The University of Wisconsin-Madison, Department of Engineering Professional Development, offers the course, Introduction to Ammonia Refrigeration Systems, March 6-8, 2013, Madison, WI. Learn best practices for ammonia refrigeration safety and operation, and gain an understanding of the equipment used in ammonia systems. This course covers basic theory and system operation, focusing on refrigeration cycle basics, refrigeration system components and layout, and an overview of safety issues, including OSHA and EPA regulations. Visit: http://epd.engr.wisc.edu/webN213 or email custserv@epd.engr.wisc.edu.