North Carolina Administrative Code (Last Updated: November 13, 2014) |
TITLE 15A. ENVIRONMENT AND NATURAL RESOURCES |
CHAPTER 02. ENVIRONMENTAL MANAGEMENT |
SUBCHAPTER D. AIR POLLUTION CONTROL REQUIREMENTS |
15A NCAC 02D .0534. FLUORIDE EMISSIONS FROM PHOSPHATE FERTILIZER INDUSTRY
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(a) Emissions of total fluorides shall not exceed:
(1) 0.020 pounds per ton of phosphorus‑bearing material fed to any wet‑process phosphoric acid plant;
(2) 0.010 pounds per ton of phosphorus‑bearing material fed to any superphosphoric acid plant;
(3) 0.40 pounds per ton of phosphorus‑bearing material fed to any granular diammonium phosphate plant;
(4) 0.20 pounds per ton of phosphorus‑bearing material fed to any run‑of‑pile triple superphosphate plant including curing and storing process;
(5) 0.20 pounds per ton of phosphorus‑bearing material fed to any granular triple superphosphate plant that began operating after December 31, 1969;
(6) 0.40 pounds per ton of phosphorus‑bearing material fed to any granular triple superphosphate plant that began operating before January 1, 1970; and
(7) 0.00050 pounds per hour per ton of phosphorus‑bearing material cured or stored at any curing or storage facility associated with a granular triple supersphosphate plant.
(b) The phosphorus‑bearing material mentioned in Paragraph (a) of this Regulation shall be expressed as phosphorus pentoxide.
History Note: Authority G.S. 143‑215.3(a)(1); 143‑215.107(a)(5);
Eff. November 1, 1982.