BethFriedmanFrom:French.Chuck@epamai.epa.govSent:Monday,November26,20121:50PMTo:BradleyNelson;Smith.Darcie@epamail.epa.gov;Chin.Conrad@epamail.epa.gov;friedman.beth@ecrweb.com;Boyd.Rochelle@epamaiLepa.govSubject:Fw:3811-07RevisedFelmanFugitiveReleaseHeightAttachments:3811-07-T-Fugitive_ReleaseHeightrev.xlsxSeebelowandattached.ForwardedbyChuckFrencRTP:USEPAiUSon11/26/201201:49PM-—-From:“LauraK.McAfee”<LMcAfeeibdlawcom>To:ChuckFrench/RTP/USEPA/US@EPACc:<JKonradyC8tfiwvcom>,<thillier(ipolicynavk1ation.com>Date:11/21/201204:07PMSubject:FW:3811-07RevisedFelmanFugitiveReleaseHeightChuck--Aswediscussedawhileago,attachedisatableoutliningthefugitivereleaseheightsfromalloftheopeningsidentifiedintheFelmandrawings.l’oaccountft)rtherelativesizeofeachopening,LANcalculatedthetotalareaofallopenings,thendeterminedeachopening’spercentcontributiontothefligitivereleaseheightbydividingeachopening’sareabythetotalareaof’allopenings.Thefugitivereleaseheightforthebuildingwasthendeterminedbysummingtheproductoftheheightofeachopeninganditspercentcontribution.LANperftwmedthisanalysisseparatelyforeachsideofthebuildingtodevelopeffectiveopeningheightsfortheNE,NW,SW,andSEsidesofthebuilding.Theoverallaveragefugitivereleaseheightwas12.33meters.Pleaseletmeknowifyouhaveanyquestionsorneedadditionalinformation.Thanks,andhaveahappyThanksgiving.Laura(Seeattached/lIe:3811-07-T-FugitiveReleaseHeightrev.xlsx,)

## Felman Production Inc. Letart, WV
Fugitive Release Height Calculations

LAN Associates Inc. Fugitive Release Height Calculations Ref. # 2.3811.07 November 19, 2012 

## Note: Height of opening is equal to height above ground plus half the width

Length Width Height of Opening Area
ft ft ft ft 2 B 20 20 10 400 89.29% 89.29% 3.79% E 6 8 34 48 10.71% 10.71% 0.45%

12.6 448



### Length Width Height of Opening Area ft ft ft ft 2 A 6 6 28 36 11.21% 1.34% 0.34% B 6 6 38 36 11.21% 1.34% 0.34% C 6 6 48 36 11.21% 1.34% 0.34% D 3 7 48.5 21 6.54% 0.78% 0.20% E 10 10 50 100 31.15% 3.72% 0.95% F 4 4 52 16 4.98% 0.60% 0.15% G 4 4 52 16 4.98% 0.60% 0.15% H 10 6 73 60 18.69% 2.23% 0.57%

50.4 321 

### Percent Contribution to NW Side Percent Contribution to NE Side 

## Road Side

Percent Contribution to Whole Building Percent Contribution to Whole Building



## Bag House Side (3/3)

Effective Height of Bag House Side (3/3) Openings (NW) Effective Height of Road Side Openings (NE) 

### Percent Contribution to Road Side

Percent Contribution

to Bag House Side (3/3)

## Felman Production Inc. Letart, WV
Fugitive Release Height Calculations

LAN Associates Inc. Fugitive Release Height Calculations Ref. # 2.3811.07 November 19, 2012 

### Length Width Height of Opening Area ft ft ft ft 2 A 15 8 22 120 6.92% 4.46% 1.14% B 15 8 22 120 6.92% 4.46% 1.14% C 15 8 22 120 6.92% 4.46% 1.14% D 3 7 3.5 21 1.21% 0.78% 0.20% E 15 8 22 120 6.92% 4.46% 1.14% F 2 2 9 4 0.23% 0.15% 0.04% G 15 8 22 120 6.92% 4.46% 1.14% H 15 8 22 120 6.92% 4.46% 1.14% K 15 8 22 120 6.92% 4.46% 1.14% O 15 8 22 120 6.92% 4.46% 1.14% P 6 8 59 48 2.77% 1.79% 0.45% Q 10 10 76 100 5.77% 3.72% 0.95% R 20 6 68 120 6.92% 4.46% 1.14% S 20 6 68 120 6.92% 4.46% 1.14% T 20 6 68 120 6.92% 4.46% 1.14% U 20 6 68 120 6.92% 4.46% 1.14% V 20 6 68 120 6.92% 4.46% 1.14%

41.8 1,733 

### Percent Contribution to NW Side Percent Contribution to Whole Building 

## Bag House Side (2/3) Percent Contribution

to Bag House Side (2/3)

Effective Height of Bag House Side (2/3) Openings (NW)

## Felman Production Inc. Letart, WV
Fugitive Release Height Calculations

LAN Associates Inc. Fugitive Release Height Calculations Ref. # 2.3811.07 November 19, 2012 

### Length Width Height of Opening Area ft ft ft ft 2 A 10 10 60 100 15.77% 3.72% 0.95% B 20 13 6.5 260 41.01% 9.67% 2.46% C 2 2 23 4 0.63% 0.15% 0.04% D 15 8 20 120 18.93% 4.46% 1.14% E 3 3 2 9 1.42% 0.33% 0.09% F 15 8 20 120 18.93% 4.46% 1.14% G 3 7 78.5 21 3.31% 0.78% 0.20%

22.5 634 Effective Height of Bag House Side (1/3) Openings (NW) 

### Percent Contribution to NW Side Percent Contribution to Whole Building 

## Bag House Side (1/3) Percent Contribution

to Bag House Side (1/3)

## Felman Production Inc. Letart, WV
Fugitive Release Height Calculations

LAN Associates Inc. Fugitive Release Height Calculations Ref. # 2.3811.07 November 19, 2012 

### Length Width Height of Opening Area ft ft ft ft 2 A 4 4 62 16 0.61% 0.61% 0.15% B 20 25 12.5 500 19.14% 19.14% 4.74% D 8 8 4 64 2.45% 2.45% 0.61% E 16 4 27 64 2.45% 2.45% 0.61% F 16 4 27 64 2.45% 2.45% 0.61% G 4 4 17 16 0.61% 0.61% 0.15% H 20 20 10 400 15.31% 15.31% 3.79% I 30 20 10 600 22.97% 22.97% 5.69% J 30 20 10 600 22.97% 22.97% 5.69% K 16 4 47 64 2.45% 2.45% 0.61% L 16 4 72 64 2.45% 2.45% 0.61% M 20 4 72 80 3.06% 3.06% 0.76% N 20 4 97 80 3.06% 3.06% 0.76%

18.5 2,612



### Length Width Height of Opening Area ft ft ft ft 2 A 15 8 7 120 28.57% 7.30% 1.14% B 15 20 10 300 71.43% 18.25% 2.84%

9.1 420 Effective Height of Hill Side Openings (SW)



### Percent Contribution to SE Side Percent Contribution to SW Side

Percent Contribution to Whole Building Percent Contribution to Whole Building



## Front Side (1/3) Hill Side

Percent Contribution

to Front Side (1/3) Percent Contribution to Hill Side

Effective Height of Front Side (1/3) Openings (SE)

## Felman Production Inc. Letart, WV
Fugitive Release Height Calculations

LAN Associates Inc. Fugitive Release Height Calculations Ref. # 2.3811.07 November 19, 2012 

### Length Width Height of Opening Area ft ft ft ft 2 B 3 8 4 24 4.48% 1.46% 0.23% C 15 20 10 300 55.97% 18.25% 2.84% D 6 8 4 48 8.96% 2.92% 0.45% E 7 8 4 56 10.45% 3.41% 0.53% T 8 6 31 48 8.96% 2.92% 0.45% U 6 10 33 60 11.19% 3.65% 0.57%
13.0 536



### Length Width Height of Opening Area ft ft ft ft 2 A 6 10 4 60 8.72% 3.65% 0.57% B 12 4 2 48 6.98% 2.92% 0.45% C 6 8 4 48 6.98% 2.92% 0.45% D 3 8 39 24 3.49% 1.46% 0.23% E 3 8 4 24 3.49% 1.46% 0.23% F 8 10 5 80 11.63% 4.87% 0.76% G 15 20 10 300 43.60% 18.25% 2.84% H 10 10 13 100 14.53% 6.08% 0.95% I 2 2 41 4 0.58% 0.24% 0.04%

9.3 688 

### Percent Contribution to SE Side Percent Contribution to SE Side

Percent Contribution to Whole Building Percent Contribution to Whole Building



## Front Side (3/3) Front Side (2/3)

Effective Height of Front Side (2/3) Openings (SE) 

### Percent Contribution to Front Side (3/3) Percent Contribution

to Front Side (2/3)

Effective Height of Front Side (2/3) Openings (SE)

## Felman Production Inc. Letart, WV
Fugitive Release Height Calculations

LAN Associates Inc. Fugitive Release Height Calculations Ref. # 2.3811.07 November 19, 2012 

### Length Width Height of Opening Area ft ft ft ft 2 RV1 19 20 80 380 3.60% RV2 20 20 80 400 3.79% RV3 20 20 80 400 3.79% RV4 20 20 80 400 3.79% RV5 19 20 80 380 3.60% RV6 20 20 80 400 3.79% RV7 20 20 80 400 3.79% RV8 20 20 80 400 3.79%

10,552 ft 2

40.46 ft 12.33 m

12.57 ft 3.83 m

38.27 ft 11.67 m

18.52 ft 5.64 m

10.49 ft 3.20 m Fugitive Release Height for SW side of Building Fugitive Release Height for SW side of Building Fugitive Release Height for NW side of Building Fugitive Release Height for NE side of Building 

## Summary
Total Area of Openings Fugitive Release Height For Whole Building 

## Roof Openings/Ventilators Percent Contribution to Whole Building