Description Nixon PRB PRB January PRB February PRB March PRB April PRB May PRB June PRB July PRB August PRB September PRB October PRB November PRB December

Sample Date 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009

Station NIXON NIXON NIXON NIXON NIXON NIXON NIXON NIXON NIXON NIXON NIXON NIXON

Proximate Analysis (As Received)

H2O Moisture % 28.84 27.79 26.81 28.26 26.43 29.76 29.94 29.4 26.78 29.41 27.65 29.84

Ash % 4.74 4.92 4.61 4.61 5.3 5.22 4.59 5.39 4.88 5.61 6.17 4.4

Volatile % 33.89 34.99 33.04 31.96 32.59 29.79 30.52 30.71 32.71 31.39 32.97 33.83

C Fixed C % 32.53 32.3 35.54 35.17 35.68 25.23 34.95 34.5 35.63 33.59 33.21 31.93

Total % 100 100 100 100 100 90 100 100 100 100 100 100

S Sulfur 0.181 0.258 0.198 0.179 0.198 0.177 0.199 0.199 0.22 0.211 0.237 0.172

Pounds SO2 / MMBtu 0.43 0.6 0.45 0.42 0.45 0.42 0.48 0.48 0.51 0.5 0.55 0.4

Pounds Ash / MMBtu 5.57 5.74 5.22 5.4 6.04 6.27 5.5 6.42 5.59 6.66 7.18 5.14

Ash to Sulfur Ratio 26.19 19.07 23.28 25.75 26.77 29.49 23.07 27.09 22.18 26.59 26.03 25.58

Ultimate Analysis (As Received)

H2O Moisture 28.84 27.79 26.81 28.26 26.43 29.76 29.94 29.4 26.78 29.41 27.65 29.84

C Carbon 50 51.06 52.79 51.09 55.08 50.85 48.95 50.55 50.88 50.89 51.26 50.45

H2 Hydrogen 3.41 3.52 3.41 3.35 3.25 3.27 2.77 3.22 2.94 3.24 2.72 3.29

N2 Nitrogen 0.69 0.7 1.06 0.71 0.63 0.62 0.52 0.61 0.58 0.74 0.74 0.73

S Sulfur 0.18 0.26 0.2 0.18 0.2 0.18 0.2 0.2 0.22 0.21 0.24 0.17

Ash 4.74 4.92 4.61 4.61 5.3 5.22 4.59 5.39 4.88 5.61 6.17 4.4

O2 Oxygen 12.14 11.75 11.12 11.8 9.11 10.1 13.03 10.63 13.72 9.9 11.22 11.12

Cl Chlorine

Total 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

Higher Heating Value Btu/lb 8,964 8,571 8,831 8,539 8,780 8,324 8,345 8,388 8,718 8,416 8,589 8,560

Moisture & Ash Free (MAF) Btu/lb 12,806 12,737 12,876 12,719 12,862 8,821 8,780 8,907 9,203 12,951 13,084 13,018

Hardgrove Grindability Index 53 46 47 47

Moisture Level @ Hardness 2.50% 11.85% 17.68% 14.23%

Mineral Analysis of Ash

SiO2 Silicon dioxide % 35.84 35.35 32.09 36.60 32.88 35.38 35.66 30.87 35.32 36.37 39.55 32.98

Al2O3 Aluminum oxide % 17.40 17.47 17.49 19.19 16.19 19.70 17.77 15.44 16.52 17.40 17.61 17.35

TiO2 Titanium dioxide % 1.30 1.29 1.18 4.30 1.28 1.29 1.34 1.15 1.27 1.30 1.21 1.29

Fe2O3 Iron oxide % 5.86 5.72 6.09 5.58 5.75 5.29 5.92 4.96 5.96 5.94 5.24 5.76

CaO Calcium oxide % 21.00 22.70 20.70 19.70 22.80 17.10 19.40 17.85 21.60 20.20 18.10 22.10

MgO Magnesium oxide % 5.17 5.26 5.41 5.19 5.42 5.07 5.26 4.64 5.39 5.17 4.66 5.73

K2O Potassium oxide % 0.59 0.70 0.57 0.55 0.77 0.44 0.55 0.43 0.92 0.50 0.72 0.45

Na2O Sodium oxide % 1.51 1.69 1.50 1.51 1.58 1.44 1.67 1.35 1.67 1.70 1.30 1.60

SO3 Sulfur Trioxide % 5.31 4.96 7.86 8.24 8.61 11.10 8.92 9.22 9.98 9.24 8.82

P2O5 Phosphorus Pentoxide % 1.27 1.43 1.47 1.47 1.18 1.21 1.04 1.05 1.38 1.15 0.94 1.36

Total % 95.25 96.57 94.36 102.33 96.46 98.02 97.53 77.74 99.25 99.71 98.57 97.44

Ash Fusion Temperatures - Oxidizing

IT Initial deformation temp °F 2158 2156 2159 2171 2116 2165 2165 2143 2143 2215 2210 2157

ST Softening temp (H=W) °F 2162 2165 2160 2188 2146 2190 2190 2172 2160 2227 2215 2168

HT Hemispherical temp H=1/2 W °F 2163 2172 2161 2197 2150 2197 2197 2180 2166 2241 2225 2173

FT Fluid temp °F 2164 2177 2162 2212 2154 2210 2210 2187 2175 2260 2240 2184

Ash Fusion Temperatures - Reducing

IT Initial deformation temp °F 2074 2144 2068 2096 2070 2105 2105 2101 2060 2145 2127 2108

ST Softening temp (H=W) °F 2080 2150 2076 2099 2084 2134 2134 2106 2066 2156 2143 2111

HT Hemispherical temp H=1/2 W °F 2089 2169 2083 2110 2098 2160 2160 2115 2073 2171 2160 2112

FT Fluid temp °F 2097 2185 2090 2115 2110 2177 2177 2125 2087 2195 2166 2116

HHV

HGI
Description Nixon Foidel Creek FC June

Sample Date Jun-09

Station NIXON

Proximate Analysis (As Received)

H2O Moisture % 11.25

Ash % 9.97

Volatile % 34.46

C Fixed C % 44.32

Total % 100

S Sulfur 0.374

Pounds SO2 / MMBtu 0.68

Pounds Ash / MMBtu 9.07

Ash to Sulfur Ratio 26.66

Ultimate Analysis (As Received)

H2O Moisture 11.25

C Carbon 66.4

H2 Hydrogen 4.61

N2 Nitrogen 1.64

S Sulfur 0.37

Ash 9.97

O2 Oxygen 5.76

Cl Chlorine

Total 100.0

Higher Heating Value Btu/lb 10,989

Moisture & Ash Free (MAF) Btu/lb 12,323

Mineral Analysis of Ash

SiO2 Silicon dioxide % 57.46

Al2O3 Aluminum oxide % 29.61

TiO2 Titanium dioxide % 0.77

Fe2O3 Iron oxide % 3.36

CaO Calcium oxide % 2.93

MgO Magnesium oxide % 1.03

K2O Potassium oxide % 1.41

Na2O Sodium oxide % 0.93

SO3 Sulfur Trioxide % 1.79

P2O5 Phosphorus Pentoxide % 1.17

Total % 100.46

Ash Fusion Temperatures - Oxidizing

IT Initial deformation temp °F 2645

ST Softening temp (H=W) °F 2666

HT Hemispherical temp H=1/2 W °F 2694

FT Fluid temp °F 2700

Ash Fusion Temperatures - Reducing

IT Initial deformation temp °F 2518

ST Softening temp (H=W) °F 2609

HT Hemispherical temp H=1/2 W °F 2647

FT Fluid temp °F 2671

HHV
Description Drake PRB PRB January PRB February PRB March PRB April PRB May PRB June PRB July PRB August PRB September PRB October PRB November PRB December

Sample Date Composite Composite Composite Composite Composite Composite Composite Composite Composite Composite Composite Composite

Station Drake Drake Drake Drake Drake Drake Drake Drake Drake Drake Drake Drake

Proximate Analysis (As Received)

H2O Moisture % 25.43 26.31 25.61 26.52 19.97 26.22 29.14 26.68 26.21 27.34 27.06 29.27

Ash % 5.25 5.33 5.1 4.64 7.4 5.91 5.23 5.54 5.1 5.92 4.95 5.14

Volatile % 34.94 33.83 32.38 31.78 32.79 31.17 30.8 32.22 34.15 32.84 32.07 35.8

C Fixed C % 34.38 34.53 36.91 37.06 39.84 36.7 34.83 35.56 34.54 33.9 35.92 29.79

Total % 100 100 100 100 100 100 100 100 100 100 100 100

S Sulfur 0.19 0.262 0.216 0.209 0.288 0.151 0.172 0.207 0.253 0.193 0.237 0.21

Pounds SO2 / MMBtu 0.43 0.6 0.49 0.48 0.59 0.34 0.41 0.46 0.57 0.44 0.54 0.5

Pounds Ash / MMBtu 5.93 6.07 5.75 5.29 7.63 6.68 6.23 6.12 5.79 6.79 5.64 6.11

Ash to Sulfur Ratio 27.63 20.34 23.61 22.20 25.69 39.14 30.41 26.76 20.16 30.67 20.89 24.48

Ultimate Analysis (As Received)

H2O Moisture 25.43 26.31 25.61 26.52 19.97 26.22 29.14 26.68 26.21 27.34 27.06 29.27

C Carbon 52.19 52.38 54.16 52 60.84 53.75 49.45 53.87 51.28 51.56 52.83 50.42

H2 Hydrogen 3.54 3.78 3.41 3.26 3.79 3.48 2.91 3.44 3.01 3.2 2.63 3.28

N2 Nitrogen 0.77 0.72 0.82 0.67 1.04 0.73 0.55 0.73 0.66 0.8 0.76 0.69

S Sulfur 0.19 0.26 0.22 0.21 0.29 0.15 0.17 0.21 0.25 0.19 0.24 0.21

Ash 5.25 5.33 5.1 4.64 7.4 5.91 5.23 5.54 5.1 5.92 4.95 5.14

O2 Oxygen 12.63 11.22 10.68 12.7 6.67 9.76 12.55 9.53 13.49 10.99 11.53 10.99

Cl Chlorine

Total 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

Higher Heating Value Btu/lb 8,858 8,776 8,873 8,771 9,700 8,850 8,397 9,049 8,814 8,716 8,767 8,406

Moisture & Ash Free (MAF) Btu/lb 12,863 12,838 12,887 12,741 13,356 9,454 8,900 9,626 9,329 13,060 12,894 12,816

Hardgrove Grindability Index 50 49

Moisture Level @ Hardness 3.08% 16.73%

Mineral Analysis of Ash

SiO2 Silicon dioxide % 36.01 35.35 35.67 37.84 46.14 38.70 38.19 30.02 37.07 34.21 34.81 39.12

Al2O3 Aluminum oxide % 18.14 17.47 17.44 19.60 20.85 19.69 17.07 15.07 16.76 17.28 16.26 18.60

TiO2 Titanium dioxide % 1.23 1.29 1.18 1.25 0.92 1.18 1.36 1.11 1.22 1.16 1.15 1.17

Fe2O3 Iron oxide % 5.35 5.70 6.10 5.49 4.64 5.17 5.18 5.11 5.56 5.76 5.99 5.08

CaO Calcium oxide % 20.00 22.70 18.90 18.40 11.00 14.00 18.90 17.70 20.30 19.50 22.70 18.60

MgO Magnesium oxide % 5.00 5.26 4.96 4.74 2.92 4.02 5.22 4.57 5.01 4.77 5.92 5.04

K2O Potassium oxide % 0.76 0.70 0.53 0.56 0.91 0.67 0.72 0.53 0.67 0.70 0.55 0.53

Na2O Sodium oxide % 1.60 1.69 1.36 1.19 1.26 1.25 1.72 1.31 1.67 1.71 1.66 1.78

SO3 Sulfur Trioxide % 4.72 4.96 8.04 8.82 7.73 10.17 8.70 8.95 9.98 11.19 8.57

P2O5 Phosphorus Pentoxide % 2.20 1.43 1.28 1.18 1.10 1.20 1.04 1.08 1.09 1.36 1.16 0.98

Total % 95.01 96.55 95.46 99.07 97.47 96.05 98.10 76.50 98.30 96.43 101.39 99.47

Ash Fusion Temperatures - Oxidizing

IT Initial deformation temp °F 2138 2156 2184 2215 2273 2175 2182 2141 2167 2207 2174 2185

ST Softening temp (H=W) °F 2144 2165 2188 2221 2290 2186 2185 2161 2173 2213 2178 2200

HT Hemispherical temp H=1/2 W °F 2148 2172 2190 2228 2305 2197 2189 2177 2181 2225 2184 2230

FT Fluid temp °F 2152 2177 2193 2254 2371 2205 2192 2195 2200 2245 2197 2341

Ash Fusion Temperatures - Reducing

IT Initial deformation temp °F 2070 2144 2085 2109 2217 2102 2100 2075 2080 2143 2108 2089

ST Softening temp (H=W) °F 2075 2150 2093 2111 2233 2109 2109 2080 2087 2150 2112 2105

HT Hemispherical temp H=1/2 W °F 2079 2169 2102 2114 2250 2113 2114 2092 2089 2170 2113 2119

FT Fluid temp °F 2085 2185 2120 2120 2070 2130 2120 2109 2099 2186 2116 2145

HHV

HGI
Description Drake 20-Mile FC January FC February FC March FC April FC May FC June FC July FC August FC September FC October FC November FC December

Sample Date Composite Composite Composite Composite Composite Composite Composite Composite Composite Composite Composite Composite

Station Drake Drake Drake Drake Drake Drake Drake Drake Drake Drake Drake Drake

Proximate Analysis (As Received)

H2O Moisture % 8.69 8.85 8.44 10.21 10.46 9.46 9.82 8.82 9.33 11.21 10.85 9.97

Ash % 10.1 11.02 12.28 11.12 11.47 10.28 10.12 11.66 10.2 10.75 10.08 9.99

Volatile % 37.77 36.73 36.06 35.36 34.74 35.57 35.9 36.43 35.76 34.89 36.96 36.85

C Fixed C % 43.44 43.4 43.22 43.31 43.33 44.69 44.16 43.09 44.71 43.15 42.11 43.19

Total % 100 100 100 100 100 100 100 100 100 100 100 100

S Sulfur 0.506 0.508 0.458 0.607 0.448 0.327 0.437 0.48 0.457 0.447 0.476 0.492

Pounds SO2 / MMBtu 0.88 0.91 0.83 1.1 0.82 0.58 0.78 0.86 0.81 0.81 0.86 0.88

Pounds Ash / MMBtu 8.82 9.87 11.11 10.1 10.54 9.1 9.03 10.38 9.04 9.8 9.11 8.91

Ash to Sulfur Ratio 19.96 21.69 26.81 18.32 25.60 31.44 23.16 24.29 22.32 24.05 21.18 20.30

Ultimate Analysis (As Received)

H2O Moisture 8.69 8.85 8.44 10.21 10.46 9.46 9.82 8.82 9.33 11.21 10.85 9.97

C Carbon 64.97 65.92 64.69 63.32 66.57 67.05 66 66.56 65.21 64.12 64.99 65.53

H2 Hydrogen 4.58 4.93 4.48 4.5 4.38 4.68 4.48 4.53 4.35 4.31 4.32 4.53

N2 Nitrogen 1.7 1.64 1.66 1.66 1.44 1.61 1.71 1.6 1.64 1.59 1.58 1.65

S Sulfur 0.51 0.51 0.46 0.61 0.45 0.33 0.44 0.48 0.46 0.45 0.48 0.49

Ash 10.1 11.02 12.28 11.12 11.47 10.28 10.12 11.66 10.2 10.75 10.08 9.99

O2 Oxygen 9.45 7.13 7.99 8.58 5.23 6.59 7.43 6.35 8.81 7.57 7.7 7.87

Cl Chlorine

Total 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

Higher Heating Value Btu/lb 11,448 11,164 11,047 11,017 10,879 11,288 11,207 11,229 10,974 11,060 11,219

Moisture & Ash Free (MAF) Btu/lb 14,097 13,933 14,125 14,187 13,935 12,704 12,592 12,858 14,063 13,988 14,017

Hardgrove Grindability Index 48 45

Moisture Level @ Hardness 1.46% 3.75%

Mineral Analysis of Ash

SiO2 Silicon dioxide % 58.16 57.96 61.28 58.68 56.94 59.05 56.79 59.24 54.73 56.58 60.35 53.68

Al2O3 Aluminum oxide % 25.84 26.02 23.85 23.73 24.82 28.21 26.55 25.29 25.85 26.26 25.30 26.70

TiO2 Titanium dioxide % 0.75 0.75 0.63 0.76 0.72 0.75 0.72 0.70 0.72 0.76 0.68 0.76

Fe2O3 Iron oxide % 3.35 3.22 2.93 3.95 3.33 3.34 3.07 3.08 3.03 3.06 3.08 3.03

CaO Calcium oxide % 3.84 3.91 2.82 3.54 3.49 2.75 3.31 3.35 3.72 4.04 3.76 5.46

MgO Magnesium oxide % 1.14 1.18 1.17 1.27 1.39 1.17 1.18 1.24 1.31 1.19 1.21 1.42

K2O Potassium oxide % 1.58 1.42 1.66 1.42 1.49 1.30 1.42 1.32 1.39 1.23 1.28 1.26

Na2O Sodium oxide % 0.98 1.03 0.97 1.04 1.04 1.00 0.98 1.04 1.10 1.06 1.04 0.98

SO3 Sulfur Trioxide % 1.23 0.54 1.87 2.22 2.10 2.25 2.71 2.57 2.98 3.30 3.08 3.77

P2O5 Phosphorus Pentoxide % 1.14 1.15 0.70 0.91 0.73 0.97 1.37 0.84 0.80 0.79 0.83 1.84

Total % 98.01 97.18 97.88 97.52 96.05 100.79 98.10 98.67 95.63 98.27 100.61 98.90

Ash Fusion Temperatures - Oxidizing

IT Initial deformation temp °F 2656 2650 2644 2623 2565 2620 2638 2610 2656 2464 2652 2447

ST Softening temp (H=W) °F 2684 2661 2667 2668 2677 2644 2661 2625 2700 2570 2690 2475

HT Hemispherical temp H=1/2 W °F 2698 2670 2690 2700 2684 2655 2696 2634 2700 2610 2700 2485

FT Fluid temp °F 2700 2681 2700 2700 2600 2675 2700 2670 2700 2633 2700 2530

Ash Fusion Temperatures - Reducing

IT Initial deformation temp °F 2545 2576 2540 2545 2500 2479 2600 2572 2570 2448 2650 2400

ST Softening temp (H=W) °F 2592 2585 2590 2605 2543 2518 2627 2584 2593 2525 2659 2417

HT Hemispherical temp H=1/2 W °F 2631 2600 2635 2630 2559 2576 2640 2620 2610 2560 2671 2455

FT Fluid temp °F 2671 2625 2677 2670 2580 2610 2650 2657 2670 2590 2689 2475

HHV

HGI
As Rec'd Dry Air Dry As Rec'd Dry Air Dry As Rec'd Dry Air Dry As Rec'd Dry Air Dry As Rec'd Dry Air Dry As Rec'd Dry Air Dry

Proximate Moisture 26.45 0.00 6.32 27.47 0.00 8.97 27.75 0.00 7.95 31.88 0.00 15.10 8.01 0.00 12.32 28.99 0.00 11.51

Ash 4.55 6.18 5.79 4.25 5.87 5.34 4.14 5.74 5.28 5.00 7.34 6.23 6.40 8.88 7.79 5.22 7.35 6.50

Sulfur 0.22 0.30 0.28 0.24 0.33 0.30 0.20 0.28 0.26 0.19 0.27 0.23 0.18 0.24 0.21 0.19 0.26 0.23

Air Dry Loss 21.49 20.32 21.51 19.77 17.90 19.75

Ultimate Moisture 26.45 0.00 6.32 27.47 0.00 8.97 27.75 0.00 7.95 31.88 0.00 15.10 28.01 0.00 12.32 28.99 0.00 11.51

Carbon 52.55 71.45 66.93 52.02 71.71 65.28 52.13 72.16 66.42 49.17 72.19 61.29 50.67 70.39 61.72 50.10 70.55 62.43

Hydrogen 3.41 4.64 4.34 3.34 4.60 4.19 3.37 4.66 4.29 3.18 4.66 3.96 3.13 4.35 3.81 3.13 4.41 3.90

Nitrogen 0.74 1.00 0.94 0.74 1.02 0.93 0.71 0.98 0.90 0.61 0.90 0.76 0.56 0.78 0.68 0.39 0.54 0.48

Sulfur 0.22 0.29 0.28 0.24 0.33 0.30 0.20 0.28 0.25 0.18 0.27 0.23 0.18 0.24 0.21 0.19 0.26 0.23

Ash 4.55 6.18 5.79 4.25 5.87 5.34 4.14 5.74 5.28 5.00 7.34 6.23 6.40 8.88 7.79 5.22 7.35 6.50

Oxygen 12.08 16.44 15.40 11.94 16.47 14.99 11.70 16.18 14.91 9.98 14.64 12.43 11.05 15.36 13.47 11.98 16.89 14.95

NIXPERF 020109 NIXPERF 020509 NIXPERF 021009 NIXPERF 021409 NIXPERF 022109 NIXPERF 022509 NIXPERF 022809 NIXPERF 030409

Air Dry Loss 24.87 24.82 25.57 23.88 25.12 23.85 24.62 23.82

Residual Moisture 4.46 4.57 3.77 5.63 4.19 4.71 3.79 9.41

As Rec'd Moisture 28.22 28.26 28.38 28.17 28.26 27.44 27.48 30.99

Metals Mercury (air dry) mg/kg 0.06 0.09 0.06 0.06 0.06 0.07 0.08 0.08

Mercury (as rec)mg/kg 0.05 0.07 0.04 0.05 0.04 0.05 0.06 0.06

Mercury (Dry) mg/kg 0.06 0.90 0.06 0.06 0.06 0.07 0.08 0.09

Halogens Chlorine (air dry) % <0.005 <0.005 <0.005 <0.005 0.009 0.006 0.008 0.008

Chlorine (as rec) % <0.004 <0.004 <0.004 <0.004 0.007 0.005 0.006 0.006

Chlorine (Dry) % <0.005 <0.005 <0.005 <.005 0.009 0.006 0.008 0.009

Fluorine (air dry) % 0.01 0.01 0.01 0.00 0.005 0.005 0.006 0.005

Fluorine (as rec) % 0.00 0.00 0.00 0.00 0.004 0.004 0.005 0.004

Fluorine (Dry) % 0.01 0.01 0.01 0.00 0.005 0.005 0.006 0.006

Chlorine (air dry)mg/kg <50 <50 <50 <50 90 60 80 80

Chlorine (as rec) mg/kg <40 <40 <40 <40 70 50 60 60

Chlorine (Dry) mg/kg <50 <50 <50 <50 90 60 80 90

Fluorine (air dry) mg/kg 50 50 50 40 50 50 60 50

Fluorine (as rec) mg/kg 40 40 40 30 40 40 50 40

Fluorine (Dry) mg/kg 50 50 50 40 50 50 60 60

Nixon RATA Test

1100 1500 1000 1400

Mercury (Air Dry) mg/kg 0.06 0.06 0.06 0.06

Mercury (As Received) mg/kg 0.05 0.05 0.05 0.05

Mercury (Dry) Mg/kg 0.07 0.07 0.07 0.07

Chlorine (Air Dry) % <0.0005 0.006 0.007 0.008

Chlorine (As Received) % <0.0004 0.005 0.006 0.006

Chlorine (Dry Basis) % <0.0005 0.006 0.007 0.008

Fluorine (Air Dry) % 0.005 0.005 0.005 0.005

Fluorine (As Received) % 0.004 0.004 0.004 0.004

Fluorine (Dry Basis) % 0.006 0.006 0.006 0.005

Air Dry Loss % 18.44 18.43 19.84 22.62

Residual Moisture % 11.56 12.49 10.36 7.89

As Received % Moisture 27.87 28.62 28.14 28.73

Train # Date SGS Gilette Nixon Perf Date Hg mg/kg

Nixon CNANX007 02/01/2009 0.06 02/19/2009 0.07

CNANX008 02/05/2009 0.07 02/20/2009 0.06

CNANX009 02/10/2009 0.07 02/21/2009 0.07

CNANX010 02/14/2009 0.08 02/22/2009 0.07

CNANX011 02/22/2009 0.07 02/23/2009 0.06

CNANX012 02/25/2009 02/24/2009 0.06

CNANX013 02/28/2009 02/25/2009 0.06

CNANX014 03/04/2009 0.06

CNANX015 03/08/2009 0.11

CNANX017 03/21/2009 0.08

CNANX018 03/30/2009 0.06

CNANX019 04/03/2009 0.06

CNANX022 04/30/2009 0.07

CNANX029 06/01/2009 0.06

CNANX035 07/16/2009 0.07

CNANX039 08/01/2009 0.06

CNANX046 09/03/2009 0.07

CNANX052 10/01/2009 0.05

CNANX058 11/02/2009 0.07

CNANX061 12/02/2009 0.08

Train # Date SGS Gilette

Drake CNADK004 02/09/2009 0.07

CNADK005 02/23/2009 0.07

CNADK006 03/08/2009 0.06

CNADK007 03/12/2009 0.07

CNADK008 03/31/2009 0.07

CNADK009 04/03/2009 0.12

CNADK010 04/13/2009 0.07

Hazen Research 

4601 Indiana St 

Golden, CO 80403

SGS North America 

2804 Hackathorne Lane 

Gillette, Wy 82716

Mercury Testing

SGS North America 

2804 Hackathorne Lane 

Gillette, Wy 82716

08/27/09 ABCDEFG 0800 Perf Test

Hazen Research 4601 Indiana Street Golden, CO 80403

1-Jun-09 2-Jun-09

Hazen Research 4601 Indiana Street 

Golden, CO 80403

Mercury Testing

Hazen Research 4601 Indiana Street 

Golden, CO 80403

03/04/09 215.8 MW ABCDEFG 0430 Perf Test 03/05/09 ABCDEFG 223 MW 0730 Perf Test 03/05/09 ABCDEFG 0919 Perf Test 08/27/09 ABCDEFG 0540 Perf Test 08/27/09 ABCDEFG 0546 Perf Test
2009 Metals Analysis

PRB Nixon PRB Drake 20 Mile Drake West Elk Drake

Metals in Ash

Antimony, mg/kg <10 <10 <10 <10

Barium, mg/kg 5870 4750 2920 2440

Beryllium, mg/kg 7 <7 <7 8

Cadmium, mg/kg 2 1 2 1

Chromium, mg/kg 120 420 110 160

Cobalt, mg/kg 52 53 31 46

Copper, mg/kg 150 140 60 77

Lead, mg/kg 43 77 81 64

Manganese, mg/kg 140 150 70 110

Molybdenum, mg/kg 44 15.9 4.3 33.8

Nickel, mg/kg 60 204 66 95

Silver, mg/kg 48 <2 <2 <2

Thallium, mg/kg 28 <20 <20 <20

Vanadium, mg/kg 186 136 91 111

Zinc, mg/kg 140 120 90 96

Metals (Dry Whole Coal)

Antimony, mg/kg <0.7 <0.8 <1 <1

Barium, mg/kg 436 362 343 280

Beryllium, mg/kg 0.5 <0.5 <0.8 0.9

Cadmium, mg/kg 0.1 0.08 0.23 0.1

Chromium, mg/kg 8.9 32 13 18

Cobalt, mg/kg 3.9 4 3.6 5.3

Copper, mg/kg 11 11 7 8.8

Lead, mg/kg 3.2 5.9 9.5 7.4

Manganese, mg/kg 10 11 8.2 13

Molybdenum, mg/kg 3.27 1.21 0.5 3.88

Nickel, mg/kg 4.5 16 7.7 11

Silver, mg/kg 3.6 <0.2 <0.2 <0.2

Thallium, mg/kg 2.1 <2 <2 <2

Vanadium, mg/kg 13.8 10.4 11 12.7

Zinc, mg/kg 10.4 9.1 11 11

Air Dry Loss, % 16.1 15.48 4.88 9.37

Residual Moisture, % 12.72 9.08 2.87 2.37

As Received Moisture, % 26.77 23.15 7.61 11.54

Metals

Arsenic (Air Dry Basis), mg/kg 0.39 0.25 0.2 0.7

Arsenic (As Received Basis), mg/kg 0.33 0.21 0.19 0.63

Arsenic ( Dry Basis), mg/kg 0.45 0.27 0.21 0.72

Mercury (Air Dry Basis), mg/kg 0.05 0.07 0.05 0.11

Mercury (As Received Basis), mg/kg 0.04 0.06 0.05 0.1

Mercury ( Dry Basis), mg/kg 0.06 0.08 0.05 0.11

Selenium (Air Dry Basis), mg/kg <0.05 <0.05 <0.05 <0.05

Selenium (As Received Basis), mg/kg <0.04 <0.04 <0.05 <0.05

Selenium ( Dry Basis), mg/kg <0.06 <0.05 <0.05 <0.05

Halogens

Chlorine (Air Dry Basis), % <0.005 <0.005 <0.05 0.007

Chlorine (As Received Basis), % <0.004 <0.004 <0.05 0.006

Chlorine ( Dry Basis), % <0.006 <0.005 <0.05 0.007

Fluorine (Air Dry Basis), % 0.005 0.006 0.013 0.008

Fluorine (As Received Basis), % 0.004 0.005 0.012 0.007

Fluorine ( Dry Basis), % 0.006 0.007 0.013 0.008
12/10/2009 12/14/2009 12/18/2009 12/27/2009

H2O Moisture % 11.22 11.96 12.47 10.77

Ash % 4.89 4.96 5.46 4.48

Volatile % 37.61 38.1 36.08 37.52

C Fixed C % 46.28 44.98 45.99 47.23

Total % 100 100 100 100

S Sulfur 0.49 0.421 0.469 0.446

Pounds SO2 / MMBtu 0.83 0.71 0.81 0.75

Pounds Ash / MMBtu 4.14 4.18 4.74 3.76

Ash to Sulfur Ratio 9.98 11.78 11.64 10.04

H2O Moisture 11.22 11.96 12.47 10.77

C Carbon 69.22 69.27 67.42 70.2

H2 Hydrogen 4.63 4.6 4.45 4.62

N2 Nitrogen 1.37 1.42 1.36 1.37

S Sulfur 0.49 0.42 0.47 0.45

Ash 4.89 4.96 5.46 4.48

O2 Oxygen 8.18 7.7 8.37 8.11

Total 100 100 100 100

Higher Heating Value Btu/lb 11,809 11,877 11,515 11,923

Moisture & Ash Free (MAF) Btu/lb 14,078 14,295 14,030 14,069

Hardgrove Grindability Index 53 52 54 54

Moisture Level @ Hardness 2.86 3.17 3.41 5.25

SiO2 Silicon dioxide % 42.67 48.08 51.1 47.17

Al2O3 Aluminum oxide % 22.5 29.63 27.66 28.9

TiO2 Titanium dioxide % 0.88 0.89 0.9 0.95

Fe2O3 Iron oxide % 12.22 8.00 8.14 9.96

CaO Calcium oxide % 5.06 4.43 3.99 3.9

MgO Magnesium oxide % 1.57 1.31 1.37 1.42

K2O Potassium oxide % 1.04 0.78 1.15 0.8

Na2O Sodium oxide % 1.4 1.5 1.39 1.42

SO3 Sulfur Trioxide % 5.42 3.18 2.78 3.5

P2O5 Phosphorus Pentoxide % 0.66 0.86 0.56 0.58

Total % 93.42 98.66 99.04 98.6

IT Initial deformation temp °F 2330 2360 2500 2405

ST Softening temp (H=W) °F 2403 2601 2560 2441

HT Hemispherical temp H=1/2 W °F 2428 2607 2567 2458

FT Fluid temp °F 2448 2615 2600 2490

IT Initial deformation temp °F 2141 2292 2370 2425

ST Softening temp (H=W) °F 2170 2383 2429 2450

HT Hemispherical temp H=1/2 W °F 2230 2443 2470 2480

FT Fluid temp °F 2265 2479 2493 2500

Base Content % 24.38 16.93 16.76 18.51

Acid Content % 75.62 83.07 83.24 81.49

Dolomite Ratio 31.14 35.83 33.42 30.4

Base /Acid Ratio 0.32 0.20 0.20 0.23

Silica/Alumina Ratio 1.9 1.62 1.85 1.63

T (CV) Deg F 2430 2643 2670 ND

Equiv Silica Content % 2508 2701 2712 2658

135.43 77.77 79.1 75.53

Ash Type High Rank High Rank High Rank High Rank

Slagging Type Low Low Low Low

Foulding Type Medium Medium Medium Medium

As Reveived Mercury Mg/Kg 0.009 ND ND 0.03

Dry Basis Mercury Mg/Kg 0.01 ND ND 0.03

Ash Fusion Temperatures - Oxidizing

Ash Fusion Temperatures - Reducing

Ash Viscosity Calculation

Viscosity fro Equiv Silica at 2600 F (Poise)

Other

Drake West Elk 2009

Proximate Analysis (As Received) - Hazen Analysis

Ultimate Analysis (As Received)

HHV

HGI

Mineral Analysis of Ash