UNITED STATES ENVIRONMENTAL PROTECTION AGENCY DESIGN VALUE REPORT Aug. 12, 2010 Report Request ID: 780965 Report Code: AMP480

Selection Criteria Page 1 User ID: HDY

State County City

Site Parameter POC AQCR UAR CBSA CSA EPA Region Method Duration Begin Date End Date 30 GEOGRAPHIC SELECTIONS

PROTOCOL SELECTIONS Parameter Classification Parameter Method Duration DESIGN VALUE SELECTED OPTIONS
USER SITE METADATA MERGE PDF FILES QUARTERLY DATA IN WORKFILE WORKFILE DELIMITER SINGLE EVENT PROCESSING Option Type Option Value STREET ADDRESS YES NO , EXCLUDE REGIONALLY CONCURRED EVENTS GLOBAL DATES 1999 Start Date End Date 2009 Tribal

APPLICABLE STANDARDS Standard Description Ozone 8-Hour 2008 PM10 24-hour 2006 PM25 24-hour 2006 PM25 Annual 2006UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 1 of 69 

### Pollutant: Standard Units: .075 Level: Ozone 8-Hour 2008 NAAQS Standard: Annual 4th Maximum Statistic:

1 Poc 114 Valid Days 93 Percent Complete .058

4th Max Cert 118

Valid Days 97 Percent Complete .058

4th Max Cert 107

Valid Days 88 Percent Complete .052

4th Max Cert 93

Percent Complete .056

Design Value Y

D. V. Validity 

### Ozone(44201) Parts per million(007)

Site ID | | | | | | | | | | | | 30-029-8001 

### REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. Design Value Year: 1999

STREET ADDRESS 1998 1997 

### Montana State:

GLACIER NATIONAL PARK 1999 3 - YearUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 2 of 69 

### Pollutant: Standard Units: .075 Level: Ozone 8-Hour 2008 NAAQS Standard: Annual 4th Maximum Statistic:

1 Poc 111 Valid Days 91 Percent Complete .056

4th Max Y

Cert 114

Valid Days 93 Percent Complete .058

4th Max Cert 118

Valid Days 97 Percent Complete .058

4th Max Cert 94

Percent Complete .057

Design Value Y

D. V. Validity 

### Ozone(44201) Parts per million(007)

Site ID | | | | | | | | | | | | 30-029-8001 

### REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. Design Value Year: 2000

STREET ADDRESS 1999 1998 

### Montana State:

GLACIER NATIONAL PARK 2000 3 - YearUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 3 of 69 

### Pollutant: Standard Units: .075 Level: Ozone 8-Hour 2008 NAAQS Standard: Annual 4th Maximum Statistic:

1 1 Poc 118 113 Valid Days 97

93 Percent Complete .049

.057 4th Max Y

Cert 111

Valid Days 91 Percent Complete .056

4th Max Y

Cert 114

Valid Days 93 Percent Complete .058

4th Max Cert 94

31 Percent Complete .054

.057 Design Value Y

N D. V. Validity 

### Ozone(44201) Parts per million(007)

Site ID | | | | | | | | | | | | 30-029-8001 30-063-0036 

### REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. Design Value Year: 2001

STREET ADDRESS 2000 1999 

### Montana State:

GLACIER NATIONAL PARK DUCHARME AND MAIN STREET 2001 3 - YearUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 4 of 69 

### Pollutant: Standard Units: .075 Level: Ozone 8-Hour 2008 NAAQS Standard: Annual 4th Maximum Statistic:

1 1 Poc 120 112 Valid Days 98

92 Percent Complete .052

.055 4th Max Y

Cert 118

113 Valid Days 97

93 Percent Complete .049

.057 4th Max Y

Cert 111

Valid Days 91 Percent Complete .056

4th Max Y

Cert 95

61 Percent Complete .052

.056 Design Value Y

N D. V. Validity 

### Ozone(44201) Parts per million(007)

Site ID | | | | | | | | | | | | 30-029-8001 30-063-0036 

### REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. Design Value Year: 2002

STREET ADDRESS 2001 2000 

### Montana State:

GLACIER NATIONAL PARK DUCHARME AND MAIN STREET 2002 3 - YearUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 5 of 69 

### Pollutant: Standard Units: .075 Level: Ozone 8-Hour 2008 NAAQS Standard: Annual 4th Maximum Statistic:

1 1 Poc 113 Valid Days 93 Percent Complete .061

4th Max Y

Cert 120

112 Valid Days 98

92 Percent Complete .052

.055 4th Max Y

Cert 118

113 Valid Days 97

93 Percent Complete .049

.057 4th Max Y

Cert 96

61 Percent Complete .054

.056 Design Value Y

N D. V. Validity 

### Ozone(44201) Parts per million(007)

Site ID | | | | | | | | | | | | 30-029-8001 30-063-0036 

### REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. Design Value Year: 2003

STREET ADDRESS 2002 2001 

### Montana State:

GLACIER NATIONAL PARK DUCHARME AND MAIN STREET 2003 3 - YearUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 6 of 69 

### Pollutant: Standard Units: .075 Level: Ozone 8-Hour 2008 NAAQS Standard: Annual 4th Maximum Statistic:

1 1 Poc 120 Valid Days 98 Percent Complete .054

4th Max Y

Cert 113

Valid Days 93 Percent Complete .061

4th Max Y

Cert 120

112 Valid Days 98

92 Percent Complete .052

.055 4th Max Y

Cert 96

31 Percent Complete .055

.055 Design Value Y

N D. V. Validity 

### Ozone(44201) Parts per million(007)

Site ID | | | | | | | | | | | | 30-029-8001 30-063-0036 

### REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. Design Value Year: 2004

STREET ADDRESS 2003 2002 

### Montana State:

GLACIER NATIONAL PARK DUCHARME AND MAIN STREET 2004 3 - YearUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 7 of 69 

### Pollutant: Standard Units: .075 Level: Ozone 8-Hour 2008 NAAQS Standard: Annual 4th Maximum Statistic:

1 1 Poc 121 122 Valid Days 99

100 Percent Complete .057

.058 4th Max Y

Y Cert 120

Valid Days 98 Percent Complete .054

4th Max Y

Cert 113

Valid Days 93 Percent Complete .061

4th Max Y

Cert 97

33 Percent Complete .057

.058 Design Value Y

N D. V. Validity 

### Ozone(44201) Parts per million(007)

Site ID | | | | | | | | | | | | 30-029-8001 30-111-0086 

### REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. Design Value Year: 2005

STREET ADDRESS 2004 2003 

### Montana State:

GLACIER NATIONAL PARK SHEPHERD BUS BARN 2005 3 - YearUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 8 of 69 

### Pollutant: Standard Units: .075 Level: Ozone 8-Hour 2008 NAAQS Standard: Annual 4th Maximum Statistic:

1 1 Poc 114 122 Valid Days 93

100 Percent Complete .059

.062 4th Max Y

Cert 121

122 Valid Days 99

100 Percent Complete .057

.058 4th Max Y

Y Cert 120

Valid Days 98 Percent Complete .054

4th Max Y

Cert 97

67 Percent Complete .056

.060 Design Value Y

N D. V. Validity 

### Ozone(44201) Parts per million(007)

Site ID | | | | | | | | | | | | 30-029-8001 30-111-0086 

### REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. Design Value Year: 2006

STREET ADDRESS 2005 2004 

### Montana State:

GLACIER NATIONAL PARK SHEPHERD BUS BARN 2006 3 - YearUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 9 of 69 

### Pollutant: Standard Units: .075 Level: Ozone 8-Hour 2008 NAAQS Standard: Annual 4th Maximum Statistic:

1 1 Poc 103 119 Valid Days 84

98 Percent Complete .054

.057 4th Max Y

Y Cert 114

122 Valid Days 93

100 Percent Complete .059

.062 4th Max Y

Cert 121

122 Valid Days 99

100 Percent Complete .057

.058 4th Max Y

Y Cert 92

99 Percent Complete .056

.059 Design Value Y

Y D. V. Validity 

### Ozone(44201) Parts per million(007)

Site ID | | | | | | | | | | | | 30-029-8001 30-111-0086 

### REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. Design Value Year: 2007

STREET ADDRESS 2006 2005 

### Montana State:

GLACIER NATIONAL PARK SHEPHERD BUS BARN 2007 3 - YearUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 10 of 69 

### Pollutant: Standard Units: .075 Level: Ozone 8-Hour 2008 NAAQS Standard: Annual 4th Maximum Statistic:

1 1 1 Poc 120 0 Valid Days 98 Percent Complete .057

.038 4th Max Cert 103

119 Valid Days 84

98 Percent Complete .054

.057 4th Max Y

Y Cert 114

122 Valid Days 93

100 Percent Complete .059

.062 4th Max

Y

Cert 92

66 Percent Complete .056

.038 .059 Design Value Y

N N D. V. Validity 

### Ozone(44201) Parts per million(007)

Site ID | | | | | | | | | | | | 30-029-8001 30-083-0001 30-111-0086 

### REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. Design Value Year: 2008

STREET ADDRESS 2007 2006 

### Montana State:

GLACIER NATIONAL PARK 15 miles NW of Sidney SHEPHERD BUS BARN 2008

* 3 - YearUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 11 of 69 

### Pollutant: Standard Units: .075 Level: Ozone 8-Hour 2008 NAAQS Standard: Annual 4th Maximum Statistic:

1 1 1 1 Poc 117 112 109 Valid Days 96

92 89 Percent Complete .055

.058 .058 4th Max Cert 120

0 Valid Days 98 Percent Complete .057

.038 4th Max Cert 103

119 Valid Days 84

98 Percent Complete .054

.057 4th Max Y

Y Cert 93

31 30 33 Percent Complete .055

.058 .048 .057 Design Value Y

N N N D. V. Validity 

### Ozone(44201) Parts per million(007)

Site ID | | | | | | | | | | | | 30-029-8001 30-035-1001 30-083-0001 30-111-0086 

### REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. Design Value Year: 2009

STREET ADDRESS 2008 2007 

### Montana State:

GLACIER NATIONAL PARK Glacier National Park - portable ozone unit 15 miles NW of Sidney SHEPHERD BUS BARN 2009

* 3 - YearUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 12 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 1999

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 1999 1998 1997

30-029-0039 30-029-0043 30-029-0047 30-049-0018 30-053-0018 30-063-0024 30-063-0031 30-093-0005 30-111-1065 WHITEFISH - MARKUS FOODS, 9 BAKER AVENUE EVERGREEN FIRESTATION 2236 HWY 2 E KSPL FLATHEAD ELEC/CENTER ST & WOODLAND AVE LINCOLN SCHOOL PARKING LOT, 1325 POPLAR COUNTY COURTHOUSE ANNEX - LIBBY BOYD PARK, 3100 WASHBURN HEALTH DEPT, 301 WEST ALDER GREELEY SCHOOL, SILVER BOW BLVD BLAQTC - LOCKWOOD PARK, OLD HARDIN ROAD 91 50 54 101 86 103 90 100 108 2

1 1 3 1 3 2 3 4 27.3 23.7 19.9 20.4 52.3 24.2 29.3 34.5 16.6 *

*

*

*

*

*

* 10.5 9.2 6.7 6.3 15.9 9.0 9.8 7.3 8.0 *

*

*

*

*

*

* N N N N N N N N N *

*

*

*

*

*

*

*

* *

*

*

*

*

*

*

*

* 27

24 20 20 52 24 29 35 17 N N N N N N N N N 10.5

9.2 6.7 6.3 15.9 9.0 9.8 7.3 8.0 N N N N N N N N NUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 13 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2000

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2000 1999 1998

30-047-0013 30-047-0028 30-087-0307 30-013-1026 30-029-0039 30-029-0043 30-029-0047 30-031-0008 30-049-0018 30-053-0018 30-063-0024 30-063-0031 RONAN PARK POLSON SADDLE SHOP, 1ST STREET & 4TH AVE INTERSECTION OF HWY 212 & 39, LAME DEER GT FALLS HIGHSCHOOL CRN 3RD S & 17TH E WHITEFISH - MARKUS FOODS, 9 BAKER AVENUE EVERGREEN FIRESTATION 2236 HWY 2 E KSPL FLATHEAD ELEC/CENTER ST & WOODLAND AVE BELGRADE CONAGRA,100 S BROADWAY,BELGRAD LINCOLN SCHOOL PARKING LOT, 1325 POPLAR COUNTY COURTHOUSE ANNEX - LIBBY BOYD PARK, 3100 WASHBURN HEALTH DEPT, 301 WEST ALDER 117 118 98 111 111

107 112 117 102 112 106 4

4 3 4 3

3 3 4 3 4 3 33.1 32.2 20.4 27.6 28.9

26.5 51.4 41.1 43.6 49.1 53.1 *

*

* 11.3 12.0 8.2 7.5 11.5

9.0 11.3 10.5 17.1 13.4 15.2 *

*

*

*

* N N N N N

N N N N N N 91 50 54

101 86 103 90 2

1 1

3 1 3 2 27.3 23.7 19.9

20.4 52.3 24.2 29.3 *
*
*

*

*
* 10.5 9.2 6.7

6.3 15.9 9.0 9.8 *

*

*

*

*

*

*

*

*

*

* N N N

N N N N *

*

*

*

*

*

*

*

*

*

*

* 33

32 20 28 28 24 23 51 31 48 37 41 N N N N N N N N N N N N 11.3 12.0 8.2 7.5 11.0 9.2 7.8 11.3 8.4 16.5 11.2 12.5 N

N N N N N N N N N N NUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 14 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2000

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2000 1999 1998

30-081-0001 30-089-0007 30-093-0005 30-111-1065 RAVALLI COUNTY COURTHOUSE, 205 BEDFORD THOMPSON FALLS HIGH SCHL 1M N OF HWY 200 GREELEY SCHOOL, SILVER BOW BLVD BLAQTC - LOCKWOOD PARK, OLD HARDIN ROAD 102 115 92 117 3

4 2 4 109.3 17.5 62.8 27.6 15.9

6.9 13.5 8.5 * N

N N N 100 108 3

4 34.5 16.6 * 7.3

8.0 *

*

* N N *

*

*

* 109

18 49 22 N N N N 15.9

6.9 10.4 8.2 N N N NUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 15 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2001

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2001 2000 1999

30-047-0013 30-047-0028 30-087-0307 30-013-1026 30-029-0009 30-029-0039 30-029-0043 30-029-0047 30-031-0008 30-049-0018 30-049-0025 30-053-0018 RONAN PARK POLSON SADDLE SHOP, 1ST STREET & 4TH AVE INTERSECTION OF HWY 212 & 39, LAME DEER GT FALLS HIGHSCHOOL CRN 3RD S & 17TH E END OF 10TH ST WHITEFISH - MARKUS FOODS, 9 BAKER AVENUE EVERGREEN FIRESTATION 2236 HWY 2 E KSPL FLATHEAD ELEC/CENTER ST & WOODLAND AVE BELGRADE CONAGRA,100 S BROADWAY,BELGRAD LINCOLN SCHOOL PARKING LOT, 1325 POPLAR LINCOLN 1ST BANK;DOWNTOWN US HWY 200 COUNTY COURTHOUSE ANNEX - LIBBY 115 113 106 113 31 10

115 112 110 29 109 4

4 4 4 1 0

4 4 4 2 3 29.2 29.0 13.7 17.3 36.7 23.3

25.8 32.8 37.6 28.7 45.0 *

* 9.4 9.9 7.0 5.4 11.4 15.2

8.3 8.9 8.7 8.8 16.2 *

*

*

* N N N Y Y Y

Y N Y N Y 117 118 98 111

111

107 112 117

102 4

4 3 4

3

3 3 4

3 33.1 32.2 20.4 27.6

28.9

26.5 51.4 41.1

43.6 *

*

* 11.3 12.0 8.2 7.5

11.5

9.0 11.3 10.5

17.1 *

*

*

*

*

*

* N N N N

N

N N N

N 91 50 54

101

86 2

1 1

3

1 27.3 23.7 19.9

20.4

52.3 *

*

*

* 10.5 9.2 6.7

6.3

15.9 *

*

*

*

*

*

*

*

*

*

* N N N

N

N 31

31 17 22 37 27 24 24 42 33 29 47 N N N N N N N N N N N Y 10.3 10.9 7.6 6.4 11.4 12.4 9.2 8.0 10.1 8.5 8.8 16.4 N

N N N N N N N N N N YUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 16 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2001

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2001 2000 1999

30-063-0024 30-063-0031 30-081-0001 30-089-0007 30-093-0005 30-111-1065 BOYD PARK, 3100 WASHBURN HEALTH DEPT, 301 WEST ALDER RAVALLI COUNTY COURTHOUSE, 205 BEDFORD THOMPSON FALLS HIGH SCHL 1M N OF HWY 200 GREELEY SCHOOL, SILVER BOW BLVD BLAQTC - LOCKWOOD PARK, OLD HARDIN ROAD 119 113 110 108 104 117 4

4 4 4 4 4 40.9 43.7 34.1 15.8 22.3 23.4 10.5

10.4 9.1 6.3 7.0 7.5 Y

N Y Y Y Y 112 106 102 115 92 117 4

3 3 4 2 4 49.1 53.1 109.3 17.5 62.8 27.6 13.4

15.2 15.9 6.9 13.5 8.5 * N

N N N N N 103 90

100 108 3

2

3 4 24.2 29.3

34.5 16.6 *

*

* 9.0 9.8

7.3 8.0 *

*

*

*

* N N

N N 38

42 72 17 40 23 Y Y N N Y Y 10.9 11.8 12.5 6.6 9.3 8.0 N N N N N YUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 17 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2002

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2002 2001 2000

30-047-0013 30-047-0028 30-087-0307 30-013-1026 30-029-0009 30-029-0039 30-029-0047 30-031-0008 30-049-0018 30-049-0025 30-053-0018 30-063-0012 RONAN PARK POLSON SADDLE SHOP, 1ST STREET & 4TH AVE INTERSECTION OF HWY 212 & 39, LAME DEER GT FALLS HIGHSCHOOL CRN 3RD S & 17TH E END OF 10TH ST WHITEFISH - MARKUS FOODS, 9 BAKER AVENUE FLATHEAD ELEC/CENTER ST & WOODLAND AVE BELGRADE CONAGRA,100 S BROADWAY,BELGRAD LINCOLN SCHOOL PARKING LOT, 1325 POPLAR LINCOLN 1ST BANK;DOWNTOWN US HWY 200 COUNTY COURTHOUSE ANNEX - LIBBY HALF MILE NORTH HWY 200 117 122 106 117 100

111 107 108 60 114 47 4

4 4 4 2

4 4 4 4 4 1 20.9 28.8 19.1 17.6 28.4

23.8 25.0 17.8 44.6 46.6 26.0 *

* 7.6 8.2 6.2 5.3 9.3

7.7 7.4 6.5 11.1 16.0 9.7 *

*

* N N N Y Y

Y Y Y Y Y Y 115 113 106 113 31 10 115 112 110 29 109 4

4 4 4 1 0 4 4 4 2 3 29.2 29.0 13.7 17.3 36.7 23.3 25.8 32.8 37.6 28.7 45.0 *

* 9.4 9.9 7.0 5.4 11.4 15.2 8.3 8.9 8.7 8.8 16.2 *

*

*

* N N N Y Y Y Y N Y N Y 117 118 98 111

111 107 112 117

102 4

4 3 4

3 3 3 4

3 33.1 32.2 20.4 27.6

28.9 26.5 51.4 41.1

43.6 *

*

* 11.3 12.0 8.2 7.5

11.5 9.0 11.3 10.5

17.1 *

*

*

*

*

*

* N N N N

N N N N

N 28

30 18 21 33 26 25 36 32 37 45 26 Y Y N Y N N N Y Y N Y N 9.4 10.0 7.1 6.0 10.3 13.3 8.3 9.2 8.6 9.9 16.4 9.7 Y Y N Y N N N N Y N Y NUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 18 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2002

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2002 2001 2000

30-063-0024 30-063-0031 30-081-0001 30-089-0007 30-093-0005 30-111-1065 BOYD PARK, 3100 WASHBURN HEALTH DEPT, 301 WEST ALDER RAVALLI COUNTY COURTHOUSE, 205 BEDFORD THOMPSON FALLS HIGH SCHL 1M N OF HWY 200 GREELEY SCHOOL, SILVER BOW BLVD BLAQTC - LOCKWOOD PARK, OLD HARDIN ROAD 30 119 114 113 103 115 1

4 4 4 3 4 25.5 24.8 23.8 18.3 27.3 14.2 *

* 8.3 8.5 7.0 6.2 6.8 6.6 *

* Y Y Y Y Y Y 119 113 110 108 104 117 4

4 4 4 4 4 40.9 43.7 34.1 15.8 22.3 23.4 10.5

10.4 9.1 6.3 7.0 7.5 Y

N Y Y Y Y 112 106 102 115 92 117 4

3 3 4 2 4 49.1 53.1 109.3 17.5 62.8 27.6 13.4

15.2 15.9 6.9 13.5 8.5 * N

N N N N N 39

41 56 17 37 22 Y Y Y Y Y Y 10.7 11.4 10.7 6.5 9.1 7.5 N Y Y Y N YUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 19 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2003

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2003 2002 2001

30-047-0013 30-047-0028 30-087-0307 30-013-1026 30-029-0009 30-029-0039 30-029-0047 30-031-0008 30-031-0013 30-049-0018 30-049-0019 30-049-0025 RONAN PARK POLSON SADDLE SHOP, 1ST STREET & 4TH AVE INTERSECTION OF HWY 212 & 39, LAME DEER GT FALLS HIGHSCHOOL CRN 3RD S & 17TH E END OF 10TH ST WHITEFISH - MARKUS FOODS, 9 BAKER AVENUE FLATHEAD ELEC/CENTER ST & WOODLAND AVE BELGRADE CONAGRA,100 S BROADWAY,BELGRAD YLLSTN NAT'L PARK WEST ENTRANCE STATION LINCOLN SCHOOL PARKING LOT, 1325 POPLAR US 200 LINCOLN 1ST BANK;DOWNTOWN US HWY 200 117 118 104 99 94

92 64 22 62 87 4

4 3 2 2

2 0 0 1 2 34.6 72.9 17.6 51.4 57.1

76.6 30.1 5.4 46.5 49.9 *

*

* 10.0 10.0 7.3 6.4 10.8

8.7 8.6 2.5 7.6 5.6 *

*

*

*

*

*

*

*

*

* N N N Y Y

N Y Y N Y 117 122 106 117 100

111 107

108

60 4

4 4 4 2

4 4

4

4 20.9 28.8 19.1 17.6 28.4

23.8 25.0

17.8

44.6 * 7.6

8.2 6.2 5.3 9.3

7.7 7.4

6.5

11.1 *

*

*

* N N N Y Y

Y Y

Y

Y 115 113 106 113 31 10 115 112

110

29 4

4 4 4 1 0 4 4

4

2 29.2 29.0 13.7 17.3 36.7 23.3 25.8 32.8

37.6

28.7 *

* 9.4 9.9 7.0 5.4 11.4 15.2 8.3 8.9

8.7

8.8 *

*

*

*

* N N N Y Y Y Y N

Y

N 28

44 17 29 41 23 42 29 5 34 50 37 Y Y N Y Y N Y N N Y N N 9.0

9.4 6.8 5.7 10.5 15.2 8.2 8.3 2.5 7.6 5.6 9.9 Y Y N N N N N N N N N NUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 20 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2003

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2003 2002 2001

30-053-0018 30-063-0012 30-063-0024 30-063-0031 30-081-0001 30-089-0007 30-093-0005 30-111-1065 COUNTY COURTHOUSE ANNEX - LIBBY HALF MILE NORTH HWY 200 BOYD PARK, 3100 WASHBURN HEALTH DEPT, 301 WEST ALDER RAVALLI COUNTY COURTHOUSE, 205 BEDFORD THOMPSON FALLS HIGH SCHL 1M N OF HWY 200 GREELEY SCHOOL, SILVER BOW BLVD BLAQTC - LOCKWOOD PARK, OLD HARDIN ROAD 82 92

89 85 94 88 90 2

2

2 1 2 2 2 42.5 69.5

87.5 72.1 32.5 43.9 22.1 *

* 15.6 8.5

9.8 7.3 6.9 9.1 7.7 *

*

*

*

*

*

* N N

N N Y Y Y 114 47 30 119 114 113 103 115 4

1 1 4 4 4 3 4 46.6 26.0 25.5 24.8 23.8 18.3 27.3 14.2 *
*

* 16.0 9.7 8.3 8.5 7.0 6.2 6.8 6.6 *

*

* Y Y Y Y Y Y Y Y 109

119 113 110 108 104 117 3

4 4 4 4 4 4 45.0

40.9 43.7 34.1 15.8 22.3 23.4 16.2

10.5 10.4 9.1 6.3 7.0 7.5 * Y

Y N Y Y Y Y 45

48 33 52 43 22 31 20 Y N N Y Y N N N 15.9

9.1 9.4 9.6 7.8 6.5 7.6 7.3 Y N N N N N N NUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 21 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2004

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2004 2003 2002

30-047-0013 30-047-0028 30-087-0307 30-013-1026 30-029-0009 30-029-0047 30-031-0008 30-031-0013 30-049-0018 30-049-0019 30-049-0025 30-053-0018 RONAN PARK POLSON SADDLE SHOP, 1ST STREET & 4TH AVE INTERSECTION OF HWY 212 & 39, LAME DEER GT FALLS HIGHSCHOOL CRN 3RD S & 17TH E END OF 10TH ST FLATHEAD ELEC/CENTER ST & WOODLAND AVE BELGRADE CONAGRA,100 S BROADWAY,BELGRAD YLLSTN NAT'L PARK WEST ENTRANCE STATION LINCOLN SCHOOL PARKING LOT, 1325 POPLAR US 200 LINCOLN 1ST BANK;DOWNTOWN US HWY 200 COUNTY COURTHOUSE ANNEX - LIBBY 113 119 116 112 110 114 109 98 112 107

112 4

4 4 3 4 4 4 3 4 4

4 23.8 28.4 15.7 12.2 23.3 24.6 25.2 17.6 32.9 13.7

37.7 *

* 8.9 8.4 5.8 4.5 10.0 8.6 7.3 4.7 7.9 4.5

14.0 *

*

* N N N Y Y Y Y Y Y Y

N 117 118 104 99 94 92 64 22 62 87

82 4

4 3 2 2 2 0 0 1 2

2 34.6 72.9 17.6 51.4 57.1 76.6 30.1 5.4 46.5 49.9

42.5 *

*
* 10.0 10.0 7.3 6.4 10.8 8.7 8.6 2.5 7.6 5.6

15.6 *

*

*

*

*

*

*

*

* N N N Y Y N Y Y N Y

N 117 122 106 117 100 111 107

108

60 114 4

4 4 4 2 4 4

4

4 4 20.9 28.8 19.1 17.6 28.4 23.8 25.0

17.8

44.6 46.6 * 7.6

8.2 6.2 5.3 9.3 7.7 7.4

6.5

11.1 16.0 *

*

* N N N Y Y Y Y

Y

Y Y 26

43 17 27 36 42 27 12 32 32 45 42 Y Y N N Y Y N N Y N N Y 8.8

8.9 6.4 5.4 10.0 8.3 7.8 3.6 7.3 5.1 11.1 15.2 Y

Y N N N N N N N N N YUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 22 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2004

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2004 2003 2002

30-063-0012 30-063-0021 30-063-0024 30-063-0031 30-081-0001 30-089-0007 30-093-0005 30-111-1065 HALF MILE NORTH HWY 200 SEELEY LAKE US 83 BOYD PARK, 3100 WASHBURN HEALTH DEPT, 301 WEST ALDER RAVALLI COUNTY COURTHOUSE, 205 BEDFORD THOMPSON FALLS HIGH SCHL 1M N OF HWY 200 GREELEY SCHOOL, SILVER BOW BLVD BLAQTC - LOCKWOOD PARK, OLD HARDIN ROAD 90 8

117 110 114 108 116 3

0

4 4 4 4 4 42.9 22.6

46.8 44.7 18.3 29.6 19.4 * 8.4

12.1

10.7 8.5 6.5 8.5 8.2 *

*

* Y Y

N Y Y Y Y 92

89 85 94 88 90 2

2 1 2 2 2 69.5

87.5 72.1 32.5 43.9 22.1 *

* 8.5

9.8 7.3 6.9 9.1 7.7 *

*

*

*

*

*

*

* N

N N Y Y Y 47

30 119 114 113 103 115 1

1 4 4 4 3 4 26.0

25.5 24.8 23.8 18.3 27.3 14.2 *

*

* 9.7

8.3 8.5 7.0 6.2 6.8 6.6 *

*

*

* Y

Y Y Y Y Y Y 46

23 26 53 47 23 34 19 Y N N Y Y N N N 8.9 12.1 8.3 9.7 7.6 6.5 8.1 7.5 N N N N N N N NUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 23 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2005

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2005 2004 2003

30-047-0013 30-047-0028 30-087-0307 30-013-1026 30-029-0009 30-029-0047 30-031-0006 30-031-0008 30-031-0013 30-049-0018 30-049-0019 30-053-0018 RONAN PARK POLSON SADDLE SHOP, 1ST STREET & 4TH AVE INTERSECTION OF HWY 212 & 39, LAME DEER GT FALLS HIGHSCHOOL CRN 3RD S & 17TH E END OF 10TH ST FLATHEAD ELEC/CENTER ST & WOODLAND AVE BOZEMAN - W WTP BELGRADE CONAGRA,100 S BROADWAY,BELGRAD YLLSTN NAT'L PARK WEST ENTRANCE STATION LINCOLN SCHOOL PARKING LOT, 1325 POPLAR US 200 COUNTY COURTHOUSE ANNEX - LIBBY 115 118 116 116 119 119 45 53 96 111 30 117 4

4 4 4 4 4 1 1 3 4 1 4 22.7 29.7 25.9 17.6 22.0 17.5 14.4 36.3 8.4 38.1 17.9 51.1 *

*

* 8.3 8.6 6.7 5.9 9.7 8.4 6.8 11.0 3.7 8.5 3.9 15.8 *

*

*

* Y Y N Y Y Y Y Y Y Y Y Y 113 119 116 112 110 114

109 98 112 107 112 4

4 4 3 4 4

4 3 4 4 4 23.8 28.4 15.7 12.2 23.3 24.6

25.2 17.6 32.9 13.7 37.7 *

* 8.9 8.4 5.8 4.5 10.0 8.6

7.3 4.7 7.9 4.5 14.0 *

*

* N N N Y Y Y

Y Y Y Y N 117 118 104 99 94 92

64 22 62 87 82 4

4 3 2 2 2

0 0 1 2 2 34.6 72.9 17.6 51.4 57.1 76.6

30.1 5.4 46.5 49.9 42.5 *

*

* 10.0 10.0 7.3 6.4 10.8 8.7

8.6 2.5 7.6 5.6 15.6 *

*

*

*

*

*

*

*

* N N N Y Y N

Y Y N Y N 27

44 20 27 34 40 14 31 10 39 27 44 Y Y N N Y Y N N N Y N Y 9.1

9.0 6.6 5.6 10.2 8.6 6.8 9.0 3.6 8.0 4.7 15.1 Y

Y N N N N N N N N N YUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 24 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2005

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2005 2004 2003

30-063-0012 30-063-0021 30-063-0031 30-081-0001 30-081-0007 30-089-0007 30-093-0005 30-111-1065 HALF MILE NORTH HWY 200 SEELEY LAKE US 83 HEALTH DEPT, 301 WEST ALDER RAVALLI COUNTY COURTHOUSE, 205 BEDFORD MADISON AND 3RD STREET SOUTH THOMPSON FALLS HIGH SCHL 1M N OF HWY 200 GREELEY SCHOOL, SILVER BOW BLVD BLAQTC - LOCKWOOD PARK, OLD HARDIN ROAD 69 120 53 30 113 120 116 2

4 2 2 4 4 4 25.1 42.5 37.3 52.8 15.1 35.9 20.9 * 11.5

11.1 7.7 7.7 6.2 10.3 7.5 *

*

*

* Y Y Y N N Y N 90 8 117 110

114 108 116 3

0 4 4

4 4 4 42.9 22.6 46.8 44.7

18.3 29.6 19.4 * 8.4

12.1 10.7 8.5

6.5 8.5 8.2 *

*

* Y Y N Y

Y Y Y 92

89 85

94 88 90 2

2 1

2 2 2 69.5

87.5 72.1

32.5 43.9 22.1 *

* 8.5

9.8 7.3

6.9 9.1 7.7 *

*

*

*

*

*

*

* N

N N

Y Y Y 56

24 59 51 53 22 36 21 N N Y Y N N Y N 8.5 11.8 10.5 7.8 7.7 6.5 9.3 7.8 N N N N N N N NUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 25 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2006

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2006 2005 2004

30-047-0013 30-047-0028 30-087-0307 30-013-1026 30-029-0009 30-029-0047 30-031-0006 30-031-0008 30-031-0013 30-049-0018 30-049-0019 30-053-0018 RONAN PARK POLSON SADDLE SHOP, 1ST STREET & 4TH AVE INTERSECTION OF HWY 212 & 39, LAME DEER GT FALLS HIGHSCHOOL CRN 3RD S & 17TH E END OF 10TH ST FLATHEAD ELEC/CENTER ST & WOODLAND AVE BOZEMAN - W WTP BELGRADE CONAGRA,100 S BROADWAY,BELGRAD YLLSTN NAT'L PARK WEST ENTRANCE STATION LINCOLN SCHOOL PARKING LOT, 1325 POPLAR US 200 COUNTY COURTHOUSE ANNEX - LIBBY 122 108 110 106 116 110 115

116 4

4 4 4 4 4 4

4 15.2 26.2 22.8 28.6 25.7 10.6 24.7

40.5 5.6

9.8 8.3 7.8 10.4 4.6 7.6

15.2 *

*

*

* Y Y Y Y Y N Y

Y 115 118 116 116 119 119 45 53 96 111 30 117 4

4 4 4 4 4 1 1 3 4 1 4 22.7 29.7 25.9 17.6 22.0 17.5 14.4 36.3 8.4 38.1 17.9 51.1 *

*

* 8.3 8.6 6.7 5.9 9.7 8.4 6.8 11.0 3.7 8.5 3.9 15.8 *

*

*

* Y Y N Y Y Y Y Y Y Y Y Y 113 119 116 112 110 114

109 98 112 107 112 4

4 4 3 4 4

4 3 4 4 4 23.8 28.4 15.7 12.2 23.3 24.6

25.2 17.6 32.9 13.7 37.7 *

* 8.9 8.4 5.8 4.5 10.0 8.6

7.3 4.7 7.9 4.5 14.0 *

*

* N N N Y Y Y

Y Y Y Y N 23

29 21 15 24 22 22 29 12 32 16 43 N N N N Y Y N Y N Y N Y 8.6

8.5 6.2 5.3 9.8 8.4 7.3 9.6 4.3 8.0 4.2 15.0 N

N N N Y Y N N N Y N YUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 26 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2006

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2006 2005 2004

30-063-0012 30-063-0021 30-063-0031 30-081-0001 30-081-0007 30-089-0007 30-093-0005 30-111-1065 HALF MILE NORTH HWY 200 SEELEY LAKE US 83 HEALTH DEPT, 301 WEST ALDER RAVALLI COUNTY COURTHOUSE, 205 BEDFORD MADISON AND 3RD STREET SOUTH THOMPSON FALLS HIGH SCHL 1M N OF HWY 200 GREELEY SCHOOL, SILVER BOW BLVD BLAQTC - LOCKWOOD PARK, OLD HARDIN ROAD 93 121

54 109 112 118 2

4

3 3 4 4 38.3 30.2

27.8 25.5 39.1 17.6 *

* 10.3 9.4

8.3 7.3 10.8 8.9 *

*

*

*

* N N

Y Y Y Y 69 120 53 30 113 120 116 2

4 2 2 4 4 4 25.1 42.5 37.3 52.8 15.1 35.9 20.9 * 11.5

11.1 7.7 7.7 6.2 10.3 7.5 *

*

*

* Y Y Y N N Y N 90 8 117 110

114 108 116 3

0 4 4

4 4 4 42.9 22.6 46.8 44.7

18.3 29.6 19.4 * 8.4

12.1 10.7 8.5

6.5 8.5 8.2 *

*

* Y Y N Y

Y Y Y 43

29 40 41 40 20 35 19 N N Y N N N Y Y 8.4 11.3 10.4 8.1 8.0 6.7 9.8 8.2 N N Y N N N Y YUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 27 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2007

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2007 2006 2005

30-047-0013 30-047-0028 30-087-0307 30-013-1026 30-029-0009 30-029-0047 30-031-0006 30-031-0008 30-031-0013 30-031-0016 30-049-0018 30-049-0019 RONAN PARK POLSON SADDLE SHOP, 1ST STREET & 4TH AVE INTERSECTION OF HWY 212 & 39, LAME DEER GT FALLS HIGHSCHOOL CRN 3RD S & 17TH E END OF 10TH ST FLATHEAD ELEC/CENTER ST & WOODLAND AVE BOZEMAN - W WTP BELGRADE CONAGRA,100 S BROADWAY,BELGRAD YLLSTN NAT'L PARK WEST ENTRANCE STATION ALLEY LINCOLN SCHOOL PARKING LOT, 1325 POPLAR US 200 113 115 116 116 114 56 59 118 4

4 4 4 4 4 4 4 22.4 22.2 20.7 23.2 28.1 16.8 30.0 25.8 7.2

10.5 9.7 7.0 9.4 5.0 8.8 9.2 *

*

*

* Y Y Y Y Y Y Y Y 122 108 110 106 116 110

115 4

4 4 4 4 4

4 15.2 26.2 22.8 28.6 25.7 10.6

24.7 5.6

9.8 8.3 7.8 10.4 4.6

7.6 *

*

*

*

* Y Y Y Y Y N

Y 115 118 116 116 119 119 45 53 96

111 30 4

4 4 4 4 4 1 1 3

4 1 22.7 29.7 25.9 17.6 22.0 17.5 14.4 36.3 8.4

38.1 17.9 *

*

* 8.3 8.6 6.7 5.9 9.7 8.4 6.8 11.0 3.7

8.5 3.9 *

*

*

*

* Y Y N Y Y Y Y Y Y

Y Y 23

30 26 18 23 20 22 30 12 30 30 18 N N N Y Y Y N Y N N Y N 8.3

8.6 6.7 6.2 10.0 8.8 7.2 10.3 4.4 8.8 8.4 3.9 N N N Y Y Y N N N N Y NUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 28 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2007

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2007 2006 2005

30-049-0026 30-053-0018 30-063-0021 30-063-0031 30-081-0001 30-081-0007 30-089-0007 30-093-0005 30-111-1065 1497 SIERRA ROAD EAST COUNTY COURTHOUSE ANNEX - LIBBY SEELEY LAKE US 83 HEALTH DEPT, 301 WEST ALDER RAVALLI COUNTY COURTHOUSE, 205 BEDFORD MADISON AND 3RD STREET SOUTH THOMPSON FALLS HIGH SCHL 1M N OF HWY 200 GREELEY SCHOOL, SILVER BOW BLVD BLAQTC - LOCKWOOD PARK, OLD HARDIN ROAD 57 115 74 114

96 120 114 119 4

3 2 3

3 4 4 4 26.9 32.2 29.5 32.8

27.8 18.4 26.0 19.9 *

*

*

* 8.6 13.0 11.6 11.5

11.3 7.5 12.8 7.9 *

*

*

*

* Y N Y N

Y Y Y Y 116 93 121

54 109 112 118 4

2 4

3 3 4 4 40.5 38.3 30.2

27.8 25.5 39.1 17.6 *
* 15.2 10.3 9.4

8.3 7.3 10.8 8.9 *

*

*

*

* Y N N

Y Y Y Y 117 69 120 53 30 113 120 116 4

2 4 2 2 4 4 4 51.1 25.1 42.5 37.3 52.8 15.1 35.9 20.9 * 15.8

11.5 11.1 7.7 7.7 6.2 10.3 7.5 *

*

*

* Y Y Y Y N N Y N 27

41 31 35 37 36 20 34 19 N Y N N N Y N Y Y 8.6 14.7 11.1 10.7 7.7 9.1 7.0 11.3 8.1 N N N N N N N Y YUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 29 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2008

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2008 2007 2006

30-013-1026 30-029-0007 30-029-0009 30-029-0047 30-031-0006 30-031-0008 30-031-0013 30-031-0016 30-031-0018 30-049-0018 30-049-0026 30-053-0018 GT FALLS HIGHSCHOOL CRN 3RD S & 17TH E CORNER OF C ST & 4TH AVE EN END OF 10TH ST FLATHEAD ELEC/CENTER ST & WOODLAND AVE BOZEMAN - W WTP BELGRADE CONAGRA,100 S BROADWAY,BELGRAD YLLSTN NAT'L PARK WEST ENTRANCE STATION ALLEY LAGOON ROAD LINCOLN SCHOOL PARKING LOT, 1325 POPLAR 1497 SIERRA ROAD EAST COUNTY COURTHOUSE ANNEX - LIBBY 118 87 112 118 79 116 12 192 17 241 56 113 4

3 4 4 2 4 1 2 0 2 4 4 13.3 25.9 23.1 18.4 12.1 22.4 9.6 16.8 18.6 23.6 21.1 30.5 *

*

*

*

*

* 5.2 8.8 9.0 7.7 5.5 7.4 3.8 6.1 7.0 6.9 7.2 12.9 *

*

*

*

*

* N N N N N N N N N N N N 113

115 116 116 114 56 59

118 57 115 4

4 4 4 4 4 4

4 4 3 22.4

22.2 20.7 23.2 28.1 16.8 30.0

25.8 26.9 32.2 * 7.2

10.5 9.7 7.0 9.4 5.0 8.8

9.2 8.6 13.0 *

*

* Y

Y Y Y Y Y Y

Y Y N 122

108 110 106 116 110

115

116 4

4 4 4 4 4

4

4 15.2

26.2 22.8 28.6 25.7 10.6

24.7

40.5 5.6

9.8 8.3 7.8 10.4 4.6

7.6

15.2 *

*

*

* Y

Y Y Y Y N

Y

Y 17

26 24 21 21 25 12 23 19 25 24 34 Y N Y Y N Y N N N N N N 6.0

8.8 9.8 8.5 6.8 9.1 4.5 7.4 7.0 7.9 7.9 13.7 Y

N Y Y N Y N N N N N NUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 30 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2008

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2008 2007 2006

30-063-0021 30-063-0024 30-063-0031 30-081-0007 30-083-0001 30-089-0007 30-093-0005 30-111-1065 SEELEY LAKE US 83 BOYD PARK, 3100 WASHBURN HEALTH DEPT, 301 WEST ALDER MADISON AND 3RD STREET SOUTH 15 miles NW of Sidney THOMPSON FALLS HIGH SCHL 1M N OF HWY 200 GREELEY SCHOOL, SILVER BOW BLVD BLAQTC - LOCKWOOD PARK, OLD HARDIN ROAD 107 42 119 224 78 109 116 116 3

0 4 2 1 4 4 4 19.4 23.9 22.7 31.5 10.5 21.0 32.3 18.2 *

*

*

* 8.0 12.6 8.2 7.1 5.0 6.9 10.1 7.0 *

*

*

* N N N N N N N N 74

114 96

120 114 119 2

3 3

4 4 4 29.5

32.8 27.8

18.4 26.0 19.9 *

*
* 11.6

11.5 11.3

7.5 12.8 7.9 *

*

*

*

* Y

N Y

Y Y Y 93

121 54

109 112 118 2

4 3

3 4 4 38.3

30.2 27.8

25.5 39.1 17.6 *

* 10.3

9.4 8.3

7.3 10.8 8.9 *

*

*

*

* N

N Y

Y Y Y 29

24 29 29 11 22 32 19 N N N N N N Y Y 10.0 12.6 9.7 8.9 5.0 7.3 11.2 8.0 N N N N N N Y YUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 31 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2009

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2009 2008 2007

30-013-1026 30-029-0007 30-029-0009 30-029-0047 30-031-0006 30-031-0008 30-031-0013 30-031-0016 30-031-0018 30-049-0018 30-049-0026 30-053-0018 GT FALLS HIGHSCHOOL CRN 3RD S & 17TH E CORNER OF C ST & 4TH AVE EN END OF 10TH ST FLATHEAD ELEC/CENTER ST & WOODLAND AVE BOZEMAN - W WTP BELGRADE CONAGRA,100 S BROADWAY,BELGRAD YLLSTN NAT'L PARK WEST ENTRANCE STATION ALLEY LAGOON ROAD LINCOLN SCHOOL PARKING LOT, 1325 POPLAR 1497 SIERRA ROAD EAST COUNTY COURTHOUSE ANNEX - LIBBY 118 117 117 116

116

365 101 207 177 120 4

4 4 4

4

4 3 2 1 4 14.0 27.5 17.6 17.9

26.4

23.7 14.6 17.8 31.8 31.4 *

*

* 5.1 9.7 8.6 7.7

7.7

7.3 5.4 6.3 7.8 10.7 *

*

*

*

* N N N N

N

N N N N N 118 87 112 118 79 116 12 192 17 241 56 113 4

3 4 4 2 4 1 2 0 2 4 4 13.3 25.9 23.1 18.4 12.1 22.4 9.6 16.8 18.6 23.6 21.1 30.5 *

*

*
*
*
* 5.2 8.8 9.0 7.7 5.5 7.4 3.8 6.1 7.0 6.9 7.2 12.9 *

*

*

*

*

* N N N N N N N N N N N N 113

115 116 116 114 56 59

118 57 115 4

4 4 4 4 4 4

4 4 3 22.4

22.2 20.7 23.2 28.1 16.8 30.0

25.8 26.9 32.2 * 7.2

10.5 9.7 7.0 9.4 5.0 8.8

9.2 8.6 13.0 *

*

* Y

Y Y Y Y Y Y

Y Y N 17

27 21 19 18 26 13 24 17 22 27 31 Y N Y Y N Y N N N N N N 5.8

9.3 9.4 8.4 6.2 8.2 4.4 7.4 6.2 7.5 7.9 12.2 Y

N Y Y N Y N N N N N NUNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM PRELIMINARY DESIGN VALUE REPORT Report Date: Aug. 12, 2010

Notes: 1. Warning: Computed design values are a snapshot of the data at the time the report was run (may not be all data for year). 2. Annual Values not meeting completeness criteria are marked with an asterisk ('*'). Page 32 of 69 

### Pollutant: Standard Units: NAAQS Standard: Statistic: Statistic: Site-LevelPM2.5 - Local Conditions(88101) Micrograms/cubic meter (LC)(105) PM25 24-hour 2006 / PM25 Annual 2006 Annual Weighted Mean Annual 98th Percentile Level: Level: Design Value Year: 2009

REPORT EXCLUDES MEASUREMENTS WITH REGIONALLY CONCURRED EVENT FLAGS. 15 35 State Name: Montana Site_ID / STREET ADDRESS | | | Cred. Days Comp. Qrtrs Wtd.

Mean 98th Perctil Cert. | | | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Cred. Days Comp. Qrtrs 98th Perctil Wtd.

Mean Cert. |

| | Design Value Valid

Ind. | | | Design Value Valid

Ind. 24-Hour Annual 2009 2008 2007

30-063-0021 30-063-0024 30-063-0031 30-063-0037 30-081-0007 30-083-0001 30-089-0007 30-093-0005 30-111-1065 SEELEY LAKE US 83 BOYD PARK, 3100 WASHBURN HEALTH DEPT, 301 WEST ALDER 16134 Beckwith St, Frenchtown, MT MADISON AND 3RD STREET SOUTH 15 miles NW of Sidney THOMPSON FALLS HIGH SCHL 1M N OF HWY 200 GREELEY SCHOOL, SILVER BOW BLVD BLAQTC - LOCKWOOD PARK, OLD HARDIN ROAD 120 356 117 74 333 356 114 112 110 4

4 4 1 3 4 4 4 3 22.2 21.4 21.9 29.8 20.2 12.4 18.2 38.5 13.2 *

*

* 8.0 7.1 7.7 11.8 6.8 5.8 6.3 9.8 6.1 *

*

* N N N N N N N N N 107 42 119

224 78 109 116 116 3

0 4

2 1 4 4 4 19.4 23.9 22.7

31.5 10.5 21.0 32.3 18.2 *
*

*
* 8.0 12.6 8.2

7.1 5.0 6.9 10.1 7.0 *

*

*

*

* N N N

N N N N N 74

114

96

120 114 119 2

3

3

4 4 4 29.5

32.8

27.8

18.4 26.0 19.9 *

*

* 11.6

11.5

11.3

7.5 12.8 7.9 *

*

*

*

*

* Y

N

Y

Y Y Y 24

23 26 30 27 11 19 32 17 N N N N N N Y Y N 9.2

9.9 9.1 11.8 8.4 5.4 6.9 10.9 7.0 N N N N N N Y Y N