Sampling Guide for Air Contaminants in the Workplace - Irsst

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40 IRSST – Sampling Guide for Air Contaminants in the Workplace of this value. It is important to mention that a result below the MRV (
ROHS Substances table 41 ROHS Name CAS TWAEV STEV Ceiling (mg/m³) Notes Sampling Device Flow L/min Volume TWAEV STEV (L) Principle MRV µg CVa (%) # meth. Remarks Acetaldehyde 75-07-0 -- -- 45 C3 RP Supelco 2-0257 Orbo 23 tube 2186 Orbo 23 120/60 mg 0,1 GC-MS 0,09 10 IRSST 322-1 Before and after sampling, tubes must be stored in a freezer. Eleven aldehydes are determined simultaneously: acetaldehyde, isobutyraldehyde, isovaleraldehyde, propionaldehyde, butyraldehyde, furfural, heptanal, hexanal, valeraldehyde, acrolein and formaldehyde. This method must not be used for the specific evaluation of formaldehyde; the methods to be used in this case are 295-1 and 357-1. Acetic acid 64-19-7 25 37 SKC 226-01 activated charcoal tube 2120 Activated charcoal 100/50 mg 1 HPLC-UV 40 50 IRSST 195-2 Acetic acid must be sampled specifically. Acetic anhydride 108-24-7 21 Glass fiber filter impregnated with 1-(2- 0,05 0,75 GC-NPD OSHA 82 pyridyl) piperazine Any compound that reacts with 1-(2-pyridyl) piperazine can cause interference. Contact the IRSST before sampling. Acetone 67-64-1 1190 2380 SKC 226-01 activated charcoal tube 2120 Activated charcoal 100/50 mg Max: 0,2 2 1,5 GC-FID 180 1,2 IRSST 22-2 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 1.3%. Acetone 67-64-1 1190 2380 3M Organic Vapor Monitor #3500 2695 Passive dosimeter 0,0401 GC-FID 180 1,2 IRSST 22-2 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 2.2%. Refer to the 3M passive monitor guide on the IRSST's Web site. Acetone 67-64-1 1190 2380 DRI-PAD IRSST 39-A Refer to the user's guide accompanying the instrument. Acetone quantification in the field is done with a direct-reading instrument (DRI). The minimum reported value is 1mg/m³ (0.4 ppm). The method in the reference corresponds to DRI calibration. Acetone cyanohydrin 75-86-5 -- -- 5 Pc RP Porapak QS solid adsorbent tube 100/350 mg 0,2 12 GC-NPD NIOSH 2506 Contact the IRSST before sampling. Acetonitrile 75-05-8 67 101 Activated charcoal tube 400/200 mg 0,01- 0,2 25 3 GC-FID NIOSH 1606 Contact the IRSST before sampling. Acetophenone 98-86-2 49 Tenax tube 30/15 mg 0,2 12 GC-FID OSHA PV2003 Contact the IRSST before sampling.
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Sampling Guide for Air Contaminants in the Workplace - Irsst

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