### CEMEX Emissions

**Kiln-Flash Calciner**

year Actual Raw

Material Usage [tons] Actual Clinker

Production [tons] Operating

Hours Annual Coal

Use [tons] Annual Coal

Heat Input [MMBtu] Annual %

Firing Coal Natural Gas

Use [mscf] NG Heat

Input [MMBtu] SO2 [tpy] SO2

[lbs/ton of Clinker] Average

SO2 (lbs/hr) NOx [tpy] NOx [lbs/ton of Clinker] Average

NOx (lbs/hr) % Raw

Material Loss 2000 846,000 539,992 8020

- 14.4 **0.053** 3.6 1,729.6 6.41 431.3 -36.17% 2001 759,699 508,733 7893 111,677 2,702,583 96.08% 102,156 110,328 18.7 **0.074** 4.7 1,858.9 7.31 471.0 -33.03% 2002 738,067 472,945 7526 92,418 2,236,516 91.38% 195,375 211,005 95.0 **0.402** 25.3 1,747.1 7.39 464.3 -35.92% 2003 830,428 516,251 7871 99,919 2,418,040 96.14% 89,802 96,986 48.0 0.186 12.2 1,835.0 7.11 466.3 -37.83% 2004 791,866 472,053 7927 96,796 2,342,463 91.92% 190,587 205,834 26.3 0.111 6.6 1,708.9 7.24 431.2 -40.39% 2005 739,260 440,384 7641 86,730 2,098,866 93.13% 143,343 154,810 27.2 0.123 7.1 1,591.3 7.23 416.5 -40.43% 2006 734,456 466,173 7921 97,667 2,363,541 96.58% 77,411 83,604 44.7 0.192 11.3 2,011.7 8.63 508.0 -36.53% 2007 788,780 479,225 7941 89,683 2,170,329 95.81% 87,890 94,921 65.0 0.271 16.4 1,689.0 7.05 425.4 -39.24% 2008 749,325 478,520 7534 88,264 2,135,989 96.97% 62,002 66,838 55.8 0.233 14.8 1,295.5 5.41 343.9 -36.14% 2009 312,845 185,076 2990 34,914 844,919 96.36% 29,624 31,935 15.5 0.167 10.4 495.5 5.35 331.4 -0.4084

**Average: 455,935**  **88,674 2,145,916**  **108,688 117,362**  **41 0.181**  **11.2 1,596.25**  **6.91 428.92**  -37.82% **(excluding 2009) Average: 486,031**  **95,394** 6,160.50 6,120.47

Kiln Raw Material Usage (max feed): 967,680 (tons/year) dry basis

Kiln-Calciner: 8064 (hours/year)-condition # 10.2 Clinker Processing: 8064 (hours/year)-condition # 11.2 error reported by CEMEX, numbers are now correct Title V Permit Limits**SO2 Emissions Control Analysis for the Kiln** Resultant SO2 Emissions Resultant SO2

Emissions Resultant SO2

Emissions Estimated Control

Efficiency SO2 Emission

Reduction Annualized Cost Cost Effectiveness Incremental Cost

Effectiveness [tons/y r] [lbs/hr] [lbs/ton of clinker] [%] [tons/y r] [$/y

r] [$/ton] [$/ton] Baseline SO2 Emissions 95.0 25.3 0.40

- Lime Addition to Kiln Feed 71.3 19.0 0.30 25 23.8 $3,640,178 $153,271 Fuel Substitution (coal supplemented with TDF) 57.0 15.2 0.24 40 38.0 $172,179 $4,531 ($243,368) Dry Sorbent Injection 47.5 12.7 0.20 50 47.5 Not provided

- - Wet Lime Scrubbing (Tailpipe scrubber) 9.5 2.5 0.04 90 85.5 $2,529,018 $29,579 $49,618

**NOx Emissions Control Analysis for the Kiln** Resultant SO2 Emissions Resultant NOx

Emissions Resultant NOx

Emissions Estimated Control

Efficiency NOx Emission

Reduction Annualized Cost Cost Effectiveness Incremental Cost

Effectiveness [tons/y r] [lbs/hr] [lbs/ton of clinker] [%] [tons/yr] [$/yr] [$/ton] [$/ton] Baseline NOx Emissions 1,747.1 464.3 7.39

- Water Injection 1,624.8 431.8 6.87 7 122.297 43,598.231 $356 128,580.55 Firing TDF 1,572.4 417.9 6.65 10 174.710 172,178.777 $986 $2,453.22 52.41 2453.219 Indirect Firing with LNB 1,397.7 371.4 5.91 20 349.4 $710,750 $2,034 $3,083 SNCR (45% control) 960.9 255.4 4.06 45 786.2 $1,636,636 $2,082 $2,120 SNCR (48.43% control) 901.0 239.4 3.81 48.43 846.1 $1,636,636 $1,934 $1,864 SNCR w/LNB 786.2 208.9 3.33 55 960.9 $1,686,395 $1,755 $434

Control Technology Control TechnologyVisibility improvement for SO2 Controls – Kiln Only 98th Percentile Improvement (from 24-hr Max) ( Δ dv) ( Δ dv) ($/ Δ dv) 24-hr Maximum ( ≈ 104 lbs/hr) 0.760

- Baseline ( ≈ 25.3 lbs/hr)* 0.730 0.030 Lime Addition to Kiln ( ≈ 19.0 lbs/hr)* 0.727 0.033 $110,308,420 Fuel Substitution ( ≈ 15.2 lbs/hr)* 0.726 0.034 $5,064,082 Dry Sorbent Injection ( ≈ 12.7 lbs/hr)* 0.724 0.036 Wet Lime Scrubbing ( ≈ 2.5 lbs/hr) 0.720 0.040 $63,225,462

Visibility improvement for NOx Controls – Kiln Only 98th Percentile Improvement (from 24-hr Max) ( Δ dv) ( Δ dv) ($/ Δ dv) Maximum (24-hr max) 0.760 Revised Baseline* ( ≈ 464.3 lb/hr) 0.572 0.188 Original Baseline* ( ≈ 446.8 lb/hr) 0.555 0.205 Water Injection ( ≈ 431.8 lb/hr) 0.540 0.220 $198,174 Firing TDF ( ≈417.9 lbs/hr) 0.526 0.234 $735,807 Indirect Firing with LNB ( ≈ 371.4 lb/hr) 0.481 0.279 $2,547,493 Original Proposed BART Limit – SNCR ( ≈ 268.0 lb/hr) 0.380 0.380 Proposed BART Limit – SNCR (30-day limit)* * ( ≈ 255.3 lb/hr) 0.368 0.392 $4,175,091 Proposed BART Limit – SNCR (annual limit)* * ( ≈ 239.0 lb/hr) 0.352 0.408 $4,011,362 SNCR w/LNB* * ( ≈ 208.9 lb/hr) 0.322 0.438 $3,850,217 Control Method 98th Percentile Impact Cost Effectiveness

Control Method 98th Percentile Impact Cost EffectivenessCemex BART Determination

Control Type Estimated

Reduction SO2 [lb/hr] SO2 [lb/ton of clinker] SO2 [tpy] Reduction

Present SO2 BART % 48 0.80 97 Baseline

- 25.3 0.40 95.0 Proposed BART limits Lime Addition 25% 18.94 0.30 71.3 (23.8) Fuel Substitution 40% 15.15 0.24 57.0 (38.0) DSI 50% 12.63 0.20 47.5 (47.5) WLS 90% 2.53 0.04 9.5 (85.5)

Control Type Estimated

Reduction NOx [lb/hr] NOx [lb/ton of clinker] NOx [tpy] Reduction

Present NOx BART 40% 268 4.45 901 Baseline

- 464.3 7.39 1,747.1 Water Injection 7% 431.8 6.87 1,624.8 (122.3) Firing TDF 10% 417.8 6.65 1,572.3 (174.7) LNB w/IDF 20% 371.4 5.91 1,397.6 (349.4) SNCR 40% 278.6 4.43 1,048.2 (698.8) SNCR (30-day roll) 45.00% 255.35 4.06 960.9 (786.2) Proposed BART limits SNCR (annual) 48.43% 239.4 3.81 901.0 (846.1)

# CEMEX Emissions

Pollutant Source Maximum 24-hr Avg Emission Rate [lb/hr] Allowable [tpy]* 2008 Actual [tpy]** 2008 Actual

[lbs/ton of Clinker] SO2 Raw Materials Dryer 19.4 36.7 0.89 0.004 NOx Raw Materials Dryer 13.9 10.41 0.04 PM10 Raw Materials Dryer 22.8 5.12 0.02 CO Raw Materials Dryer 57.3 2.98 0.01 SO2 Kiln and Flash Calciner 104 1,340.0 55.8 0.23 NOx Kiln and Flash Calciner 2,649.0 1295.5 5.41 PM10 Kiln and Flash Calciner 133.0 42.04 0.18 CO Kiln and Flash Calciner 396.0 345.1 1.44

Notes: VOC Emissions not included in the BART analysis because VOC is not a significant contributor to the formation of secondary organic carbon particulates * Allowable emissions from CEMEX Title V Operating Permit 95OPBO082 issued on 01 FEB 2000 and renewed on 01 MAR 2008 ** Actual emissions from APENs (submitted in 2009, based on 2008 production)

### % Reduction (actual -

allowable )/allowable 2008 Clinker Production (from Kiln APEN) [tpy] -97.6% 478,520 -25.1% 478,520 -77.5% 478,520 -94.8% 478,520 -95.8% 478,520 -51.1% 478,520 -68.4% 478,520 -12.9% 478,520

Notes: VOC Emissions not included in the BART analysis because VOC is not a significant contributor to the formation of secondary organic carbon particulates * Allowable emissions from CEMEX Title V Operating Permit 95OPBO082 issued on 01 FEB 2000 and renewed on 01 MAR 2008

# CEMEX Tire Derived Fuel (TDF) Performance Test Results

Performance test date: November 13 - 22, 2002 Performance test report date: 3/21/2003

Pollutant Fossil Fuel [ppm] TDF [ppm] % Change (TDFFF)/FF PM (M29 train) 8.8 9.7 10.2% PM (M26A train) 9.5 9.1 -4.2% NOx 517.7 391.2 **-24.4%** SOx 26.2 15.7 **-40.1%** THC 0.5 1.8 260.0% CO 50.3 120.2 139.0%

### Cemex Lime Addition to Kiln Feed - SO2 Cost Analysis

Direct Equipment Cost (silo & feed system) 2,000,000 $ Direct Installation Cost Indirect Costs **Total Capital Costs 2,000,000**  **$**

**Capital Recovery Costs 188,786**  **$ 7%, 20 years** 

Operating Labor Materials (CaO-lime) 4,612,608 $ (amended by Cemex 29 JUL 2010) Utilities **Total Annual O&M Costs 4,612,608**  **$**
Value of extra Clinker (@$40/ton) 1,161,216 $

Total Annualized Costs: 3,640,178 $

Baseline SO2 Emissions: 95.0 [tpy] SO2 Reduction from Lime Add: 25% (amended by Cemex 29 JUL 2010) SO2 Reduction from Lime Add: 23.8 [tpy] Lime Add Controlled SO2 Emissions: 71.3 [tpy]

Lime Add Control Cost: 153,271

$ [$/ton] Capital Costs

O&M Costs

### Cemex Firing w/TDF - Cost Analysis

Direct Equipment Cost 3,000,000 $ Direct Installation Cost Indirect Costs **Total Capital Costs 3,000,000**  **$**

**Capital Recovery Costs 283,179**  **$ 7%, 20 years** 

Fuel savings (300,000) annual 189,000 $ **Total O&M Costs (111,000)**  **$**

Total Annualized Costs: 172,179 $

Baseline SO2 Emissions: 95.0 [tpy] SO2 Reduction from Firing TDF: 40% SO2 Reduction from Firing TDF: 38.0 [tpy] Firing TDF Controlled SO2 Emissions: 57.0 [tpy]

Firing TDF Control Cost: 4,531 $ [$/ton]

Source: Jan. 15, 2007 Letter to J Geier from Amarjit Gill Capital Costs

O&M Costs

### Cemex Wet Lime Scrubbing - Cost Analysis

Direct Equipment Cost 8,482,500 $ Direct Installation Cost 7,210,125 $ Indirect Costs 2,968,875 $ **Total Capital Costs 18,661,500**  **$**

**Capital Recovery Costs 1,761,514**  **$ 7%, 20 years** 

Operating Labor 10,074 $ Maintenance Labor and Materials 17,520 $ Utilities-Electricity 571,180 $ Utilities-Limestone Slurry 5,235 $ Utilities-Water 103,202 $ Utilities-Sludge Disposal 60,293 $ corrected by Division to account for apparent error in the amount of sludge generated **Total O&M Costs 767,505**  **$**

Total Annualized Costs: 2,529,018 $

Baseline SO2 Emissions: 95.0 [tpy] SO2 Reduction from WLS: 90% SO2 Reduction from WLS: 85.5 [tpy] WLS Controlled SO2 Emissions: 9.5 [tpy]

WLS Control Cost: 29,579

$ [$/ton]

Original Cemex O&M Costs 767,505 $ Original Cemex Capital Recovery Costs 4,714,000 $ 7%, 8 years Original Cemex Annualized Costs **5,481,505 $** 

Original Baseline SO2 Emissions: 97.0 [tpy] Original SO2 Reduction from WLS: 90% Original SO2 Reduction from WLS: 87.3 [tpy] Original WLS Controlled SO2 Emissions: 9.7 [tpy]

Original WLS Control Cost: 62,789 $ O&M Costs Capital Costs

### Cemex Water Injection - Cost Analysis

Direct Equipment Cost 250,000 $ Direct Installation Cost Indirect Costs **Total Capital Costs 250,000**  **$**

**Capital Recovery Costs 23,598**  **$ 7%, 20 years** 

annual 20,000 $ **Total O&M Costs 20,000**  **$**

Total Annualized Costs: 43,598 $

Baseline NOx Emissions: 1,747.1 [tpy] NOx Reduction from Water Injection: 7% NOx Reduction from Water Injection: 122.3 [tpy] Water Injection Controlled NOx Emissions: 1,624.8 [tpy]

Water Injection Control Cost: 356 $ [$/ton]

Source: Jan. 15, 2007 Letter to J Geier from Amarjit Gill Capital Costs

O&M Costs

### Cemex Firing w/TDF - Cost Analysis

Direct Equipment Cost 3,000,000 $ Direct Installation Cost Indirect Costs **Total Capital Costs 3,000,000**  **$**

**Capital Recovery Costs 283,179**  **$ 7%, 20 years** 

Fuel savings (300,000) annual 189,000 $ **Total O&M Costs (111,000)**  **$**

Total Annualized Costs: 172,179 $

Baseline NOx Emissions: 1,747.1 [tpy] NOx Reduction from Firing TDF: 10% NOx Reduction from Firing TDF: 174.7 [tpy] Firing TDF Controlled NOx Emissions: 1,572.4 [tpy]

Firing TDF Control Cost: 986 $ [$/ton]

Source: Jan. 15, 2007 Letter to J Geier from Amarjit Gill Capital Costs

O&M Costs

### Cemex Indirect Firing with LNB - Cost Analysis

Direct Equipment Cost 7,000,000 $ Direct Installation Cost Indirect Costs **Total Capital Costs 7,000,000**  **$**

**Capital Recovery Costs 660,750**  **$ 7%, 20 years** 

annual 50,000 $ **Total O&M Costs 50,000**  **$**

Total Annualized Costs: 710,750 $

Baseline NOx Emissions: 1,747.1 [tpy] NOx Reduction from IF w/LNB: 20% NOx Reduction from IF w/LNB: 349.4 [tpy] IF w/LNB Controlled NOx Emissions: 1,397.7 [tpy]

IF w/LNB Control Cost: 2,034

$ [$/ton]

Source: Jan. 15, 2007 Letter to J Geier from Amarjit Gill Capital Costs

O&M Costs

### Cemex SNCR - Cost Analysis

Direct Equipment Cost 600,000 $ Direct Installation Cost Indirect Costs **Total Capital Costs 600,000**  **$**

**Capital Recovery Costs 56,636**  **$ 7%, 20 years** 

annual (@50% control) 1,580,000 $ **Total O&M Costs 1,580,000**  **$**

Total Annualized Costs: 1,636,636 $

Baseline NOx Emissions: 1,747.1 [tpy] NOx Reduction from SNCR: 48.43% NOx Reduction from SNCR: 846.1 [tpy] SNCR Controlled NOx Emissions: 901.0 [tpy]

SNCR Control Cost: 1,934

$ [$/ton]

Source: Jan. 15, 2007 Letter to J Geier from Amarjit Gill Capital Costs

O&M Costs

### Cemex LNB w/SNCR - Cost Analysis

Direct SNCR Equipment Cost 600,000 $ LNB Cost 527,150 $ estimated based on total annual cost provided by cemex Indirect Costs **Total Capital Costs 1,127,150**  **$**

**Capital Recovery Costs 106,395**  **$ 7%, 20 years** 

annual (@50% control) 1,580,000 $ **Total O&M Costs 1,580,000**  **$**

Total Annualized Costs: 1,686,395 $ Source: from Monica Sowders 27 OCT 2010 email

Baseline NOx Emissions: 1,747.1 [tpy] NOx Reduction from SNCR w/LNB: 55.00% * NOx Reduction from SNCR w/LNB: 960.9 [tpy] SNCR w/LNB Controlled NOx Emissions: 786.2 [tpy]

SNCR w/LNB Control Cost: 1,755 $ [$/ton] Capital Costs

O&M Costs

* Source: from Monica Sowders 27 OCT 2010, with caveat that LNB may actually increase NOx emissions