SDAPCD RULE X-I STDS.OF PERF.FOR ASPHALT CONCRETE PLANTS          
LAST REVISED 11/08/76

          
          SUBPART I  -  Standards of Performance for Asphalt Concrete
                        Plants  (Delegation Effective 11-8-76)


                RULE 260.90.     APPLICABILITY AND DESIGNATION OF AFFECTED
                                 FACILITY   (Rev. Effective: 1-13-87)

                The affected facility to which the provisions of this subpart
           apply is each hot mix asphalt facility which commenced 
           construction, reconstruction, or modification after June 11, 1973.  
           For the purpose of this subpart, a hot mix asphalt facility is 
           comprised only of any combination of the following: dryers; systems 
           for screening, handling, storing, and weighing hot aggregate; 
           systems for loading, transfering, and storing mineral filler; 
           systems for mixing hot asphalt concrete; and the loading, transfer, 
           and storage systems associated with emission control systems.


                RULE 260.91.     DEFINITIONS

                As used in this subpart, all terms not defined herein shall 
           have the meaning given them in Subpart A of this regulation.

                (a)   "Hot Mix Asphalt Facility" means any facility, as 
           described in Rule 260.90, used to manufacture hot mix asphalt by 
           heating and drying aggregate and mixing with asphalt cements.


                RULE 260.92.     STANDARD FOR PARTICULATE MATTER

                (a)   On and after the date on which the performance test 
           required to be conducted by Rule 260.8 is completed, no owner or 
           operator subject to the provisions of this subpart shall discharge 
           into the atmosphere from any affected facility any gases which:

                      (1)  Contain particulate matter in excess of 90 mg/dscm
                (0.04 gr/dscf).

                      (2)  Exhibit 20 percent opacity, or greater.


                RULE 260.93.     TEST METHODS AND PROCEDURES

                Performance tests shall be conducted as specified in Part 60,
           Chapter I, Title 40, Code of Federal Regulations, Section 60.93.