Pollutant Emissions Reductions (tons) Benefit per ton (Pope, 3% ) Benefit per ton (Laden,

3% ) Benefit per ton (Pope, 7% ) Benefit per ton (Laden,

7% ) Direct PM 2.5 28,155 $72,000 $180,000 $65,000 $160,000 $2,000 to $5,000 $1,800 to $4,500 SO 2 442,415 $46,000 $110,000 $42,000 $100,000 $20,000 to $50,000 $18,000 to $45,000 Total $22,000 to $55,000 $20,000 to $49,000 Direct PM 2.5 27,424 $72,000 $180,000 $65,000 $160,000 $2,000 to $4,900 $1,800 to $4,400 SO 2 340,778 $46,000 $110,000 $42,000 $100,000 $16,000 to $38,000 $14,000 to $35,000 Total $18,000 to $43,000 $16,000 to $39,000

Pollutant Emissions Reductions (tons) Benefit per ton (Pope, 3% ) Benefit per ton (Laden,

3% ) Benefit per ton (Pope, 7% ) Benefit per ton (Laden,

7% ) Direct PM 2.5 Major 29,336 $230,000 $560,000 $210,000 $500,000 $6,700 to $16,000 $6,100 to $15,000 PM 2.5 Precursors

SO2 Ma j o r 347,114 $29,000 $72,000 $27,000 $65,000 $10,000 to $25,000 $9,300 to $23,000 VOC 6,679 $1,200 $3,000 $1,100 $2,700 $8.1 to $20.0 $7.4 to $18.0 Total $17,000 to $41,000 $15,000 to $37,000 Direct PM 2.5 Major 29,020 $230,000 $560,000 $210,000 $500,000 $6,600 to $16,000 $6,000 to $15,000 PM 2.5 Precursors

SO2 Ma j o r 339,996 $29,000 $72,000 $27,000 $65,000 $10,000 to $25,000 $9,100 to $22,000 VOC 1,786 $1,200 $3,000 $1,100 $2,700 $2.2 to $5.3 $2.0 to $4.8Option 1E and1NPrimaryOptions Summary of Monetized Benefits for Proposed Boiler MACT for Major Sources in 2013 (2008$)*

Total Monetized Benefits (millions

2008$ at 3%) Total Monetized Benefits (millions

2008$ at 7%) Summary of Monetized PM Benefits Estimates for Final Boiler MACT in 2014 (millions of 2008$)

Total Monetized Benefits (millions

2008$ at 3%) Total Monetized Benefits (millions

2008$ at 7%)SelectedAlternate

Total $17,000 to $41,000 $15,000 to $37,000

Pollutant Emissions Reductions (tons) Benefit per ton (Pope, 3% ) Benefit per ton (Laden,

3% ) Benefit per ton (Pope, 7% ) Benefit per ton (Laden,

7% ) Direct PM 2.5 590 $120,000 $290,000 $110,000 $260,000 $69 to $170 $63 to $150 SO 2 3,197 $41,000 $100,000 $37,000 $91,000 $130 to $320 $120 to $290 Total $200 to $490 $180 to $440 Direct PM 2.5 678 $120,000 $290,000 $110,000 $260,000 $79 to $190 $72 to $180 SO 2 3,197 $41,000 $100,000 $37,000 $91,000 $130 to $320 $120 to $290 Total $210 to $520 $190 to $470

Pollutant Emissions Reductions (tons) Benefit per ton (Pope, 3% ) Benefit per ton (Laden,

3% ) Benefit per ton (Pope, 7% ) Benefit per ton (Laden,

7% ) Direct PM 2.5 Area 22,920 $360,000 $880,000 $330,000 $790,000 $8,200 to $20,000 $7,500 to $18,000 PM 2.5 Precursors

SO2 Area 1,745 $20,000 $49,000 $18,000 $44,000 $35 to $86 $32 to $77 VOC 2,119 $1,200 $3,000 $1,100 $2,700 $2.6 to $6.3 $2.3 to $5.7 Total $8,300 to $20,000 $7,500 to $18,000 Direct PM 2.5 Area 2,682 $360,000 $880,000 $330,000 $790,000 $960 to $2,400 $880 to $2,100 PM 2.5 Precursors

SO2 Area 1,539 $20,000 $49,000 $18,000 $44,000 $31 to $76 $28 to $68 VOC 1,179 $1,200 $3,000 $1,100 $2,700 $1.4 to $3.5 $1.3 to $3.2 Total $1,000 to $2,400 $910 to $2,200PrimaryOptions Summary of Monetized Benefits for Proposed Boiler Area Source Ru le in 2013 (2008$)*

Total Monetized Benefits (millions

2008$ at 3%) Total Monetized Benefits (millions

2008$ at 7%)Option 1E and1N Total Monetized Benefits (millions

2008$ at 3%) Total Monetized Benefits (millions

2008$ at 7%)ProposalApproachFinalApproach Summary of Monetized PM Benefits Estimates for Fina l Boiler Area Source Rule in 2014 (millions of 2008$)