PERMFILE121492

• Permit No: C1981010
• IBM Index Class Name: Permit File
• Doc Date: 4/4/1997
• Doc Name: REGRADED SPOIL LABORATORY RESULTS
• Section_Exhibit Name: Appendix W 1996 Report Section 4.0
• Media Type: D
• Archive: No

Table 43. Topsoil and spoil material analysis comparisons, Tor plant growth
suitability at Trapper Mine (1986-1989), vs 1998 Ashmore pit spoils.
Topsoil Spoil 1998 Ashmore
Weighed x (1) Weighed x (2) pit x (3)
Parameter (4)
pH (standard units) 7.24 7.38 7.8
Electrical Conductivity (mmhos/cm) 0.84 1.98 1.9
Calcium Carbonate (%) 0.94 5.67 7.7
,.
Organic Matter (%) '..:. .
'..:..

.: 3.80 ' :

..:.. .:.... 4.08 ....

.... 2.9 ...
Nitrate 21.79 7.37 0.19
Phosphorus 14.38 1.47 1.2
Potassium 288.71 102.80 30.3
Zinc 1.97 8.58 5.0
.Iron .. .:...: ..: ......::::.. ....: ...- :. 38.89.;.::;` ,.:. ....`: 32.02::[.: i::.'.:.:.::.:.20.0::..:.:? ;
Manganese (Mn) 15.79 11.85 9.6
Copper 2.88 4.80 1.6
Selenium 0.017 0.09 0.03
Calcium (meg/I in sat ext.) 8.09 13.86 16.4
Magnesium. (rr!eg/l iri sat ext:).:.::.:: ::... .:::::...::.: 2.21 :.:.. ` .:::'....: ;.... 1.1,t15:. 10.6 `::..::;.::
Sodium (meg/I in sat ext.) 0.48 2.06 2.3
S.A.R. (--) 0.25 0.65 0.7
°.6 Saturation 42.64 42.48 85.9
• Texture
,.
SaniJ .:.,....:... :.. .... .:... Clayey loam

. ....: . :.33:55 ::•:.. Clayey loam

. ; : ::; ,:::33:38. ;..; Sandy loam

;.:.. :: .: 59...:.:.:..:
`' °h Silt 34.84 30.71 21.5
°~ Clay 31.79 35.94 19.5
Mercury (mg/kg) 0.05 0.08 0.02

Fluoride. .:.:..............:: .. ... . .... ..
..:.:::.. 0:14:::.
..::'.'..:::. .0:..4.0..;.:; . .
: ':::.:.::.::5.t3:.:..:.:.:.
Total Sulfur 0.03 0.11 0.02
Acid-Base Potential (-) +10.9 +52.43 +76.3
K (meg/I in sat ext.) 0.82 0.50 0.3
(1j A, B, C, D and E pit topsoil 1985-1989.
(2) B, C, D and E pit overburden 19851989.
(3) A pit spoils sampled in 1996.
(4) ppm unless otherwise denoted.
LW W b ?!97
[DMGl95REPT4t

Table 43