Friday, January 21, 2022

US Nitrogen Seeks Eased Opacity Limits

By Walter F. Roche Jr.

In a request made more than a month ago a major Green County chemical firm has asked state officials to ease opacity limits during the startup of its nitric acid plant in Midway.
In the one-page letter to Michelle Owenby of the Tennessee Department of Environment and Conservation, Dylan Charles plant manager of US Nitrogen LLC said the company wanted the state to resume efforts to come up with a new less restrictive emission limit.
Charles acknowledged that the delay in setting new lower limits came only because his company had requested it in March of 2019.
"I am now requesting that the division re-start its efforts related to the source specific SIO (State Inplementation Plan) revision," Charles wrote in the Dec. 13 letter to Owenby.
Charles also requested a meeting with TDEC officials on its request.
Excess visible emissions during start-up of the nitric acid plant has been a recurring issue between state regulators and US Nitrogen. Those issues came to light during the initial start-up of the plant in September of 2016.
Excessive visible emissions have also generated complaints from area residents and environmental advocates like Park Overall.
Contact: wfrochejr999@gmail.com

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