Recommendation 4-9: High-capacity, easily cleanable, inexpensive, robust devices with submicrometer cutpoints and with the ability to transmit or collect (cyclone) particles as large as 30 μm AD should be developed. Use of new materials and fabrication techniques should be considered.


Finding 4-10: An aerosol concentrator can require the expenditure of considerable power.


Recommendation 4-10: The development of more efficient blowers and concentrators should be supported.



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