With regards to shipboard refrigeration systems, after July 1, 1992, what action became illegal?

Correct Answer: Option C — intentionally venting class I or II refrigerants to the atmosphere

EPA regulations under Clean Air Act Section 608 and Title 46 CFR prohibit the intentional venting of ozone-depleting Class I and Class II refrigerants into the atmosphere during maintenance, service, repair, or disposal of marine refrigeration and air conditioning equipment.