Ms. Weichsel is experienced in environmental practices and standards with a focus on air quality including criteria pollutant, hazardous air pollutant and greenhouse gas emissions estimation and reporting at state and federal levels, threshold modelling, toxic release inventory reporting, Title V permitting, state air permitting and exemptions, potential to emit calculations, ISO 14001 audits and implementation, and emission inventory verification. Ms. Weichsel is a licensed Professional Engineer in both Michigan and Pennsylvania.