Sigma’s Kristi Linsmeier, P.E., CHMM and Cory Katzban, P.E. instructed the Essentials of Hazardous Materials Management at a course held July 24-27 hosted by the Wisconsin Certified Hazardous Materials Manager  (CHMM) Chapter. The course is designed for Environmental, Health, and Safety (EHS) professionals who pursue or maintain certification as they stay current on developments in the industry, and remain competent in the knowledge, skills, and abilities demonstrated by earning the CHMM designation. Maintaining the highest professional standards by continuing to uphold and abide by the Code of Ethics is also a requirement. Ms. Linsmeier instructed SARA Title III and Mr. Katzban presented Environmental Sampling.