By Walter F. Roche Jr.
Citing a discrepancy in data submitted by a major chemical company, Tennessee environmental regulators say they are concerned that the company may have exceeded set permit limits on nitrous oxide emissions.
In a two-page letter sent yesterday to Dylan Charles of US Nitrogen LLC, an official of the Tennessee Department of Environment and Conservation is asking the Greene County firm to recalculate the amount of nitrous oxide emitted from the Midway plant going back to the third quarter of 2017.
Bryan Parker, the TDEC official, wrote that US Nitrogen should make the new calculations based on the corrected data US Nitrogen submitted on Aug. 24 of this year.
Citing those revised figures, Parker wrote, "In reviewing this situation, the division has concerns over the potential for excess emissions to have occurred but not being reported due to the calculation discrepancy."
Parker wrote that the new calculations "will serve to veriy that no excess emissions occurred during the time period when the emissions were not being properly reported."
He added that if US Nitrogen is able to ascertain when the discrepancy first occurred then nitrous oxide emissions will only have to be recalculated from that point forward.
Parker, however, added that the corrected data must be accompanied by a letter explaining "why this issue occurred."
Parker said the revised data and the explanation should be submitted along with the company's next semi-annual report on nitrous oxide emissions.
Parker's letter was sent in response to US Nitrogen's latest semi-annual report on nitrous oxide emissions from the nitric acid plant and a steam generating boiler. The report covered the first six months of 2020.
Contact: wfrochejr999@gmail.com
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