Who must be certified? Any person that services Motor Vehicle Air Conditioning (mvac)



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609 exam manual














TRAINING and CERTIFICATION
Technician training and certification are not intended to test skills necessary to diagnose problems with, or to repair, motor vehicle air conditioners. Rather, training and certification teach and test technicians on how to properly recover and recycle refrigerant, appropriate handling of refrigerants, the law, and why it must be done to protect the stratospheric ozone layer.
TEST ADMINISTRATION & GRADING
All tests are electronically graded and records are maintained at the ESCO Institute’s Program Development and Grading Center, located in Mount Prospect IL. All inquiries and correspondence should be directed to The ESCO Institute PO. Box
521 Mount Prospect, ILA technician who successfully completes the exam, by achieving a score of 84% or higher, will receive a certification ID card bearing the technicians name and certificate number. A technician's certification number will be the same as their social security number. Technicians who fail to achieve a passing score will receive a failure notice. Technicians should allow 2 to 3 weeks for the results of their certification exam.
SECTION 609 MOTOR VEHICLE AIR CONDITIONING
CERTIFICATION TEST & PREPARATORY MANUAL
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STRATOSPHERIC OZONE DEPLETION
During the last half century, CFC refrigerants (chlorine ‐ fluorine ‐ carbon) have dramatically changed our lifestyles. Little did we know that the use and release of these compounds into the atmosphere would have devastating effects on the Earth's environment. The greatest effect is far removed from the Earth's surface, in the Stratosphere. Located between 10 and 30 miles above the Earth's surface, the Stratosphere contains the Ozone layer. The Ozone layer is the earth's security blanket. The Ozone layer serves two important functions. Ozone protects us from harmful Ultra Violet Radiation and helps to maintain stable Earth temperatures. Depletion of Ozone in the Stratosphere causes
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