### EXISTING

**Standards MACT Floor**  **(lb/ton) Av** **erage**

**Percent Total Non-Hg HAP**  **Metals Av** **erage**

**Production Rate (tph)** **Total Non-Hg**

**HAP Metals lb/hr Limit**  Proposed 0.16 1.36 10.54 0.023 Alternate, Large Kilns 0.028 1.81 13.30 0.0068 Alternate, Small Kilns 0.063 NA NA 0.0068

NEW

**Standards MACT Floor**  **(lb/ton) Av** **erage**

**Percent Total Non-Hg HAP**  **Metals Av** **erage**

**Production Rate (tph)** **Total Non-Hg**

**HAP Metals lb/hr Limit**  Proposed 0.022 1.36 10.54 0.0032 Alternate, Large Kilns 0.018 1.36 10.54 0.0026 top source is a DIFF, using multipliers from DIFF data Alternate, Small Kilns 0.029 NA NA 0.0026

### top source is a DIFF, using multipliers from DIFF data**RTI**

**Inventory**

**- Kiln No**  **Test Date Run**  **Company Plant**  **Location (City**  **) Plant**  **Location State**  **APCD**

**Ty pe**  **PM (lb/hr)** 

### 508 5/26/2011 1 Acme Brick Elgin TX DIFF 0.21 508 5/26/2011 2 Acme Brick Elgin TX DIFF 0.06 508 5/26/2011 3 Acme Brick Elgin TX DIFF 0.13 526 12/21/2010 1 Belden Brick Company - Plant 2 Sugar CreekOH DIFF 0.12 526 12/21/2010 2 Belden Brick Company - Plant 2 Sugar CreekOH DIFF 0.30 526 12/21/2010 3 Belden Brick Company - Plant 2 Sugar CreekOH DIFF 0.15 527 7/26/2011 1 Belden Brick Company - Plant 3 Sugar CreekOH DIFF 1.24 527 7/26/2011 2 Belden Brick Company - Plant 3 Sugar CreekOH DIFF 1.50 527 7/26/2011 3 Belden Brick Company - Plant 3 Sugar CreekOH DIFF 1.05 543 9/17/2010 1 Boral Bricks, Inc - Augusta Plant 5 Augusta GADIFF 543 9/17/2010 2 Boral Bricks, Inc - Augusta Plant 5 Augusta GADIFF 0.21 543 9/17/2010 3 Boral Bricks, Inc - Augusta Plant 5 Augusta GADIFF 0.15 544 9/15/2010 1 Boral Bricks, Inc - Augusta Plant 4 Augusta GADIFF 0.79 544 9/15/2010 2 Boral Bricks, Inc - Augusta Plant 4 Augusta GADIFF 0.34 544 9/15/2010 3 Boral Bricks, Inc - Augusta Plant 4 Augusta GADIFF 0.78 558 11/15-16/2010 1 Boral Bricks, Inc. - Muskogee Plant MuskogeeOKDIFF 0.08 558 11/15-16/2010 2 Boral Bricks, Inc. - Muskogee Plant MuskogeeOKDIFF 0.07 558 11/15-16/2010 3 Boral Bricks, Inc. - Muskogee Plant MuskogeeOKDIFF 0.04 566 9/21/2010 1 Boral Bricks, Inc. - Salisbury Plant Salisbury NC DIFF 0.25 566 9/21/2010 2 Boral Bricks, Inc. - Salisbury Plant Salisbury NC DIFF 566 9/21/2010 3 Boral Bricks, Inc. - Salisbury Plant Salisbury NC DIFF 0.15 600 05/05/11 1 General Shale Brick, Inc. Spring CityTN DIFF 0.35 600 05/05/11 2 General Shale Brick, Inc. Spring CityTN DIFF 0.24 600 05/05/11 3 General Shale Brick, Inc. Spring CityTN DIFF 0.55 606 1/18/2011 1 General Shale Brick, Inc. Coosa (Rome)GADIFF 1.45 606 1/18/2011 2 General Shale Brick, Inc. Coosa (Rome)GADIFF 0.08 606 1/18/2011 3 General Shale Brick, Inc. Coosa (Rome)GADIFF 0.44 653 1/27/2011 1 Hanson Brick Elgin TX DIFF 0.30 653 1/27/2011 2 Hanson Brick Elgin TX DIFF 0.30 653 1/27/2011 3 Hanson Brick Elgin TX DIFF 0.35

655 12/29/2010 1 Hanson (formally Janock Brick Group) Corunna MI DIFF 2.23 655 12/29/2010 2 Hanson (formally Janock Brick Group) Corunna MI DIFF 4.08 655 12/29/2010 3 Hanson (formally Janock Brick Group) Corunna MI DIFF 3.15 676 8/17/2010 1 Hanson (formerly Jannock/US Brick) Mineral WellsTX DIFF 3.14 676 8/17/2010 2 Hanson (formerly Jannock/US Brick) Mineral WellsTX DIFF 2.05 676 8/17/2010 3 Hanson (formerly Jannock/US Brick) Mineral WellsTX DIFF 3.03

503 2/8/2011 1 Acme Brick Denton TX DIFF 0.14 503 2/8/2011 2 Acme Brick Denton TX DIFF 0.13 503 2/8/2011 3 Acme Brick Denton TX DIFF 0.13 547 7/13-14/2010 1 Boral Bricks, Inc. - Bessemer Plant 6 BessemerAL DIFF 0.51 547 7/13-14/2010 2 Boral Bricks, Inc. - Bessemer Plant 6 BessemerAL DIFF 0.51 547 7/13-14/2010 3 Boral Bricks, Inc. - Bessemer Plant 6 BessemerAL DIFF 0.06 548 7/13-14/2010 1 Boral Bricks, Inc. - Bessemer Plant 6 BessemerAL DIFF 0.51 548 7/13-14/2010 2 Boral Bricks, Inc. - Bessemer Plant 6 BessemerAL DIFF 0.51 548 7/13-14/2010 3 Boral Bricks, Inc. - Bessemer Plant 6 BessemerAL DIFF 0.06 568 11/17/2010 1 Boral Bricks, Inc. - Union City Plant Union CityOKDIFF 568 11/17/2010 2 Boral Bricks, Inc. - Union City Plant Union CityOKDIFF 0.14 568 11/17/2010 3 Boral Bricks, Inc. - Union City Plant Union CityOKDIFF 0.27**Total Non-Hg**

**Metals (lb/hr) Run %** **Total Non-Hg Metals of PM**  **Production Rate (tph) Removed Runs Rational**  

### 2.13E-03 1.02 14.61 4.23E-03 7.04 14.61 1.77E-03 1.36 14.61 1.39E-03 1.12 5.19 1.20E-03 0.39 5.19 8.64E-04 0.56 5.19 4.46E-03 0.36 7.06 3.11E-03 0.21 7.06 3.59E-03 0.34 7.06 2.05E-03 PM mass issue Mn contamination 2.23E-03 1.49 14.65 2.10E-03 0.27 6.75 1.65E-03 0.49 6.75 2.04E-03 0.26 6.75 3.52E-03 4.69 11.39 1.21E-03 1.84 11.39 6.40E-04 1.75 11.39 5.88E-03 2.39 20.26 2.96E-03 PM mass issue Mn contamination 1.50E-03 0.43 12.00 1.60E-03 0.66 12.00 1.96E-03 0.36 12.00 3.33E-03 0.23 16.80 3.37E-03 4.43 16.80 Mn contamination Mn contamination 1.16E-03 0.39 6.67 1.80E-03 0.51 6.67

4.65E-03 0.21 7.97 not in top 27 of PM rank 4.74E-03 0.12 7.97 not in top 27 of PM rank 5.34E-03 0.17 7.97 not in top 27 of PM rank 4.40E-03 0.14 7.70 not in top 27 of PM rank Mn contamination; not in top 27 of PM rank 4.25E-03 0.14 7.70 not in top 27 of PM rank

8.46E-04 0.60 9.53 Mn contamination of 2 or more runs Mn contamination of 2 or more runs Mn contamination of 2 or more runs Mn contamination of 2 or more runs 2.80E-04 0.05 12.40 Mn contamination of 2 or more runs Mn contamination of 2 or more runs Mn contamination of 2 or more runs 2.80E-04 0.05 12.40 Mn contamination of 2 or more runs Mn contamination of 2 or more runs Mn contamination of 2 or more runs 1.34E-03 0.97 11.88 Mn contamination of 2 or more runs Mn contamination of 2 or more runs

1.36 10.54**PM lb/ton Rank**

**by Avg**  

### 6 6 6 25 25 25 26 26 26 15 15 15 18 18 18 13 13 13 24 24 24 8 8 8 16 16 16 20 20 20

31 31 31 30 30 30

7 7 7 21 21 21 22 22 22 10 10 10**RTI**

**Inventory**

**- Kiln No** **Test Date Run**  **Company Plant Location (City** **) Plant**  **Location State**  **APCD**

**Ty pe**  **PM lb/hr Total Non** 

**Hg Metals (lb/hr)**  508 5/26/2011 1 Acme BrickElgin TX DIFF 0.21 2.13E-03 508 5/26/2011 2 Acme BrickElgin TX DIFF 0.06 4.23E-03 508 5/26/2011 3 Acme BrickElgin TX DIFF 0.13 1.77E-03 600 05/05/11 1 General Shale Brick, Inc. Spring City TN DIFF 0.35 1.50E-03 600 05/05/11 2 General Shale Brick, Inc. Spring City TN DIFF 0.24 1.60E-03 600 05/05/11 3 General Shale Brick, Inc. Spring City TN DIFF 0.55 1.96E-03

526 12/21/2010 1 Belden Brick Company - Plant 2 Sugar Creek OH DIFF 0.12 1.39E-03 526 12/21/2010 2 Belden Brick Company - Plant 2 Sugar Creek OH DIFF 0.30 1.20E-03 526 12/21/2010 3 Belden Brick Company - Plant 2 Sugar Creek OH DIFF 0.15 8.64E-04 527 7/26/2011 1 Belden Brick Company - Plant 3 Sugar Creek OH DIFF 1.24 4.46E-03 527 7/26/2011 2 Belden Brick Company - Plant 3 Sugar Creek OH DIFF 1.50 3.11E-03 527 7/26/2011 3 Belden Brick Company - Plant 3 Sugar Creek OH DIFF 1.05 3.59E-03 543 9/17/2010 1 Boral Bricks, Inc - Augusta Plants 3, 4, & 5 Augusta GA DIFF 2.05E-03 543 9/17/2010 2 Boral Bricks, Inc - Augusta Plants 3, 4, & 5 Augusta GA DIFF 0.21 543 9/17/2010 3 Boral Bricks, Inc - Augusta Plants 3, 4, & 5 Augusta GA DIFF 0.15 2.23E-03 544 9/15/2010 1 Boral Bricks, Inc - Augusta Plants 3, 4, & 5 Augusta GA DIFF 0.79 2.10E-03 544 9/15/2010 2 Boral Bricks, Inc - Augusta Plants 3, 4, & 5 Augusta GA DIFF 0.34 1.65E-03 544 9/15/2010 3 Boral Bricks, Inc - Augusta Plants 3, 4, & 5 Augusta GA DIFF 0.78 2.04E-03

558 11/15-16/2010 1 Boral Bricks, Inc. - Muskogee Plant Muskogee OK DIFF 0.08 3.52E-03

558 11/15-16/2010 2 Boral Bricks, Inc. - Muskogee Plant Muskogee OK DIFF 0.07 1.21E-03

558 11/15-16/2010 3 Boral Bricks, Inc. - Muskogee Plant Muskogee OK DIFF 0.04 6.40E-04 566 9/21/2010 1 Boral Bricks, Inc. - Salisbury Plant Salisbury NC DIFF 0.25 5.88E-03 566 9/21/2010 2 Boral Bricks, Inc. - Salisbury Plant Salisbury NC DIFF 2.96E-03 566 9/21/2010 3 Boral Bricks, Inc. - Salisbury Plant Salisbury NC DIFF 0.15 606 1/18/2011 1 General Shale Brick, Inc. Coosa (Rome) GA DIFF 1.45 3.33E-03 606 1/18/2011 2 General Shale Brick, Inc. Coosa (Rome) GA DIFF 0.08 3.37E-03 606 1/18/2011 3 General Shale Brick, Inc. Coosa (Rome) GA DIFF 0.44 653 1/27/2011 1 Hanson Brick Elgin TX DIFF 0.30 653 1/27/2011 2 Hanson Brick Elgin TX DIFF 0.30 1.16E-03 653 1/27/2011 3 Hanson Brick Elgin TX DIFF 0.35 1.80E-03 655 12/29/2010 1 Hanson (formally Janock Brick Group) Corunna MI DIFF 2.23 4.65E-03 655 12/29/2010 2 Hanson (formally Janock Brick Group) Corunna MI DIFF 4.08 4.74E-03 655 12/29/2010 3 Hanson (formally Janock Brick Group) Corunna MI DIFF 3.15 5.34E-03 676 8/17/2010 1 Hanson (formerly Jannock/US Brick) Mineral Wells TX DIFF 3.14 4.40E-03 676 8/17/2010 2 Hanson (formerly Jannock/US Brick) Mineral Wells TX DIFF 2.05 676 8/17/2010 3 Hanson (formerly Jannock/US Brick) Mineral Wells TX DIFF 3.03 4.25E-03 720 5/8/2007 1 Pacific Coast Building Products (formerly Interstate Brick) West Jordan UT WS 4.70 1.04E-02 720 5/8/2007 2 Pacific Coast Building Products (formerly Interstate Brick) West Jordan UT WS 4.65 9.42E-03 721 05/08/07 1 Pacific Coast Building Products (formerly Interstate Brick) West Jordan UT WS 2.43 4.88E-02 721 05/08/07 2 Pacific Coast Building Products (formerly Interstate Brick) West Jordan UT WS 1.52 9.08E-03

503 2/8/2011 1 Acme BrickDenton TX DIFF 0.14 8.46E-04 503 2/8/2011 2 Acme BrickDenton TX DIFF 0.13 503 2/8/2011 3 Acme BrickDenton TX DIFF 0.13 568 11/17/2010 1 Boral Bricks, Inc. - Union City Plant Union City OK DIFF 568 11/17/2010 2 Boral Bricks, Inc. - Union City Plant Union City OK DIFF 0.14 1.34E-03 568 11/17/2010 3 Boral Bricks, Inc. - Union City Plant Union City OK DIFF 0.27 547 7/13-14/2010 1 Boral Bricks, Inc. - Bessemer Plant 6 Bessemer AL DIFF 0.51 547 7/13-14/2010 2 Boral Bricks, Inc. - Bessemer Plant 6 Bessemer AL DIFF 0.51 2.80E-04547 7/13-14/2010 3 Boral Bricks, Inc. - Bessemer Plant 6 Bessemer AL DIFF 0.06 548 7/13-14/2010 1 Boral Bricks, Inc. - Bessemer Plant 6 Bessemer AL DIFF 0.51 548 7/13-14/2010 2 Boral Bricks, Inc. - Bessemer Plant 6 Bessemer AL DIFF 0.51 2.80E-04 548 7/13-14/2010 3 Boral Bricks, Inc. - Bessemer Plant 6 Bessemer AL DIFF 0.06**Run %**

**Total Non Hg Metals**  **of PM Production** 

**Rate (tph) Removed Runs Rational**  **Rank by UPL**  1.02 14.61 5 7.04 14.61 5 1.36 14.61 5 0.43 12.00 9 0.66 12.00 9 0.36 12.00 9

1.12 5.19 not in top 9 of PM rank 35 0.39 5.19 not in top 9 of PM rank 35 0.56 5.19 not in top 9 of PM rank 35 0.36 7.06 not in top 9 of PM rank 36 0.21 7.06 not in top 9 of PM rank 36 0.34 7.06 not in top 9 of PM rank 36

PM mass issue; not in top 9 of PM rank 20 Mn contamination; not in top 9 of PM rank 20 1.49 14.65not in top 9 of PM rank 20 0.27 6.75 not in top 9 of PM rank 23 0.49 6.75 not in top 9 of PM rank 23 0.26 6.75 not in top 9 of PM rank 23

4.69 11.39not in top 9 of PM rank 14

1.84 11.39not in top 9 of PM rank 14

1.75 11.39not in top 9 of PM rank 14 2.39 20.26not in top 9 of PM rank 32

PM mass issue; not in top 9 of PM rank 32 Mn contamination; not in top 9 of PM rank 32 0.23 16.80not in top 9 of PM rank 21 4.43 16.80not in top 9 of PM rank 21

Mn contamination; not in top 9 of PM rank 21 Mn contamination; not in top 9 of PM rank 27 0.39 6.67 not in top 9 of PM rank 27 0.51 6.67 not in top 9 of PM rank 27 0.21 7.97 not in top 9 of PM rank 57 0.12 7.97 not in top 9 of PM rank 57 0.17 7.97 not in top 9 of PM rank 57 0.14 7.70 not in top 9 of PM rank 55

Mn contamination; not in top 9 of PM rank 55 0.14 7.70 not in top 9 of PM rank 55 0.22 6.47 not in top 9 of PM rank 62 0.20 6.47 not in top 9 of PM rank 62 2.01 14.61 not in top 9 of PM rank 42 0.60 14.61 not in top 9 of PM rank 42

0.60 9.53 Mn contamination of 2 or more runs 7

Mn contamination of 2 or more runs 7 Mn contamination of 2 or more runs 7 Mn contamination of 2 or more runs 11 0.97 11.88Mn contamination of 2 or more runs 11

Mn contamination of 2 or more runs 11 Mn contamination of 2 or more runs 28 0.05 12.40Mn contamination of 2 or more runs 2812.40Mn contamination of 2 or more runs 28 11.99Mn contamination of 2 or more runs 29 0.05 12.40Mn contamination of 2 or more runs 29

Mn contamination of 2 or more runs 29

1.81 13.30**RTI**

**Inventory**

**- Kiln No** **Test Date Run**  **Company Plant Location (City** **) Plant**  **Location State**  **APCD**

**Ty pe**  **PM lb/hr Total Non** 

**Hg Metals (lb/hr)**  531 7/28/2010 1 Belden Brick Company - Plant 8 Sugar Creek OH SD/ESP 0.13 3.72E-02 531 7/28/2010 2 Belden Brick Company - Plant 8 Sugar Creek OH SD/ESP 0.23 2.21E-02 531 7/28/2010 3 Belden Brick Company - Plant 8 Sugar Creek OH SD/ESP 0.33 2.59E-02 532 7/28/2010 1 Belden Brick Company - Plant 8 Sugar Creek OH SD/ESP 0.13 3.72E-02 532 7/28/2010 2 Belden Brick Company - Plant 8 Sugar Creek OH SD/ESP 0.23 2.21E-02 532 7/28/2010 3 Belden Brick Company - Plant 8 Sugar Creek OH SD/ESP 0.33 2.59E-02**Run %**

**Total Non Hg Metals**  **of PM Production** 

**Rate (tph) Removed Runs Rational**  **Rank by UPL**  29.07 5.47 not in top 3 of PM rank 6 9.77 5.47 not in top 3 of PM rank 6 7.94 5.47 not in top 3 of PM rank 6 29.07 5.47 not in top 3 of PM rank 7 9.77 5.47 not in top 3 of PM rank 7 7.94 5.47 not in top 3 of PM rank 7