National Anthracite
- Fixed carbon – 75.0% – 78.0%
- Volatile matter – 7.0% – 9.0%
- Ash – 15.0% – 20.0%
- Sulfur – 0.6% – 0.8%
- Humidity – 1.9% – 2.8%
- Fixed carbon – 94.0% – 96.0%
- Volatile matter – 4.0% – 6.0%
- Ash – 0.7% – 1.2%
- Sulfur – 0.5% – 1.0%
- Humidity – 1.0% – 2-0%
