| Table 5.1-14. De minimis thresholds in nonattainment areas | |||
| Criteria Pollutant | Degree of Nonattainment | Tons/Year | |
| Ozone (VOCs and NO2) | Serious | 50 | |
| Severe | 25 | ||
| Extreme | 10 | ||
| Other ozone nonattainment areas (outside of ozone transport region) | 100 | ||
| Volatile Organic Compounds (VOCs) | Marginal/moderate nonattainment (within ozone transport region) | 50 | |
| NO2 | Marginal/moderate nonattainment (within ozone transport region) | 100 | |
| Carbon monoxide (CO) | All | 100 | |
| Particulate matter (PM10) | Moderate | 100 | |
| Serious | 70 | ||
| Sulfur/nitrogen dioxide (SO2/NO2) | All | 100 | |
| Lead (Pb) | All | 25 | |
