GENERAL53851

• Permit No: C1981071
• IBM Index Class Name: General Documents
• Doc Date: 12/6/1988
• Doc Name: TOPSOIL OVERBURDEN ANALYSES ECKMAN PARK PN C-81-071
• From: MLRD
• To: COLO YAMPA COAL CO
• Permit Index Doc Type: SOILS
• Media Type: D
• Archive: No

r~
Table 3
Comparision of Average Values;
Topsoil and Overburden Analysis Results
~:
(Samples Collected 8/25/88)
Topsoil*
Saturation (%) ~O~
pH (units) G.57
Conductivity (mmhos/cm) 0.78
Calcium (meq/1) 6.4
Magnesium (meq/1) 2.8
Potassium (meq/1) 0.4
Sodium (meq/1) 0.8
SAR 0.4
Cation Exch. Cap.(meq/100gm) 13.8
Exchangeable Sodium (%) 1.6
Ammonia as N (mg/kg) 12.0
Boron (mg/k g) 0.20
Chloride (mg/kg) 8.0
Nitrate as N (mg/k g) 26.7
Nitrogen, Total (mg/kg) 1580.0
Organic Matter (%) 2.3
Phosphorus, total (mg/kg) 615.0
Phosphorus, extractable (mg/kg) 18.5
Carbonate, Total (**) 0.36
Nautralization Pot. (**) 0.6
Sulfur, Organic (%) 0.010
Sulfur, Pyritic (%) 0.01
Sulfur, Sulfate (%) -0.01
Sulfur, Total (%) 0.02
Acid-Base Potential (***) 6.0
Combustible Solids (%) 6.5
+2mm Material (%) 36.6
Sand (%) 32.7
Silt (%) 46.3
Clay (%) 21.0
Texture (mg/kg) CL, L, L
Arsenic (mg/kg) 0.38
Aluminum (mg/kg) 3.0
Barium (mg/k g) 2.0
Cadmium (mg/kg) -1 .0
Chromium (mg/k g) -1.0
Copper (mg/kg) 5.0
Iron (mg/kg) 275.0
Lead (mg/kg) 2.6
f4anganese (mg/kg) 45.0
Mercury (mg/k g) -0.01
Molybdenum (mg/kg) 0.10
Nickel (mg/kg) 2.0
Selenium (mg/kg) -0.01
Zinc (mg/kg) 3.0
(# of samples)
(3)
(3)
(3)
(3)
(1)
(3)
(3)
(1)
(1)
(1)
(1)
(3)
(3)
(1)
(2)
(1)
(1)
(1)
(3)
(3)
(3)
(3)
(3)
(1)
(1)
(1)
(1 )
(1)
(1)
(1)
(1)
(1)
(1 )
(I)
(1)
(1)
Ove rbu rden*
7.3
1.73
14.6
11.7
0.55
0.6
0.2
9.4
2.5
7.5
0.15
2.5
2.1
1075.0
3.8
645.5
3.0
4.4
5.15
0.085
0.14
0.06
0.26
43.5
e.l
43.3
27.0
53.3
19.7
SiL, SiL, SiL
0.13
-1.0
1.0
-1 .0
-1 .0
4.5
41.5
1.5
6.0
-0.01
-0.05
1.0
0.025
5.5
* Average Value
** A as CaC03
(il of samples)
(3)
(3)
(3)
(3)
(2)
(3)
(3)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(3)
(2)
(1)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(3)
(3)
(3)
(3)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
*** Tons CaC03/1000 tons
0936E/scg