NMAM 5524: METALWORKING FLUIDS (MWF) ALL CATEGORIES

membrane filter (see Appendix 1 for PTFE filter cleanup procedure) and PTFE supporting pad in 37-mm cassette filter holder. Use a 2-piece (closed face) cassette for sampling ‘total’ aerosol. For sampling the thoracic fraction, use a 3-piece cassette with thoracic cyclone that samples at 1.6 L/min at the thoracic cutpoint. See Evaluation of ...

  Membrane, Holder