PERMFILE112522

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: TAB 6 GEOLOGY AND OVERBURDEN ASSESSMENT
• Media Type: D
• Archive: Yes

• •
TABLE 6-6
Statistical Summary of the Physiochemical Characteristics
of the Overburden, Seneca IIW Mine

Core Holes Arithmetic Minimum Maximum Stan No. of
Samples Parameter' Average (Hole No.l (Hole No.l dard Holes
Devi
atio
1127-E pH, Paste 6.0 5.1 1569-CI 7.8 (300-CI 5.6 15
1128-E Saturation Percent, % 48.7 42.5 (555-CI 61.8 143-CI 4.9 15
1229-E Conductivity, mmho/cm 2.0 0.8 (1127-EI 3.8143-C1 0.9 15
1130-E pH, Paste Extract' 6.1 5.5 (1129-EI 7.7 11127-E, 1130-EI 5.8 4
30-C Sodium, meq/1 3.5 0.9 11127-EI 7.2 143-CI 1.6 15
42-C Calcium, meq/1 10.1 2.4 1300-CI 19.4 143-CI 5.0 15
43-C Magnesium, meq/1 13.8 3.8 (300-CI 35.7 (1128-EI 8.9 15
99-C Sulfate, meq/1 35 8 11127-EI 56 11128-EI 20 4
125-C Nitrate-Nitrogen, ppm 31.2 9.4 (1129-EI 73.2 (1128-EI 29.2 4
300-C Fluoride, pPm 2.1 1.7 (1130-EI 3.011127-EI 0.6 4
311-C Boron, ppm 0.9 0.3 11127-EI 2.01508-CI 0.5 14
508-C Sodium Adsorption Ratio 1.2 0.6 11127-EI 3.0 (300-CI 0.5 15
555-C Pyritic Sulfur, % 0.21 0.11 11127-EI 0.31 11128-EI 0.10 4
569-C Sulfate Sulfur, % 0.10 0.02 (1127-EI 0.19 (1126-EI 0.07 4
609-C Organic Sulfur, % 0.03 0.02 (1128-EI 0.03 (1127-E, 1129-E, 0.01 4
1 130-E
Total Sulfur, % 0.23 0.05 1300-CI 0.52 11128-EI 0.13 15
Acid-Base Potential,TCaCO~/1000T 58.69 29.74143-CI 96.32 (1127-EI 16.6 15
6
Total Combustible Solids, % 13.4 11.5 (1129-EI 17.9 (1127-EI 3.0 4
Very Fine Sand, % 15 9 143-C, 300-CI 40 (1127-EI 4 11
Sand, % 26 13143-CI 39 (1127-EI 6 15
Silt, % 45 34 11128-EI 55 1125-C, 300-CI 7 15
Clay, % 29 20 1555-CI 51 143-CI 9 15
Arsenic, ppm 0.15 0.12 (1127-EI 0.18 (1130-EI 0.03 4
Selenium, ppm 0.03 0.02 (1127E, 1130E1 0.04 (1127-EI 0.01 4
Mercury, ppb 21.07 17.55 (1127-EI 25.6411128-EI 3.36 4
Molybdenum, ppm 0.5 0.3 (1128-E, 1130-EI 0.6 143-CI 0.1 13
Aluminum, ppm 1.2 0.5 (1127-EI 2.6 (1129-EI 1.0 4
Cadmium, ppm 0.09 0.04 (1128-E, 1130-EI 0.21 (1127-EI 0.08 4
Iran, ppm 123.3 102.3 11128-EI 141.8 (1129-EI 16.4 4
Manganese, ppm 27.9 14.3 (1130-CI 59.2 (1127-EI 21.1 6
Lead, ppm 3.3 1.7 11129-E. 1130-EI 7.6 (1127-EI 2.9 4
Zinc, ppm 9.4 4.7 (1128-EI 12.4 (1127-EI 3.4 4
' The following abbreviations are used: % = percent; mmho/cm = millimhos per centimeter; megll = milliequivalents per liter; ppm =parts per
million; TCaCOt/1000T =tons calcium carbonate equivalent per 1000 tons of overburden material; ppb =parts per billion.
' Weighted average pH is determined Irom hydrogen ion activities prior [o negative logarithm conversion.
31 Revised 9/98