| Reporting Hourly Data | Compliance Method (# of Units) | Monitoring Method | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of reporting units | Number of reporting facilities | Electrical Output | Heat Input | Sorbent Trap | CEMS | CEMS and Sorbent Trap | ||||
| Mercury | Reporting Hourly Data | 428 | 197 | Compliance Method (# of Units) | 123 | 307 | Monitoring Method | 186 | 198 | 46 |