filter 1 100 GC-FID OSHA PV2141 Contact the IRSST before sampling. Triethylamine 121-44-8 20,5 61,5 Pc XAD-7 tube treated with phosphoric acid 0,1-0,2 24 GC-NPD OSHA PV2060 Stable for more than 14 days at 21°C. Contact the IRSST before sampling. Triglycidyl isocyanurate (TGIC) (alpha-) 59653-73-5 0,05 Polyvinyl chloride filter with Accu-Cap. 2,0 240 HPLC-MS 0,7 4 IRSST 364 910 PVC filter-37 with Accu-Cap This method gives a result expressed in total triglycidyl isocyanurate, corresponding to the mixture of the alpha and beta isomers. A gravimetric result of the total dust can be supplied on request. Triglycidyl isocyanurate (TGIC) (beta) 59653-74-6 0,05 Polyvinyl chloride filter with Accu-Cap. 2,0 240 HPLC-MS 0,7 4 IRSST 364 910 PVC filter-37 with Accu-Cap This method gives a result expressed in total triglycidyl isocyanurate, corresponding to the mixture of the alpha and beta isomers. A gravimetric result of the total dust can be supplied on request. Triglycidyl isocyanurate (TGIC) (mixed isomers) 2451-62-9 0,05 Polyvinyl chloride filter with Accu-Cap. 2,0 240 HPLC-MS 0,7 4 IRSST 364 910 PVC filter-37 with Accu-Cap This method gives a result expressed in total triglycidyl isocyanurate, corresponding to the mixture of the alpha and beta isomers. A gravimetric result of the total dust can be supplied on request. Trimellitic anhydride 552-30-7 -- -- 0,04 RP S 2,0 480 HPLC-UV OSHA 98 Contact the IRSST before sampling. Trimethyl benzene 25551-13-7 123 3M 3500 organic vapour monitor 0,0263 GC-FID 62 0,8 IRSST 251-1 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 2.7%. Refer to the 3M passive monitor guide on the IRSST's Web site. Trimethyl benzene 25551-13-7 123 SKC 226-01 activated charcoal tube Max: 10 GC-FID 62 0,8 IRSST 251-1 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%.
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Sampling Guide for Air Contaminants in the Workplace - Irsst

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