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 | Refigerant Transistion and Recovery Certification Program Manual for HVACR Technicians: Section 608 EPA Ceriification Program, (5th Edition) by John Tomczyk, Richard Shaw, Ferris State University, Hvacr Instit Paperback, 163 Pages, Published 2009 ISBN-10: 0-9748281-0-6 / 0974828106 ISBN-13: 978-0-9748281-0-7 / 9780974828107 This manual prepares HVAC-R technicians with the knowledge needed to respond professionally to current and future environmental challenges. It begins with discussion of HVAC fundamentals and core topics, such as: refrigerant chemistry, oils, ozone depletion, global warming, and the Montreal protocol | |