CSR 45-14-10. Modeling Requirements

45-14-10. Modeling Requirements. 10.1. All estimates of ambient concentrations required under section 9 shall be based on the applicable air quality models, data bases, and other requirements specified in the Appendix W of 40 CFR Part 51 (Guideline on Air Quality Models). 10.2. Where an air quality impact model specified in Appendix W of 40 CFR Part 51 (Guideline on Air Quality Models) is inappropriate, the model may be modified or another model substituted, provided that said modification or substitution is approved in writing by the Administrator.