HOUSTON, TX – A former Denver, Colorado air conditioning businessman has been sentenced to nine months in federal prison for illegally importing over a ton of ozone-depleting refrigerant into the United States. Kenneth McManus, 53, pled guilty in March to a single count of violating the Clean Air Act (CAA) and was sentenced on May 12, 2000, in a Texas federal court.
According to court documents, McManus knowingly imported approximately 2,000 pounds of R-12 refrigerant – a chlorofluorocarbon (CFC) – manufactured in India and purchased in Saudi Arabia. The importation of R-12 is heavily restricted under the Montreal Protocol, an international treaty designed to protect the ozone layer. The protocol phased out the production and import of CFCs due to their damaging effects on the atmosphere.
Federal investigators discovered the illicit shipment and traced it back to McManus. The defendant circumvented established import regulations, failing to obtain the necessary allowances required to legally bring the restricted substance into the country. The case highlights the ongoing efforts by the Environmental Protection Agency (EPA) to combat the illegal trade of ozone-depleting substances, which contribute to the thinning of the ozone layer and increased levels of harmful ultraviolet radiation reaching the Earth’s surface.
While no fine was imposed, McManus received a 36-month probationary period following his release from incarceration. Crucially, the court ordered McManus to have absolutely no further involvement with ozone-depleting substances, effectively barring him from any future activity related to the trade or handling of refrigerants like R-12. The severity of the sentence, despite the lack of a monetary penalty, underscores the federal government’s commitment to enforcing environmental regulations and deterring illegal activity that threatens atmospheric health.
Legal Ramifications
McManus was charged under 42 U.S.C. 7413(c)(1) of the Clean Air Act, which specifically addresses the knowing violation of regulations concerning ozone-depleting substances. This section of the CAA carries potential penalties of up to five years in prison, a fine of up to $250,000 per violation, or both. While McManus received a shorter sentence than the maximum, the nine-month incarceration and lengthy probation period represent a significant consequence for his illegal actions.
Key Facts
- Defendant: Kenneth McManus
- State: Texas
- Year: 2000
- Crime: Illegal Importation of Ozone-Depleting Substances (R-12 refrigerant)
- Quantity: Over one ton (approximately 2,000 pounds) of R-12
- Statute Violated: 42 U.S.C. 7413(c)(1) – Clean Air Act
- Sentence: Nine months incarceration, 36 months probation, prohibition from handling ozone-depleting substances.
- Source of Refrigerant: Manufactured in India, purchased in Saudi Arabia
The EPA continues to actively investigate and prosecute individuals and businesses involved in the illegal import and sale of ozone-depleting substances, working to protect the environment and ensure compliance with international treaties like the Montreal Protocol. This case serves as a warning to others considering engaging in similar illicit activities.
Source: EPA ECHO Enforcement Case Database
Related Federal Cases
- Kenneth McManus, Ozone Smuggling, TX 2000 · Washington
- Kenneth Ward, Wire Fraud, MT 2021 · Nevada
- Sarah Johnson, CARES Act Loan Fraud, Denver CO, 2023 · Kansas
- Hot Springs Man Sentenced for PPP UI Fraud, Hot Springs AR, 2023 · Washington
- Boulder Man Sentenced for COVID-19 Loan Scam, Boulder CO, 2023 · Kansas

