PLACER COUNTY AIR POLLUTION CONTROL DISTRICT

RULE 211 - PROCESS WEIGHT
(Adopted 05-24-77; Revised 06-19-79, 04-21-81, 05-20-85, 10-19-93)

A person shall not discharge into the atmosphere in any one hour from any source whatsoever solid particulate matter in excess of the amount shown in the following table:
 

ALLOWABLE RATE OF EMISSION BASED ON PROCESS WEIGHT RATE

Process Weight Rate lbs/hr

Emission Rate lbs/hr

50 

100 
500 
1,000 
5,000 
10,000 
20,000 
60,000 
80,000 
120,000 
160,000 
200,000 
400,000 
1,000,000

0.4 

0.6 
1.5 
2.3 
6.3 
9.7 
15.0 
29.6 
31.2 
33.3 
34.9 
36.2 
40.4 
46.8
 

Interpolation of the data from the process weight rate up to 60,000 lb/hr shall be accomplished by the use of equation:
 

 
and interpolation or extrapolation of the data for process weight rates in excess of 60,000 lbs/hr shall be accomplished by use of the equation:

 

  1. The provisions of this Rule shall not apply to the following source categories located in the Sacramento Valley and Mountain Counties Air Basin portions of the District:
    1. Combustion equipment which derives at least 80% of its fuel input heat content from wood or wood associated waste.
    2. Incinerators.
    3. Processing equipment used in conjunction with combustion sources to dry, calcine, pyrolyze, sinter or otherwise thermally condition any process material.
    4. Sewage sludge incinerators, except that no person shall discharge from any sewage sludge incinerator particulate matter at a rate in excess of 1.30 lb/ton of dry sludge input. Performance tests used to determine compliance with this section shall comply with the provisions of CFR 40 Part 60, Appendix A, only.