US Nitrogen Gets Permit Waiver

By Walter F. Roche Jr.

Tennessee environmental officials have approved a petition filed by US Nitrogen to classify a new emergency backup generator on its Greene County site as an insignificant pollution source thus exempting the equipment from requiring a permit.
In a one-page letter sent this week to Dylan Charles, the Tennessee Department of Environment and Conservation said it agreed with the company that a more thorough review process was not required.
The chemical company had requested the "insignificant source" classification in a letter sent to TDEC earlier this month.
According to Charles letter the generator will be installed in US Nitrogen's security building located in Midway. Charles said in the letter that the generator would release less than five tons of air contaminants per year and that it would run on propane.
"It has been determined that the emergency generator for the security building described in you application would constitute an "insignificant activity" or insignificant emissions unit," James P. Johnston of TDEC wrote in the letter.
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