A. Fixed asphalt concrete plants and portable asphalt concrete plants shall meet the standards set forth in this section.
B. No person shall cause, allow or permit the discharge of particulate matter into the atmosphere in any one hour from any existing asphalt concrete plant in total quantities in excess of the amounts calculated by one of the following equations:
1. For process sources having a process weight rate of sixty thousand pounds per hour (thirty tons per hour) or less, the maximum allowable emissions shall be determined by the following equation:
E = 3.59P 0.62
where:
E = The maximum allowable particulate emission rate in pounds-mass per hour, and
P = The process weight rate in tons-mass per hour.
2. For process sources having a process weight rate greater than sixty thousand pounds per hour (thirty tons per hour), the maximum allowable emissions shall be determined by the following equation:
E = 17.31P 0.16
where "E" and "P" are defined as indicated in subdivision 1 of this subsection.
C. The actual values shall be calculated from the applicable equations and rounded off to two decimal places.
D. For purposes of this section, the total process weight from all similar units employing a similar type process shall be used in determining the maximum allowable emission of particulate matter.
E. Liquid fuel containing greater than 0.9 percent sulfur by weight shall not be utilized for asphalt concrete plants subject to this section.
F. Solid fuel containing greater than 0.5 percent sulfur by weight shall not be utilized for asphalt concrete plants subject to this section.
G. The test methods and procedures required under this section are:
1. The reference methods given in 40 CFR 60, Appendix A shall be used to determine compliance with the standards prescribed in subsection B.
a. Method 4 and 5 for the concentration of particulate matter and the associated moisture content.
b. Method 1 for sample and velocity traverses.
c. Method 2 for velocity and volumetric flow rate.
d. Method 3 for gas analysis.
2. For Method 5, the sampling time for each run shall be at least sixty minutes and the sampling rate shall be at least 0.9 dscm/hr (0.53 dscf/min), except that shorter sampling times, when necessitated by process variables or other factors, may be approved by the control officer.
3. Percent sulfur in liquid fuel shall be determined by ASTM method D-129-91 (Test Method for Sulfur in Petroleum Products) (General Bomb Method), and the percent sulfur in solid fuel shall be determined by ASTM method D-3177-89 (Test Method for Total Sulfur in the Analysis Sample of Coal and Coke).
(Ord. 1993-128 § 4 (part), 1993)