**SNCR Control Costs**

**Kiln Capital Cost**  **Annualized Capital Cost**  **Annual**

**Operating Cost**  **Total**

**Annual Cost**  **Emission Reduction**  **($) ($)**  **($) ($/yr)**  **(tpy)** Kiln 1 450,000 42,477 358,459 400,936 491 Kiln 2 450,000 42,477 354,981 397,458 493

**SO2 Control Costs**

**SO 2** **Control Technology Capital Cost**  **Annual Indirect Costs**  **Annual**

**Direct Costs**  **Total**

**Annual Cost**  **Emission Reduction**  **($) ($/yr)**  **($/yr) ($/yr)**  **(tpy) Kiln 1**  Lower Sulfur Fuel Blend

-- -- -- 313,096 366 Dry Sorbent Injection 2,497,559 371,174 2,620,8622,992,036 628 **Kiln 2** Lower Sulfur Fuel Blend

-- -- -- 458,179 559 Dry Sorbent Injection 2,497,559 371,174 3,896,6584,267,833 960**Cost**

**Effectiveness ($/ton)**  817 807

**Average Incremental** 
856

-- 4,763 10,215
819

-- 4,445 9,504 **Cost Effectiveness ($/ton) Baseline Emission Factors** 

**Emission Unit Lime Production** 

**Max Daily 2**  **Annual 3**  **Year Emission Factor**  **(tpd) (tpy)**  **(lb/ton lime) (lb/day)**  **(tpy)** Kiln 1 866 258,508 2010 7.59 6,573 981 Kiln 2 1,246 378,296 2012 5.21 6,492 985
1Factors from March, May and June 2013 CEMS testing. 2Maximum daily rates representing maximum rates that occurred during the March 2013 CEMS testing. 3The annual lime production represents the highest annual production rate for each kiln from2001 to 2012

NOx Control **Control Option Control** 

**Efficiency Emission** 

**Factor Emissions**  **Removed (%)**  **(lb/ton lime) (lb/day)**  **(tpy) (tpy)**  **Kiln 1** Baseline **--** 7.59 6,573 981

-- SNCR 50% 3.80 3,286 491 491 **Kiln 2** Baseline

-- 5.21 6,492 985

-- SNCR 50% 2.61 3,246 493 493
SO2 Control

**Control Option Ctrl Eff**  **Emission Factor**  **Emissions Removed**  **% (lb/ton lime)** **(lb/day) (tpy)**  **(tpy) Kiln 1**  Baseline

-- 12.15 10,522 1,570

-- Lower Sulfur Fuel Blend

23.30% 9.32 8,070 1,205 366 Dry Sorbent Injection (SBC)

40% 7.29 6,313 942 628 **Kiln 2** Baseline

-- 12.69 15,812 2,400

-- Lower Sulfur Fuel Blend

23.30% 9.73 12,128 1,841 559 Dry Sorbent Injection (SBC)

40% 7.61 9,487 1,440 960 **NOx**

**Emission Rate Emission Rate**  **Emissions Emission Factor** **1**

**(lb/ton lime) (lb/day)**  **(tpy)** 12.15 10,522 1,570 12.69 15,812 2,400
Maximum daily rates representing maximum rates that occurred during the March 2013 CEMS testing. The annual lime production represents the highest annual production rate for each kiln from2001 to 2012

**SO 2** **Control Technology**

**Ctrl Eff Emission** 

**Factor %**  **(lb/ton lime) (lb/day)**  **(lb/hr) (g/s)**  **Kiln 1** Baseline

-- 12.15 10,522 438 55 Lower Sulfur Fuel Blend

23.30% 9.32 8,070 336 42 Dry Sorbent Injection (SBC)

40% 7.29 6,313 263 33 **Kiln 2** Baseline

-- 12.69 15,812 659 83 Lower Sulfur Fuel Blend

23.30% 9.73 12,124 505 64 Dry Sorbent Injection (SBC)

40% 7.61 9,482 395 50 **Maximum 24-hr Model Emission Rate SO2** **Emissions Selective Non-Catalytic Reduction** 

**Cost Item Units**  **Kiln 1 Kiln 2**  **Capital Costs** Total Capital Investment $ 450,000 450,000 Capital Recovery Factor 0.094 0.094 **Annual Costs** Variable Operating Costs (VOC) Reagent Usage lb/hr 71 70 Reagent Usage lb/yr 558,578 551,671 Reagent Usage ton/yr 279 276 Reagent Cost $/ton 1,000 1,000 Reagent Cost $/yr 279,289 275,836 Aux Power kW/hr 5.00 4.93 Aux Power kWh/yr 39,390 38,903 Aux Power Cost $/kWh 0.05 0.05 Aux Power Cost $/yr 1,969 1,945

Total VOC 281,259 277,781 Fixed Operating Costs (FOC) Additional Labor $/yr 59,200 59,200 Admin, Taxes, Insurance$/yr 4% 18,000 18,000

Total FOC 77,200 77,200 Annualized Capital Cost $/yr 42,477 42,477 **Total Annual Costs $/yr**  **400,936 397,458**  1

### Interest Rate 7.0% Equipment Lifetime (years)20 Capital Recovery Factor 0.094 2

### Anhydrous ammonia price established at approximately double historical urea price highs (excluding 2008 high) http://www.indexmundi.com/commodities/?commodity=urea&months=360**Notes**

Per Table 5-4, "Nelson BART Five Factor Analysis 09.27.13 - Public.pdf" See footnote 1 below

See Andover Technology Partners (ATP) memo, Equation E.16, "C_08_005_Cement Kiln Cost Analysis 2009-03-10.pdf." Based on anhydrous ammonia usage, 90% annual CF, normal stoichiometric ratio of 0.70. See footnote 2 below; Based on use of anhydrous ammonia See Andover Technology Partners memo, Equation E.17, 18, "C_08_005_Cement Kiln Cost Analysis 2009-03-10.pdf." Based on 90% annual capacity factor Per contractor assumptions for Nelson Plant in "Non EGU_BART_Ch3.xlsx" Aux power cost + Reagent cost See Andover Technology Partners memo, page 17, "C_08_005_Cement Kiln Cost Analysis 2009-03-10.pdf." See Andover Technology Partners memo, page 17, "C_08_005_Cement Kiln Cost Analysis 2009-03-10.pdf."
Total VOC + Total FOC + Annualized Capital cost



### Anhydrous ammonia price established at approximately double historical urea price highs (excluding 2008 high) http://www.indexmundi.com/commodities/?commodity=urea&months=360See Andover Technology Partners (ATP) memo, Equation E.16, "C_08_005_Cement Kiln Cost Analysis 2009-03-10.pdf."

See Andover Technology Partners memo, Equation E.17, 18, "C_08_005_Cement Kiln Cost Analysis 2009-03-10.pdf."

See Andover Technology Partners memo, page 17, "C_08_005_Cement Kiln Cost Analysis 2009-03-10.pdf." See Andover Technology Partners memo, page 17, "C_08_005_Cement Kiln Cost Analysis 2009-03-10.pdf."**Dry Sorbent Injection (using Sodium Bicarbonate)**

**Cost Item Units**  **Kiln 1 Kiln 2**  **Capital Costs Purchased Equipment Cost (PEC)**  Equipment Cost (EC) $ 1,022,500 1,022,500 Instrumentation $ 10%102,250 102,250 Sales Tax $ 3% 30,675 30,675 Freight $ 5% 51,125 51,125 **Total PEC $**  **1,206,550 1,206,550**  **Direct Installation Cost (DC)** Foundation and Supports$ 12%144,786 144,786 Handling and Erection $ 40%482,620 482,620 Electrical $ 1%

-- -- Piping $ 30%361,965 361,965 Insulation $ 1% 12,066 12,066 Painting $ 1%

-- -- **Total DC $**  **1,001,437 1,001,437**  **Indirect Installation Cost (IC)** Engineering $ 10%

-- -- Construction and field expenses $ 10%120,655 120,655 Contractor Fees $ 10%120,655 120,655 Performance Test $ 1% 12,066 12,066 Contingencies $ 3% 36,197 36,197 **Total IC $**  **289,572 289,572**  **Total Capital Investment (TCI), PEC+DC+IC 2,497,559**  **2,497,559 Annual Costs**  **Direct Annual Costs (DAC)** Reagent Usage Ratio 4.63 4.63 Reagent Usage lb/hr 1,624 2,440 Reagent Usage lb/yr 12,802,66919,239,156 Reagent Usage ton/yr 6,401 9,620 Reagent Price $/ton 375 375 Reagent Cost $/yr 2,400,500 3,607,342 Waste Generated ton/yr 2,695 4,074 Waste Disposal Price $/ton 50 50 Waste Disposal Cost $/yr 134,750 203,705 Aux Power kW/hr 67 67 Aux Power kWh/yr 528,228 528,228 Aux Power Price $/kW 0.05 0.05 Aux Power Cost $/yr 26,411 26,411 Additional Labor $/yr 59,200 59,200

**Total DAC 2,620,862**  **3,896,658 Indirect Annual Costs (IAC)** 

Overhead $/yr 60% 35,520 35,520 Admin, Taxes, Insurance$/yr 4% 99,902 99,902 Annualized Capital Cost $/yr 235,752 235,752

**Total IAC 371,174**  **371,174 Total Annual Costs (DAC+IAC)**  **2,992,036 4,267,833**  1

### Interest Rate 7.0% Equipment Lifetime (years)20 Capital Recovery Factor 0.094 0.094 0.094 2

### SO2 MW 64lb/lbmol 

### SO4 MW 96lb/lbmol**Notes**

Noltech vendor quote, May 22, 2013. Included in attachments to "Nelson BART Five Factor Analysis 09.27.13 - Public.pdf" 10% of EC, Per EPA Control Cost Manual (CCM), Section 5.2, Chapter 1, Table 1.3 3% of EC, CCM, Section 5.2, Chapter 1, Table 1.3 5% of EC, CCM, Section 5.2, Chapter 1, Table 1.3
CCM, Section 5.2, Chapter 1, Table 1.3 CCM, Section 5.2, Chapter 1, Table 1.3 Included in EC CCM, Section 5.2, Chapter 1, Table 1.3 CCM, Section 5.2, Chapter 1, Table 1.3 Included in EC

Included in EC CCM, Section 5.2, Chapter 1, Table 1.3 CCM, Section 5.2, Chapter 1, Table 1.3 CCM, Section 5.2, Chapter 1, Table 1.3 CCM, Section 5.2, Chapter 1, Table 1.3

Sorbent-SO2 ratio of 4.63, per ATP calculations for Nelson Plant in "Non EGU_BART_Ch3.xlsx" SBC, based on NSR=0.8
Includes $225/ton SBC cost and $150/ton transportation cost, "Non EGU_BART_Ch3.xlsx" Waste consists of SO2 captured as SO4, plus sodium portion of SBC Per contractor calculations for Nelson Plant in "Non EGU_BART_Ch3.xlsx" 67 MW additional pump required to overcome additional pressure head, per Noltech vendor quote Based on 90% annual capacity factor Per contractor calculations for Nelson Plant in "Non EGU_BART_Ch3.xlsx" See Andover Technology Partners memo, page 17, "C_08_005_Cement Kiln Cost Analysis 2009-03-10.pdf."60% of labor and material costs, per CCM, Section 5.2, Chapter 1, Table 1.4 (used 'additional labor' category in this instance)

4% OF TCI, per CCM, Section 5.2, Chapter 1, Table 1.4Noltech vendor quote, May 22, 2013. Included in attachments to "Nelson BART Five Factor Analysis 09.27.13 - Public.pdf"60% of labor and material costs, per CCM, Section 5.2, Chapter 1, Table 1.4 (used 'additional labor' category in this instance)**Fuel Mixture Change**

**Parameter Units**  **Kiln 1 Kiln 2**  Coal Heating Value Btu/lb 8800 8800 Coal Heating Value MMBtu/ton 17.6 17.6 Coal Fuel Price $/ton 46.29 46.29 Coal Fuel Price $/MMBtu 2.63 2.63 Petcoke Fuel Price $/MMBtu 2.25 2.25 Lime Prod Heat Input GJ/ton lime 3.02 3.02 Lime Prod Heat Input MMBtu/ton lime 6.37 6.37 Lime Production tons/yr 258,508378,296 Heat Input MMBtu/yr 1,647,3822,410,749 Fuel Cost $/yr 3,706,6095,424,185 Fuel Cost $/yr 4,019,7055,882,364 Cost increase $/yr 313,096458,179 1 0.9478kJ/Btu 2 50%Thermal efficiency for production process**Notes**

Based on Powder River Basin coal, http://www.eia.gov/coal/news_markets/ 2011 average coal price (U.S. Total), http://www.eia.gov/coal/annual/pdf/table34.pdf Table 4.12.a, average cost of petroleum coke, July 2013, http://www.eia.gov/electricity/data.cfm#avgcost Per Kirk-Othmer Encyclopedia of Chemical Technology, Vol 15 (Lime Production Entry), Fourth Ed., 1995 See notes 1, 2 below

Based on 100% petcoke mixture Based on 50%/50% coal-petcoke mixtureTable 4.12.a, average cost of petroleum coke, July 2013, http://www.eia.gov/electricity/data.cfm#avgcost Per Kirk-Othmer Encyclopedia of Chemical Technology, Vol 15 (Lime Production Entry), Fourth Ed., 1995