| 2008 | 2007 | 2007 | 2006 | 2005 | 2004 | 2003 | |
| Target | Actual | Target | |||||
| Main Stack SO2 | |||||||
| Hours greater than 16.4 tonnes per hour | 0 | 3 | 0 | 1 | 2 | 2 | 3 |
| Daily average greater than 292 tonnes per day (# of occurrences) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Main Stack Opacity (# of hours › 40%) | ‹5 | 27 | ‹5 | 19 | 0 | 11 | 6 |
| Main Stack NOx Emissions | |||||||
| # of hours › 1.5 tonnes per hour | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ambient Air Exceedences | |||||||
| H2S hourly (#) | 0 | 17 | 0 | 20 | 38 | 20 | 5 |
| H2S 24-hour period (#) | 0 | 4 | 0 | 3 | 8 | 3 | 5 |
| SO2 hourly (#) | 0 | 2 | 0 | 0 | 1 | 2 | 2 |
| SO2 24-hour period (#) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Odour Complaints Received (#) | 0 | 7 | 0 | 0 | 1 | 1 | 0 |
| Environmental Fines (#) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Environmental Administrative Penalties (#) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total Penalties by Year ($ thousands) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cumulative Total Penalties since 1978 ($ thousands) | – | 37 | 37 | 37 | 37 | 37 | 37 |
| Alberta Environment conducts regular onsite audits of our stack sampling procedures to ensure compliance with requirements to maintain high quality data within tightly specified tolerances. Information relating to offsite air quality is measured, collected, and validated by an independent third party, the Wood Buffalo Environmental Association. | |||||||