Sampling Guide for Air Contaminants in the Workplace - Irsst

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ROHS Substances table 102 ROHS Name CAS TWAEV STEV Ceiling (mg/m³) Notes Sampling Device Flow L/min Volume TWAEV STEV (L) Principle MRV µg CVa (%) # meth. Remarks Nickel, Metal 7440-02-0 1 Mixed cellulose ester filter, 0.8µm, 25 and 1,5 180 ICP-MS 2 3,89 IRSST 362 37 mm. 905 MCE filter-37 915 MCE filter-25 Cassettes 913 or 916, whose filters are preweighed, can also be used. For surface wipe sampling, contact Laboratory Customer Service. The analytical results are expressed as total nickel. Nickel [7440-02-0], Insoluble compounds (as Ni) 1 Mixed cellulose ester filter, 0.8µm, 25 and 1,5 180 ICP-MS 2 3,89 IRSST 362 37 mm. 905 MCE filter-37 915 MCE filter-25 Cassettes 913 or 916, whose filters are preweighed, can also be used. For surface wipe sampling, contact Laboratory Customer Service. The analytical results are expressed as total nickel. Nickel [7440-02-0], Soluble compounds (as Ni) 0,1 Gelman 60714 polyvinyl chloride filter 1,5 180 FAAS 2 4,3 IRSST 214-2 903 PVC filter-37 Specific sampling must be carried out for this substance. The analytical results are expressed as total soluble nickel. Nickel carbonyl (as Ni) 13463-39-3 0,007 Mixed cellulose ester filter in series with a 0,05- 80 ET-AAS NIOSH 6007 charcoal tube with low nickel content 0,2 Contact the IRSST before sampling. Nickel sulfide roasting, fume and dust (as Ni) 1 C1 RP EM Contact the IRSST before sampling. IRSST method 362 is for certain metals by ICP-MS and can be adapted to nickel sulfide. Nicotine 54-11-5 0,5 Pc SKC 226-30-04 XAD-2 tube 1,0 100 GC-NPD 0,5 4,0 IRSST 233-1 2152 XAD-2 100/50 mg Nicotine must be sampled specifically due to the sampling device used and the specific desorption solvent. Nitrapyrin 1929-82-4 10 20 OVS-2 tube with XAD-2 and glass fiber filter 1 480 HPLC-UV 15 OSHA IMIS0684 Contact the IRSST before sampling. Nitric acid 7697-37-2 5,2 10 Treated silica gel tube SKC 226-10-03 2147 Silica gel 400/200 mg 0,2 48 IC-CD 5,1 3,55 3 IRSST 211-1 Five ions can be determined simultaneously, namely bromide, chloride, nitrate, phosphate and sulfate. Analytical results are expressed as hydrobromic, hydrochloric, nitric, phosphoric and sulfuric acid. Samples are stable for 21 days at 25°C. All the nitrate ions not originating from the acid can cause positive interference.
ROHS Substances table 103 ROHS Name CAS TWAEV STEV Ceiling (mg/m³) Notes Sampling Device Flow L/min Volume TWAEV STEV (L) Principle MRV µg CVa (%) # meth. Remarks p-Nitroaniline 100-01-6 3 Pc Mixed cellulose ester filter 1,0-3,0 350 HPLC-UV NIOSH 5033 Contact the IRSST before sampling. Nitrobenzene 98-95-3 5 Pc Silica gel tube 100/50 mg 0,01-1 150 GC-FID NIOSH 2005 Contact the IRSST before sampling. p-Nitrochlorobenzene 100-00-5 0,64 Pc Silica gel tube 150/75mg 0,01-1 150 GC-FID NIOSH 2005 Contact the IRSST before sampling. 4-Nitrodiphenyl 92-93-3 Pc C1 RP EM OVS-2 tube with XAD-2 and glass fiber filter 1,0 240 HPLC-UV OSHA PV2082 Contact the IRSST before sampling. Nitroethane 79-24-3 307 Two XAD-2 tubes in series 0,01- 3 GC-FID NIOSH 2526 0,05 At the end of sampling, the front tube must be separated from the back tube to avoid migration. Reseal each end of the tubes. Contact the IRSST before sampling. Nitrogen 7727-37-9 Ax DRI-elec IRSST 26-C Since azote is a simple asphyxiant, oxygen in the air is quantified in the field with a direct-reading instrument (DRI). The minimum reported value is 1% oxygen. The reference method corresponds to calibration of the DRI. Nitrogen dioxide 10102-44-0 5,6 DRI-elec IRSST 30-B Refer to the user's guide accompanying the instrument. Nitrogen dioxide is quantified in the field with a direct-reading instrument (DRI). The minimum reported value is 0.9 mg/m³ (0.5 ppm). The reference method corresponds to calibration of the DRI. Nitrogen monoxide 10102-43-9 31 DRI-elec IRSST 06-A Refer to the user's guide accompanying the instrument. Nitric oxide is quantified in the field with a direct-reading instrument (DRI). The minimum reported value is 1.2 mg/m³ (1 ppm). The reference method corresponds to calibration of the DRI.. Azote monoxyde quantified with DRI. Nitrogen trifluoride 7783-54-2 29 DRI-IR OSHA IMIS1907 Contact the IRSST before sampling. Nitroglycerin (NG) 55-63-0 -- -- 1,86 Pc RP Tenax tube, 100/50 mg 0,2-1 100 GC-ECD NIOSH 2507 Contact the IRSST before sampling. Can be kept for at least 25 days at 25°C.
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Sampling Guide for Air Contaminants in the Workplace - Irsst

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