Catherine Mukai has expertise in air emissions and concentration impact assessment, using fundamental skills in emissions estimation, regulatory analysis, air dispersion modeling, and health risk assessments. Ms. Mukai has provided permitting, compliance, and litigation support for industrial stationary sources and quantified emissions and concentration impacts from mobile sources, rail, and marine sources, as well. Ms. Mukai has successfully applied for permits for stationary sources of air pollution and GHG in many states and California air districts, under New Source Review and Prevention of Significant Deterioration programs. She has also prepared air quality technical reports for California Environmental Quality Act (CEQA) impact analyses of Air Quality, Greenhouse Gas, and Energy Resources.