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Semi-Annual Summary Report

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SEMI-ANNUAL REPORTING FOR CONTINUOUS MONITORING SYSTEMS AND STACK TESTING
MWC UNIT # POLLUTANT OR PARAMETER START DATE TIME OF EXCESS EMISSIONS MONITORED LEVEL APPLICABLE LIMIT SPECIFIC REASON FOR EXCESS CORRECTIVE ACTIONS TAKEN
2 CO 3/5/2008 2000 2359 71 69 SHUTDOWN - to perform boiler tube water wash. Boiler emissions were above the limit for only 1-hour during the 4-hour compliance block. This is an excused excess emission event since the actual event was 3-hours or less in duration. Used gas during shutdown to minimize emissions.
2 SO2 3/6/2008 2300 2359 40 29 STARTUP - following water wash. Abnormally high SO2 inlet concentration during beginning of combustion process on MSW. Boiler was operating and emissions were above the limit for only 1-hour during the 24-hour compliance block. This is an excused excess emission event since the actual event was 3-hours or less in duration. Ramp up SDA to full operation - monitor boiler exit/SDA hopper temperatures and adjust lime slurry feed rate accordingly.
2 CO 4/10/2008 1600 1659 90 69 SHUTDOWN due to external tube leak. Boiler was operating and emissions were above the limit for only 1-hour during the 4-hour compliance block. This is an excused excess emission event since the actual event was 3-hours or less in duration. Used gas during shutdown to minimize emissions.
2 CO 5/5/2008 0000 0059 189 69 SHUTDOWN due to economizer tube failure. Boiler was operating and emissions were above the limit for only 1-hour during the 4-hour compliance block. This is an excused excess emission event since the actual event was 3-hours or less in duration. Used gas during shutdown to minimize emissions.
2 CO 6/29/2008 2300 2359 70 69 STARTUP after scheduled maintenance activities. Boiler was operating and emissions were above the limit for only 1-hour during the 4-hour compliance block. This is an excused excess emission event since the actual event was 3-hours or less in duration. Used gas during startup to minimize emissions.