SAN DIEGO COUNTY AIR POLLUTION CONTROL DISTRICT
 
 

RULE 260.70. APPLICABILITY AND DESIGNATION OF AFFECTED FACILITY

(a) Except as provided in Sections(b), (c), and (d) of this rule, the provisions of this subpart are applicable to the following affected facilities in fixed or portable nonmetallic mineral processing plants: each crusher, grinding mill, screening operation, bucket elevator, belt conveyor, bagging operation, storage bin, enclosed truck or railcar loading station.

(b) An affected facility that is subject to the provisions of Subpart I or that follows in the plant process any facility subject to the provisions of Subpart I of this Regulation is not subject to the provisions of this subpart.

(c) Facilities at the following plants are not subject to the provisions of this subpart:
 

  1. Fixed sand and gravel plants and crushed stone plants with capacities, as defined in Rule 260.671, of 23 megagrams per hour (25 tons per hour) or less;
  2. Portable sand and gravel plants and crushed stone plants with capacities, as defined in Rule 260.671, of 136 megagrams per hour (150 tons per hour) or less; and
  3. Common clay plants and pumice plants with capacities, as defined in Rule 260.671, of 9 megagrams per hour (10 tons per hour) or less.

There are no lower capacity exemptions for plants that process the nonmetallic minerals listed in Rule 260.671(o)(4) through (o)(6) and (o)(8) through (o)(18).

(d)

  1. When an existing facility is replaced by a piece of equipment of equal or smaller size, as defined in Rule 260.671, having the same function as the existing facility, the new facility is exempt from the provisions of Rule 260.672, 260.674 and 260.675 except as provided for in Subsection (d)(3) of this section.
  2. An owner or operator seeking to comply with this section shall comply with the reporting requirements of Rule 260.676, Sections (a) and (b).
  3. An owner or operator replacing all existing facilities in a production line with new facilities does not qualify for the exemption described in Subsection (d)(1) of this section and must comply with the provisions of Rules 260.672, 260.674 and 260.675.
  4. An affected facility under Section (a) of this rule that commences construction, reconstruction, or modification after August 31, 1983 is subject to the requirements of this rule.