ENV 590: S/T: Hazardous Waste Operations And Emergency Response (hazwoper) 3 credits The course includes an overview of federal regulations, advanced toxicology, hazard communication, site characterization and management, air monitoring, operating procedures, safety, spill cleanup, personal protective equipment and decontamination procedures as well as several extended field trips/exercises. A 40 hour HAZWOPER certificate is awarded upon successful completion of the course.