| MWC UNIT # |
POLLUTANT OR PARAMETER |
START DATE |
TIME OF EXCESS EMISSIONS |
MONITORED LEVEL |
APPLICABLE LIMIT |
SPECIFIC REASON FOR EXCESS |
CORRECTIVE ACTIONS TAKEN |
| 2 |
SO2 |
1/25/2007 |
0000 |
2359 |
35 |
29 |
STARTUP - Unable to inject sufficient slurry to control SO2 due to low SDA inlet temperatures following annual maintenance activities, average based on 10 hours of operation. The event was impacted by the first two hours of start-up. |
Increased unit load and slurry feed according to the manufacturer's startup curve for safe operation. |
| 2 |
CO |
4/24/2007 |
0000 |
0359 |
74 |
69 |
MALFUNCTION - Turbine Generator tripped as a result of outside utility malfunction. |
Combustion controller in manual and utilized gas to minimize emission until permission received to tie in again. |
| 1 |
CO |
5/4/2007 |
2000 |
2359 |
126 |
69 |
SHUTDOWN - removed MSW ASAP from grates--average based on 1 hour of operations. |
Gas burned during shutdown to minimize emissions. |
| 1 |
SO2 |
5/7/2007 |
0000 |
2359 |
41 |
29 |
MALFUNCTION - loss of facility air supplying compressors during restart of plant after scheduled outage--average based on 4 hours of operations. |
Restarted air supply system throughout plant along with unit load and slurry feed. |
| 1 |
CO |
5/8/2007 |
1200 |
1559 |
299 |
69 |
SHUTDOWN - removed MSW ASAP from grates--average based on 1 hour of operations. |
Gas burned during shutdown to minimize emissions. |
| 1 |
CO |
5/21/2007 |
2000 |
2359 |
123 |
69 |
SHUTDOWN - removed MSW ASAP from grates--average based on 1 hour of operations. |
Gas burned during shutdown to minimize emissions. |
| 2 |
CO |
6/17/2007 |
2000 |
2359 |
218 |
69 |
MALFUNCTION - loss of vacuum on turbine generator due to steam and air valves not opening resulted in trip from the utility--average based on 4 hours of operations. |
Gas burned during shutdown to minimize emissions. |
