- (a) For a coal-burning device placed in operation before April 15, 1970 the sulfur content of coal burned in the device shall not exceed 2.8 pounds per million BTU gross heat content.
(b) For a coal-burning device placed in operation on or after April 15, 1970:
- (1) The sulfur content of coal burned in the device shall not exceed 1.5 pounds per million BTU gross heat content; and
- (2) The sulfur content of coal burned in the device shall not exceed 1.0 pound per million BTU gross heat content, averaged over any consecutive 3-month period.
Source. #6519-B, eff 5-29-97 (from Env-A 402.02); ss by #8330, eff 4-23-05; ss by #10415, eff 9-24-13 (from Env-A 1606.01); ss by #12694, eff 12-22-18; ss by #13808, eff 11-18-23