15A NCAC 02Q .0809 CONCRETE BATCH PLANTS
(a) This Rule applies to concrete batch plants that use fabric filters or equivalently effective control devices to control particulate emissions from the storage silos and the weigh hopper that receives materials from the cement and cement supplemental (mineral admixture) silos.
(b) For the purpose of this Rule, potential emissions shall be determined using actual cubic yards of wet concrete produced.
(c) Any concrete batch plant that produces less than 1,210,000 cubic yards of wet concrete per year shall be exempted from the requirements of Section .0500 of this Subchapter.
(d) The owner or operator of any concrete batch plant exempted by this Rule from Section .0500 of this Subchapter shall submit to the regional supervisors of the appropriate Division regional office by March 1 of each year a report containing the following information:
(1) name and location of the concrete batch plant;
(2) current air permit number;
(3) number of cubic yards of wet concrete produced during the previous calendar year; and
(4) signature of the appropriate official as identified in Rule .0304(j) of this Subchapter certifying as to the truth and accuracy of the report.
(e) The owner or operator of any concrete batch plant exempted by this Rule from Section .0500 of this Subchapter shall provide documentation of the cubic yards of wet concrete produced to the Director upon request. The owner or operator of a concrete batch plant exempted by this Rule from Section .0500 of this Subchapter shall retain records to document the cubic yards of wet concrete produced per year for the previous three years.
(f) For concrete batch plants covered by this Rule, the owner or operator shall report to the Director any exceedance of a requirement of this Rule within one week of its occurrence.
History Note: Authority G.S. 143-215.3(a); 143-215.107(a)(10); 143-215.108;
Eff. June 1, 2004.