Comparing Waters Receiving Acid Mine Drainage, |
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Acid mine drainage | Acid deposition | Peat drainage | |
Acid source | oxidation of pyrite | atmospheric sulfurous and nitrous oxides |
polyuronic acids in cell walls of mosses |
Forms of acid | H2SO4 | H2SO4 and HNO3 | COOH groups from polysaccharides |
pH range | 1.5 - 3.0 | 4.0 - 5.7 | 3.2 - 6.0 |
Acidity (ppm) |
110 - 64,000 | 2.0 - 4.2 | 0.5 - 0.8 |
Conductivity (µmhos) | 600 - 30,000 | <50 | <100 |
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