This EPA-608 prep-course includes a 20-minute crash-course video by Jim Johnson that covers a wide variety of information regarding the handling of refrigerant and the specific requirements of the EPA-608 regulation. It also includes a 30-page manual from Nance Universal HVACR Technical School that covers a lot of additional information. If you are attending a Nance School live training, this is the pre-course training you're looking for.
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