### Attachment 1

1 st 

### Quarter 2011

13 days in Upper Green River Basin

8

- hour average daily max > 75 ppb

Highest 8

- hour average daily max (ppb)

Date Wy Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

2/14/2011 64 59 63 87 67 58

2/15/2011 80 51 74 53 59 54

2/21/2011 50 46 46 76 52 45

3/1/2011 66 83 69 120 73 71

3/2/2011 79 89 75 123 94 72

3/3/2011 66 70 71 84 65 50

3/5/2011 66 80 63 103 76 55

3/6/2011 61 57 77 63 59 53

3/9/2011 55 76 56 74 67 52

3/10/2011 83 62 84 68 69 63

3/12/2011 57 56 56 121 85 53

3/14/2011 57 65 79 78 68 51

3/15/2011 63 65 67 75 85 51Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

2/14/2011 64 59 63 87 67 58

Scalar Wind Speed

(meters/second)Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

2/15/2011 80 51 74 53 59 54

Scalar Wind Speed

(meters/second)Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

2/21/2011 50 46 46 76 52 45

Scalar Wind Speed

(meters/second)Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

3/1/2011 66 83 69 120 73 71

Scalar Wind Speed

(meters/second)Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

3/2/2011 79 89 75 123 94 72

Scalar Wind Speed

(meters/second)Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

3/3/2011 66 70 71 84 65 50

Scalar Wind Speed

(meters/second)Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

3/5/2011 66 80 63 103 76 55

Scalar Wind Speed

(meters/second)Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

3/6/2011 61 57 77 63 59 53

Scalar Wind Speed

(meters/second)Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

3/9/2011 55 76 56 74 67 52

Scalar Wind Speed

(meters/second)Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

3/10/2011 83 62 84 68 69 63

Scalar Wind Speed

(meters/second)Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

3/12/2011 57 56 56 121 85 53

Scalar Wind Speed

(meters/second)Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

3/14/2011 57 65 79 78 68 51

Scalar Wind Speed

(meters/second)Highest 8

- hour average daily max (ppb)

Date Wy

Range Pinedale Daniel Boulder Juel

Springs Moxa

Arch

3/15/2011 63 65 67 75 85 51

Scalar Wind Speed

(meters/second)

### Attachment 2

### Attachment 3



### Moxa Arch Trajectory point coordinates (WGS

- 84, decimal degrees)

Latitude Longitude

Moxa 42.066 N 110.203 W

2008 1st Quarter

Moxa Arch Production Emissions (tons) *

County NOx VOCs

Sweetwater 29 418

Lincoln 57 1,388

Uinta 18 579

Total 104 2,385

* The as reported annual values were divided by

four (4) to get 1st Quarter emissions.