Coal Supply Region

States

Coal Rank and Sulfur Level

Mine Type

1998 Production (Million Short Tons)

Heat Content  (Million Btu per Short Ton)

Sulfur Content (Pounds per Million Btu)

Hg Content (Pounds per Trillion Btu)

CO₂ Emissions (Pounds per Million Btu)

Northern Appalachia

PA, OH, MD, WV (North)

Metallurgical

Underground

    6.2

26.80

0.67

   NA

205.4

Low-Sulfur Bituminous

All

    2.7

24.71

0.56

11.62

203.6

Mid-Sulfur Bituminous

All

  80.5

25.54

1.26

11.16

205.4

High-Sulfur Bituminous

All

  68.3

24.28

2.69

11.67

203.6

Waste Coal (Gob and Culm)

Surface

    8.6

12.43

1.74

63.90

203.6

Central Appalachia

KY (East), WV (South), VA

Metallurgical

Underground

  62.2

26.80

0.61

   NA

203.8

Low-Sulfur Bituminous

All

  63.9

25.17

0.54

  5.61

203.8

Mid-Sulfur Bituminous

All

150.9

24.84

0.85

  7.58

203.8

Southern Appalachia

AL, MS, TN

Metallurgical

Underground

    5.7

26.80

0.49

   NA

203.3

Low-Sulfur Bituminous

All

    8.1

25.11

0.53

  3.87

203.3

Mid-Sulfur Bituminous

All

  11.9

24.58

1.19

10.15

203.3

East Interior

IL, IN, KY (West)

Mid-Sulfur Bituminous

All

  34.4

22.73

1.16

  5.60

201.4

High-Sulfur Bituminous

All

  75.8

22.45

2.75

  6.35

201.4

West Interior

IA, MO, KS, AR, OK, TX (Bit)

High-Sulfur Bituminous

Surface

    2.7

24.52

2.64

21.55

202.4

Gulf Lignite

TX (Lig), LA

Mid-Sulfur Lignite

Surface

  27.5

12.83

1.14

14.11

211.4

High-Sulfur Lignite

Surface

  28.0

12.93

2.08

15.28

211.4

Dakota Lignite

ND, MT (Lig)

Mid-Sulfur Lignite

Surface

  30.2

13.30

1.14

  8.38

216.6

Powder River, Green River, and Hannah Basins

WY, MT (Sub)

Low-Sulfur Subbituminous

Surface

314.9

17.39

0.37

  5.68

210.7

Mid-Sulfur Subbituminous

Surface

  40.3

17.67

0.77

  5.82

210.7

Low-Sulfur Bituminous

Underground

    1.7

21.54

0.58

  2.08

204.4

Rocky Mountain

CO, UT

Low-Sulfur Bituminous

Underground

  45.8

23.07

0.42

  3.82

203.0

Low-Sulfur Subbituminous

Surface

    9.9

20.55

0.38

  2.04

210.6

Southwest

AZ, NM

Low-Sulfur Bituminous

Surface

  19.5

21.24

0.47

  4.66

205.4

Mid-Sulfur Subbituminous

Surface

  20.4

18.26

0.87

  7.18

206.7

Northwest

WA, AK

Mid-Sulfur Subbituminous

Surface

    6.0

15.70

0.83

  6.99

207.9

NA = not available.

Sources: Energy Information Administration, Form EIA-3, “Quarterly Coal Consumption Report—Manufacturing Plants”; Form EIA-3A, “Annual Coal Quality Report—Manufacturing Plants”; Form EIA-5, “Coke Plant Report Quarterly”; Form EIA-5A, “Annual Coal Quality Report—Coke Plants”; Form EIA-860B, “Annual Electric Generator Report—Nonutility”; Form EIA-6A, “Coal Distribution Report—Annual”; and Form EIA-7A, “Coal Production Report.” Federal Energy Regulatory Commission, Form 423, “Monthly Report of Cost and Quality of Fuels for Electric Plants.” U.S. Department of Commerce, Bureau of the Census, “Monthly Report EM-545.” U.S. Environmental Protection Agency, Emission Standards Division, Information Collection Request for Electric Utility Steam Generating Unit, Mercury Emissions Information Collection Effort (Research Triangle Park, NC, 1999). B.D. Hong and E.R. Slatick, “Carbon Dioxide Emission Factors for Coal,” in Energy Information Administration, Quarterly Coal Report, January-March 1994, DOE/EIA-0121 (94/Q1) (Washington, DC, August 1995).