Monday, August 14, 2017

US Nitrogen Cited For 3 Permit Violations

By Walter F. Roche Jr.

Tennessee environmental regulators have charged a Midway chemical manufacturer with three violations of its permit to operate an ammonia plant.
In a two-page order issued Aug. 7, the Tennessee Department of Environment and Conservation ruled that on three dates last year US Nitrogen exceeded a limit on the number of burners it can operate before anti-pollution equipment is fully operational.
According to the citation US Nitrogen's own records show that more than 15 burners were in operation on three times late last year when a Selective Catalytic Reduction unit was not fully operational.
The citation from TDEC Manager Amanda Davis notes that US Nitrogen disclosed the apparent violations in a May 2 letter to the agency.
The citation states that subsequently two TDEC inspectors visited US Nitrogen's Greene County  facility and determined that the violations did occur.
The citation states that the violations occurred on Oct. 21, Oct. 23 and Dec. 2 and the number of burners operating on those dates ranged from 16 to 24.
The notice gives US Nitrogen 20 days to submit any information showing that the violations did not occur.
The notice does not indicate that any financial penalty is being imposed for the violations.
TDEC spokesman Eric Ward said that under agency procedures once the 20 day response period has passed department officials will review the case and determine whether to take enforcement action. That could include a financial penalty but not necessarily, he wrote in an email.
US Nitrogen officials did not immediately respond to requests for comment.
TDEC previously issued two permit violation notices to US Nitrogen for other permit violations, including failure to meet a testing deadline on its nitric acid plant. It imposed fines totaling $19,000.
A subsidiary of Ohio based Austin Powder, US Nitrogen provides ammonium nitrate for its parent to manufacture explosives.

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