| All shipboard personnel responsible for the maintenance and repair of air conditioning systems using refrigerants covered under the EPA Clean Air Act venting prohibition, must be certified through an approved Environmental Protection Agency (EPA) program to do which of the following? |
| A) before performing any maintenance or repair regardless of the actual procedure |
| B) before they can set the operating controls of the system |
| C) before performing maintenance, service or repair that could reasonably be expected to release Class 1 or Class 2 refrigerants into the atmosphere |
| D) before they can pump down the system in preparation for shifting over to the standby condensing unit |
