15A NCAC 02D .0527      EMISSIONS FROM SPODUMENE ORE ROASTING

Emission of sulfur dioxide and sulfuric acid mist from any one kiln used for the roasting of spodumene ore shall not exceed:

(1)           9.7 pounds of sulfur dioxide per ton of ore roasted; and

(2)           1.0 pound of sulfuric acid mist, expressed as H₂SO₄, per ton of ore roasted.

History Note:        Authority G.S. 143‑215.3(a)(1); 143‑215.107(a)(5);

Eff. March 15, 1978;

Amended Eff. January 1, 1985;

Readopted Eff. November 1, 2020.