| Pollutant Descriptions |
| Pollutant Code |
Description |
| CH4 |
Methane |
| CO |
Carbon Monoxide |
| EC |
Elemental Carbons |
| NH3 |
Ammonia |
| NOX |
Nitrogen Oxides |
| OC |
Primary Organic Carbon |
| PM-FIL |
Primary Particulate Matter, filterable portion only |
| PM-PRI |
Primary Particulate Matter (includes filterables + condensibles) |
| PM10-PRI |
Primary Particulate Matter less than or equal to 10 micrometers (includes filterables + condensibles) |
| PM25-PRI |
Primary Particulate Matter less than or equal to 2.5 micrometers (includes filterables + condensibles) |
| PM10-FIL |
Primary Particulate Matter less than or equal to 10 micrometers, filterable portion only |
| PM25-FIL |
Primary Particulate Matter less than or equal to 2.5 micrometers, filterable portion only |
| PM-CON |
Primary Particulate Matter, condensible portion only (all less than 1 micron) |
| SO2 |
Sulfur Dioxide |
| VOC |
Voloatile Organic Compounds |