Operating field Sample Clauses

Operating field. The method applies to processes placed in fume cupboards (or equivalent) emitting ultrafine or nano-sized particles (Chemical vapor deposition reactors, flame spray pyrolysis, weathering processes, lab grinders, spray drying, weighing or transferring of powders, cleaning…). 1 And if the aerosol coagulation is negligible, which is verified in practice given the fast occuring dilution An access to the exhaust duct of the fume cupboard is mandatory. It is also necessary to place several devices in the fume cupboard together with the existing process. The compatibility of these requirements with the process has to be considered beforehand. An example of suitable process and of the required access to the exhaust duct are depicted in Figure 12 and Figure 13.