One of the U.S. Environmental Protection Agency’s many duties is to oversee programs that protect the stratospheric ozone layer. Section 608 and 609 of the Clean Air Act enforces activities that protect the ozone layer as they apply to refrigeration and air conditioning systems. READ MORE
Save time and take the test online! The 609 examination is an open book test that can be taken online for $20 with immediate results. Persons who pass the open book exam are awarded: a wallet ID card and a wall certificate.
Click here to download a copy of the free study guide.
Click here to take the exam now!