UNITED STATES ENVIRONMENTAL PROTECTION AGENCY QUICKLOOK CRITERIA PARAMETERS Jan. 11, 2011 Report Request ID: 824727 Report Code: AMP450

Selection Criteria Page 1 User ID:AGR

State County City

Site Parameter POC AQCR UAR CBSA CSA EPA Region Method Duration Begin Date End Date 30 30 30 029

029 029 0003

0007 0007 GEOGRAPHIC SELECTIONS

PROTOCOL SELECTIONS Parameter Classification Parameter Method Duration 81102 PQAO SELECTIONS Mt Dept Of Environmental Quality, Air Quality Division SELECTED OPTIONS EVENTS PROCESSING MERGE PDF FILES WORKFILE DELIMITER Option Type Option Value EXCLUDE REGIONALLY CONCURRED EVENTS

YES , SORT ORDER 1 2 3 4 5 6 7 Order Column

PARAMETER_CODE STATE_CODE COUNTY_CODE SITE_ID POC DATES EDT_ID GLOBAL DATES 1992 Start Date End Date 2009 Tribal

APPLICABLE STANDARDS Standard Description PM10 24-hour 2006Jan. 11, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page 1of6 EXCEPTIONAL DATA TYPES EDT DESCRIPTION 0 1 2 5 NO EVENTS EVENTS EXCLUDED EVENTS INCLUDED EVENTS WITH CONCURRENCE EXCLUDEDJan. 11, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page2of6 PM10 Total 0-10um STP (81102) Montana Micrograms/cubic meter (25 C) (001)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERTEDT 30-029-0003 30-029-0003 30-029-0003 30-029-0003 30-029-0003 30-029-0003 30-029-0003 30-029-0003 30-029-0003 30-029-0003 30-029-0003 2

2 2 2 2 2 2 2 2 2 2 0730 0730 0730 0730 0730 0730 0730 0730 0730 0730 0730 Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Flathead

Flathead Flathead Flathead Flathead Flathead Flathead Flathead Flathead Flathead Flathead JR HIGH SCHOOL, 500 4TH AVE NORTH JR HIGH SCHOOL, 500 4TH AVE NORTH JR HIGH SCHOOL, 500 4TH AVE NORTH JR HIGH SCHOOL, 500 4TH AVE NORTH JR HIGH SCHOOL, 500 4TH AVE NORTH JR HIGH SCHOOL, 500 4TH AVE NORTH JR HIGH SCHOOL, 500 4TH AVE NORTH JR HIGH SCHOOL, 500 4TH AVE NORTH JR HIGH SCHOOL, 500 4TH AVE NORTH JR HIGH SCHOOL, 500 4TH AVE NORTH JR HIGH SCHOOL, 500 4TH AVE NORTH1992

1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 062

062 062 062 062 062 062 062 062 062 062 75 64 82 53 56 50 83 30 45 74 61 Y Y Y Y Y Y Y Y Y Y 0 0 0 0 0 0 0 0 5 0 0 24-HOUR VALID DAYS 227 92 92 91 92 91 91 90 91 92 92 DAY MAX >150 0 0 0 0 0 0 0 0 0 0 0 229 114 105 117 91 78 58 57 58 58 55 %OBS 95 90 88 96 82 86 63 63 63 63 60 1ST MAX 2ND MAX 3RD MAX 74 58 77 50 50 46 48 30 43 45 31 66 50 70 48 43 42 38 29 39 38 29 65 49 65 48 42 37 34 27 34 36 25 EST

DAYS >150 0 0 0 0 0 0 0 0 0 0 0 23.7 20.9* 23.6 17.5 17.8* 17.2 19.0* 13.9* 15.7* 16.4* 13.0* WTD ARITH MEAN 215 83 81 87 75 78 57 57 57 58 55 NUM REQJan. 11, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page3of6 PM10 Total 0-10um STP (81102) Montana Micrograms/cubic meter (25 C) (001)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERTEDT 30-029-0007 30-029-0007 30-029-0007 30-029-0007 30-029-0007 30-029-0007 30-029-0007 30-029-0007 30-029-0007 30-029-0007 30-029-0007 1

1 1 1 1 1 1 1 1 2 2 0730 0730 0730 0730 0730 0730 0730 0730 0730 0730 0730 Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Columbia Falls Flathead

Flathead Flathead Flathead Flathead Flathead Flathead Flathead Flathead Flathead Flathead CORNER OF C ST & 4TH AVE EN CORNER OF C ST & 4TH AVE EN CORNER OF C ST & 4TH AVE EN CORNER OF C ST & 4TH AVE EN CORNER OF C ST & 4TH AVE EN CORNER OF C ST & 4TH AVE EN CORNER OF C ST & 4TH AVE EN CORNER OF C ST & 4TH AVE EN CORNER OF C ST & 4TH AVE EN CORNER OF C ST & 4TH AVE EN CORNER OF C ST & 4TH AVE EN 2001

2002 2003 2004 2005 2006 2007 2008 2009 2005 2006 063

063 063 063 063 063 000 125 125 063 063 120 70 125 55 59 53 105 42 45 42 46 Y Y N Y Y Y Y

Y Y 0 0 5 0 0 5 5 5 0 0 5 24-HOUR VALID DAYS 122 122 121 122 122 122 60 61 61 61 61 DAY MAX >150 0 0 0 0 0 0 0 0 0 0 0 43 112 119 117 111 115 66 54 51 30 56 %OBS 35 92 100 96 89 94 93 89 84 49 92 1ST MAX 2ND MAX 3RD MAX 90 64 123 46 40 50 56 37 40 37 44 62 60 120 45 39 47 53 35 33 36 44 54 54 117 40 39 45 52 33 33 29 40 EST

DAYS >150 0 0 0 0 0 0 0 0 0 0 0 30.2* 18.6 27.0 19.9 18.2 19.3 27.0 16.9 18.0* 19.7* 19.0 WTD ARITH MEAN 43 112 121 117 109 115 56 54 51 30 56 NUM REQJan. 11, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page 4of6 PM10 Total 0-10um STP (81102) Montana Micrograms/cubic meter (25 C) (001)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERTEDT 30-029-0007 30-029-0007 30-029-0007 2

2 2 0730 0730 0730 Columbia Falls Columbia Falls Columbia Falls Flathead

Flathead Flathead CORNER OF C ST & 4TH AVE EN CORNER OF C ST & 4TH AVE EN CORNER OF C ST & 4TH AVE EN 2007

2008 2009 000

125 125 96 45 42 Y 5 5 0 24-HOUR VALID DAYS 60 61 61 DAY MAX >150 0 0 0 56 53 56 %OBS 93 87 92 1ST MAX 2ND MAX 3RD MAX 55 36 37 54 36 33 53 34 33 EST

DAYS >150 0 0 0 26.2 17.3 17.5 WTD ARITH MEAN 56 53 56 NUM REQJan. 11, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page5of6 81102 81102 81102 81102 000

062 063 125 MULTIPLE METHODS

HI-VOL-WEDDING-INLET HI-VOL SA/GMW-1200 BGI Inc. Model PQ200 PM10 MULTIPLE METHODS GRAVIMETRIC GRAVIMETRIC Gravimetric PARAMETER METHOD

CODE COLLECTION METHOD ANALYSIS METHOD METHODS USED IN THIS REPORTJan. 11, 2011

Note: The * indicates that the mean does not satisfy summary criteria. UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM QUICK LOOK REPORT (AMP450)



### Page6of6 PQAOS USED IN THIS REPORT PQAO AGENCY DESCRIPTION 0730 Mt Dept Of Environmental Quality, Air Quality Division