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254 Advances in Productive, Safe, and Responsible Coal Mining

neutralization (NNP) ¼47) ¼1) (n ¼1) (n ¼1)

[2] Net potential (n 84.5 120.37 63.91 (n 52.86

samples

limestone waste of 1000tons Neutralization (NP) potential ¼47) (n ¼1) (n ¼1) (n ¼1) (n

ground per 23.8 1.51 2.65 58.17

and CaCO 3 Tons (PA) ¼47) (n ¼1) (n ¼1) (n ¼1) (n

FCPW, Potential acidity 106.4 121.88 66.53 5.31

CCPW, Median pH ¼47) (n ¼1) (n ¼1) (n ¼1) (n

for paste 7.12 5.92 6.31 8.35

properties content sulfur (%) Pyritic 3.41 ¼47) (n 3.90 ¼1) (n 2.13 ¼1) (n 0.17 ¼1) (n

Geochemical Mean Total 5.70 ¼2) (n a 4.84 ¼2) (n 2.56 ¼2) (n NT b

13.3 waste permit samples. of tested.

Table Coal fraction Mine (coarse) CCPW FCPW Limestone a n, number b NT, not