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Mayo Plant Releases
 
 
 
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  • Located in Semora, N.C.
  • Mayo has the single largest coal-fired unit on Progress Energy's system - capable of producing approximately 745 MW
  • Selective catalytic reduction technology (SCR) installed in 2003 to reduce emissions of nitrogen oxides
  • Scrubber planned for 2009, which will reduce sulfur dioxide emissions
  • Began operation in 1983
Chemical

Total Release (lbs) *

Ammonia

2,800

Arsenic Compounds

34,000

Barium Compounds

310,001

Benzo(g,h,i)perylene

0.10

Chromium Compounds

52,000

Cobalt Compounds

20,000

Copper Compounds

65,000

Dioxins (in grams)

0.97

Hydrochloric Acid (aerosols)

3,600,000

Hydrogen Fluoride

280,000

Lead Compounds

29,000

Manganese Compounds

71,000

Mercury Compounds

340

Nickel Compounds

45,000

Polycyclic Aromatic Compounds (PACs)

1.90

Sulfuric Acid (aerosols)

90,000

Vanadium Compounds

100,000

Zinc Compounds

69,010

* Total release quantities to air, land, and water are rounded to appropriate figures. TRI compounds reported on Form A or with no releases are not included in this summary.

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