The document provides details about Isaac Hardison's environmental engineering internship at PotashCorp, including the various projects he worked on and what he learned. It describes his work reviewing their Title V air permit, updating air emission point and environmental process flow diagrams, assisting with their Spill Prevention Control and Countermeasure Plan, and mapping process and storm water flows. It also outlines shadowing the Environmental Affairs Manager and learning about the structure of air permits, responsibilities of air quality engineers, and diversity in environmental engineering careers.