EPA fines Doyon firm for Clean Air Act violations

Doyon Associated, LLC (DAL) has been fined $117,000 by the U.S. Environmental Protection Agency (EPA) for violations of the Clean Air Act related to tampering with motor vehicles.

DAL is accused of installing 55 defeat devices and tampering with 28 heavy duty motor vehicles between Jan. 1 and Dec. 31, 2019, the EPA said in a statement issued on July 21. The EPA estimates that tempering with one heavy duty motor vehicle is equivalent to putting some 280 new vehicles on the road, the statement said.

DAL, which specializes in arctic pipeline construction and associated infrastructure, was formed in 2006 by Doyon Oilfield Services, Inc. and Associated Pipe Line Contractors, Inc. Doyon Oilfield Services is a subsidiary of Doyon Limited, an Alaska Native regional corporation. DAL has offices in Fairbanks and Anchorage and shops in Fairbanks and Deadhorse. The EPA said that the company has since retrofitted the vehicles with the required emission control systems.

“The manufacture, sale and installation of defeat devices is against the law,” said EPA Region 10 Office of Enforcement and Compliance Assurance Director Ed Kowalski. “By installing devices that defeat the manufacture -installed air emissions control systems, the company bypassed a system designed to protect the public’s health.” 

This action is part of a national Stopping Aftermarket Defeat Devices for Vehicles and Engines initiative. The practice of tampering with vehicles by installing defeat devices can enable large emissions of nitrogen oxides and particulate matter, which contribute to serious health problems and have harmful effects on sensitive ecosystems