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We are evaluating a range of commercially available liquid aerosol generators to produce chemical aerosols of controlled characteristics such as aerosol size, mass, and concentration that can be implemented at our Ambient Air Test Facility (AATF). For our current program of interest, we generate simulant aerosols representing classes of chemicals of interest. Various types of generators are characterized in the laboratory, including atomizing nozzles and vibrating mesh-based devices. Studies are conducted to quantify the range of aerosol size, mass, and number concertation achievable for the different types of aerosol generators. Some of the analysis and the laboratory results are presented here.
Aduroja et al. (Fri,) studied this question.