Screening model definition
Screening model means air dispersion modeling performed with screening techniques in accordance with 40 CFR 51, Appendix W as of June 30, 2017 (and no future amendments or additions).
Screening model means air dispersion modeling performed with screening techniques in accordance with 40 CFR 51 Appendix W.
Screening model means an air dispersion model that produces estimates of "worst-case" 1- hour air pollutant concentrations for a single source, without the need for meteorological data. It also includes conversion factors to estimate "worst-case" 3-hour, 8-hour, 24-hour, and annual concentrations.