CALAVERAS COUNTY AIR POLLUTION CONTROL DISTRICT

RULE 413 - ATTAINMENT POLLUTANT INCREMENTS

The Air Pollution Control Officer shall deny an Authority to Construct for a proposed facility or modification which, pursuant to an analysis performed in accordance with the provisions of Rules 408 and 415, causes an ambient pollutant concentration to exceed the following increments of increase above the baseline concentration:
 

Pollutant: Monitoring Interval Maximum Allowable Increase 
(micrograms per cubic meter)
  Class I Class II Class III
Particulate Matter:       Annual Geometric Mean 5 19 37
24-hour Maximum 10 27 75
Sulfur Dioxide: Annual Arithmetic Mean 2 20 40
24-hour Maximum 5 91 182
3-hour Maximum 2 512 700
Ozone: 1-hour Maximum 20 40 80
Oxides of Nitrogen: Annual Average 10 20 40
Hydrocarbons (corrected for methane): 3-hr Maximum 20 4 80
Lead: Calendar Quarter Average 0.15 0.30 0.60
For any monitoring period other than an annual period, the applicable maximum allowable increase may be exceeded during one such monitoring period per year at any one location.