PERMFILE118392

• Permit No: C1981010
• IBM Index Class Name: Permit File
• Doc Date: 4/13/1998
• Doc Name: Regraded Spoil Laboratory Results
• Section_Exhibit Name: Appendix W 1997 Report Section 4.0
• Media Type: D
• Archive: No

• Table 4-3. Topsoil and spoil material analysis comparisons, for plant growth
suitability at Trapper Mine (198li-1989), vs 1997 Ashmore pk spoils.
•
Topsoil Spoil 1997 Ashmore
Weighed (1) Weighed (2) pit (3)
Parameter (4)
pH (standard units) 7.24 7.38 7.5
Etedrical Condudivfty (mmhos/cm) 0.84 1.98 2.9
Calcium Carbonate (°~) 0.94 5.67 10.1
Organic Matter (%) 3.80 4.08 2.0
Nitrate 21.79 7.37 13.9
Phosphorus 14.38 1.47 1.3
Potassium 268.71 102.80 50.8
Zinc 1.97 8.56 3.4
Iron 38.89 32.02 42.7
Manganese (Mn) 15.79 11.85 7.3
Copper 2.88 4.80 2.3
Selenium 0.017 0.09 0.02
Calcium (megll in sat ext.) 6.09 13.86 22.7
Magnesium (meg/1 in sat ext.) 2.21 11.85 18.3
Sodium (meg/I in sat ext.) 0.48 2.08 2.0
S.A.R.(--) 0.25 0.65 0.4
% Saturation 42.84 42.48 44.2
Texture Clayey loam Clayey loam Sift loam
% Sand 33.55 33.38 40.7
% Sift 34.84 30.71 58.3
% Clay 31.79 35.94 3.2
Mercury (mg/kg) 0.05 0.08 0.04
Fluorine 0.14 0.40 2.8. <::'.. _:
% Total Sulfur 0.03 0.11 0.08
Acid-Base Potential (-) +10.9 +52.43 +g9.7
K (meg/I in sat ext.) 0.82 0.50 0.7
(1) A, B, C, D and E pit topsoil 19851989.
(2) B, C, D and E pit overburden 19851989.
(3) A pit spoils sampled in 1997.
(4) ppm unless otherwise denoted.
BDN 7N8
(DMGl97REPT4]
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