PSC Case No. 9148PSC Case No. 9148MorgantownMorgantown

Coal Coal Blending/Gypsum Blending/Gypsum

LoadoutLoadoutMirant Mid-Atlantic, LLCMirant Mid-Atlantic, LLC

MorgantownMorgantown

Coal Blending SystemCoal Blending System Will enable the use of different types of Will enable the use of different types of

coal to match specifications of the boilers coal to match specifications of the boilers and air quality control equipmentand air quality control equipment

Gypsum Loadout FacilityGypsum Loadout Facility Use of the barge at Morgantown for Use of the barge at Morgantown for

gypsum generated at Morgantown and gypsum generated at Morgantown and Chalk PointChalk Point

Will allow for barge transportation to Will allow for barge transportation to expand the potential for beneficial useexpand the potential for beneficial use

MorgantownMorgantown

Air Emissions (still under review)Air Emissions (still under review) Gypsum Loadout FacilityGypsum Loadout Facility

Slight increase in air emissions (PM, PMSlight increase in air emissions (PM, PM1010, , PMPM2.52.5))

Coal Blending FacilityCoal Blending Facility Reduction in air emissions (proposed facility Reduction in air emissions (proposed facility

is below grade)is below grade) Net Effect: Slight Increase in PM & Net Effect: Slight Increase in PM &

PMPM1010

MorgantownMorgantown

Other Potential Impacts?Other Potential Impacts? Additional Barge TrafficAdditional Barge Traffic Stormwater ManagementStormwater Management

May have to rework the SWM systemMay have to rework the SWM system NoiseNoise

New sources of noiseNew sources of noise