Environmental regulators have fined an automotive parts manufacturer in Botetourt County $227,790 for violating state air pollution standards.
Dynax America Corp. agreed to pay the civil charge and fix identified problems with its scrubbers, devices that remove contaminants from emissions before they are released from the plant's smokestacks.
Inspections by the Virginia Department of Environmental Quality found that Dynax operated without a renewed air permit for 55 days in 2019. Later tests showed excessive releases of hydrochloric acid on several occasions through 2022.
Hydrochloric acid, a colorless gas with a pungent odor, is used in a variety of industries. It is listed by the federal Environmental Protection Agency as a hazardous air pollutant, meaning that it can cause serious health problems or adverse environmental impacts.
Estimated emissions were as high as .48 pounds per hour - nearly twice the limit of .25 pounds per hour allowed by the plant's state permit, according to a consent order recently posted to DEQ's website.
The highest reported 12-month total was 127 tons; the permit called for no more than 54.8 tons per year.
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"DEQ has not been made aware of any adverse impacts to the local community as a result of these permit violations," spokeswoman Julia Raimondi wrote in an email. "DEQ air permit emission limits are calculated based on very conservative assumptions to ensure the protection of human health and the environment."
It was at least the second time in the past five years that Dynax was cited for excessive releases of hydrochloric acid. In 2019, DEQ imposed a fine of $168,204 and ordered the company to take corrective action.
The most recent enforcement action details several steps to be taken over the next two years, including enhanced testing, monthly progress reports, an evaluation of the production line and its scrubbers, and replacement of the equipment by October 2025.
"Dynax has continuously worked towards achieving compliance through process changes, equipment replacement and upgrades, adding an additional scrubber, and hiring outside consultants to assist in finding a solution," the consent order states.
A call to a company official who signed the document was not returned Wednesday.
Although both Dynax and DEQ agreed to the findings and penalty outlined in the consent order, public comments will be accepted through Jan. 28 before final action is taken.
Dynax is located in the EastPark Commerce Center near Bonsack. The Japan-based company manufactures friction-based parts for use in automobiles, which mainly consist of clutch discs, blades and synchronizer rings.
The company was Botetourt County's third largest employer in 2023, according to the Virginia Employment Commission.
Laurence Hammack (540) 981-3239
laurence.hammack@roanoke.com
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