E.2.Butte-2010 Page 1

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 12/24/201030-093-0005 3 51 ug/m3 LC 122 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/23/201030-093-0005 3 50.7 ug/m3 LC 121 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/21/201030-093-0005 3 47.8 ug/m3 LC 115 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/8/201030-093-0005 5 46 ug/m3 LC 112 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/22/201030-093-0005 3 44.8 ug/m3 LC 109 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/22/201030-093-0005 5 42.9 ug/m3 LC 106 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/8/201030-093-0005 1 42.7 ug/m3 LC 105 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/6/201030-093-0005 3 42.3 ug/m3 LC 105 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/25/201030-093-0005 3 42.1 ug/m3 LC 104 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/29/201030-093-0005 1 41.6 ug/m3 LC 103 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/11/201030-093-0005 1 40.2 ug/m3 LC 100 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/8/201030-093-0005 3 39.3 ug/m3 LC 98 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/4/201030-093-0005 3 37.3 ug/m3 LC 94 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/7/201030-093-0005 3 37.2 ug/m3 LC 94 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/9/201030-093-0005 3 37.1 ug/m3 LC 94 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/5/201030-093-0005 3 36.6 ug/m3 LC 93 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/10/201030-093-0005 3 36.4 ug/m3 LC 92 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/11/201030-093-0005 3 35.2 ug/m3 LC 90 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/29/201030-093-0005 3 34.9 ug/m3 LC 89 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/3/201030-093-0005 3 34.7 ug/m3 LC 89 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/7/201030-093-0005 3 34.2 ug/m3 LC 88 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/4/201030-093-0005 5 34 ug/m3 LC 87 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/1/201030-093-0005 3 33.3 ug/m3 LC 86 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/4/201030-093-0005 1 32.2 ug/m3 LC 84 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/17/201030-093-0005 3 30.9 ug/m3 LC 81 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/30/201030-093-0005 3 30.2 ug/m3 LC 80 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/23/201030-093-0005 3 29.5 ug/m3 LC 79 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/4/201030-093-0005 3 29.4 ug/m3 LC 78 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/18/201030-093-0005 3 26.3 ug/m3 LC 72 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/26/201030-093-0005 3 26.2 ug/m3 LC 72 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/8/201030-093-0005 3 25.7 ug/m3 LC 71 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/2/201030-093-0005 3 25.5 ug/m3 LC 71 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/5/201030-093-0005 3 25.3 ug/m3 LC 70 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/8/201030-093-0005 3 24.5 ug/m3 LC 69 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/22/201030-093-0005 3 24.1 ug/m3 LC 68 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/30/201030-093-0005 3 24 ug/m3 LC 68 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/22/201030-093-0005 1 23.8 ug/m3 LC 67 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/4/201030-093-0005 3 23.5 ug/m3 LC 67 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/2/201030-093-0005 3 23.4 ug/m3 LC 67 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/1/201030-093-0005 3 23.2 ug/m3 LC 66 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/7/201030-093-0005 5 22.8 ug/m3 LC 65 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/3/201030-093-0005 3 22.4 ug/m3 LC 65 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/16/201030-093-0005 3 22.2 ug/m3 LC 64 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/31/201030-093-0005 3 22.1 ug/m3 LC 64 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/7/201030-093-0005 3 21.5 ug/m3 LC 63 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/14/201030-093-0005 1 21.3 ug/m3 LC 62 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/16/201030-093-0005 5 20.9 ug/m3 LC 62 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/26/201030-093-0005 3 20.9 ug/m3 LC 62 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/21/201030-093-0005 3 20.8 ug/m3 LC 61 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/21/201030-093-0005 3 20.7 ug/m3 LC 61 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/17/201030-093-0005 5 20.6 ug/m3 LC 61 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/19/201030-093-0005 3 20 ug/m3 LC 60 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/11/201030-093-0005 3 19.9 ug/m3 LC 60 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/6/201030-093-0005 3 19.3 ug/m3 LC 58 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/7/201030-093-0005 3 19.3 ug/m3 LC 58 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/16/201030-093-0005 1 19.2 ug/m3 LC 58 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2010 Page 2

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 2/14/201030-093-0005 3 19.2 ug/m3 LC 58 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/2/201030-093-0005 3 19 ug/m3 LC 58 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/20/201030-093-0005 3 18.4 ug/m3 LC 57 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/16/201030-093-0005 3 18.3 ug/m3 LC 57 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/5/201030-093-0005 3 18.2 ug/m3 LC 56 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/31/201030-093-0005 3 18 ug/m3 LC 56 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/27/201030-093-0005 3 18 ug/m3 LC 56 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/16/201030-093-0005 3 17.9 ug/m3 LC 56 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/31/201030-093-0005 3 17.9 ug/m3 LC 56 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/9/201030-093-0005 3 17.7 ug/m3 LC 55 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/4/201030-093-0005 5 17.4 ug/m3 LC 55 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/25/201030-093-0005 3 17.2 ug/m3 LC 54 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/15/201030-093-0005 3 16.5 ug/m3 LC 53 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/4/201030-093-0005 3 16.3 ug/m3 LC 53 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/1/201030-093-0005 3 16.3 ug/m3 LC 53 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/2/201030-093-0005 5 16.2 ug/m3 LC 52 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/21/201030-093-0005 3 16.2 ug/m3 LC 52 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/22/201030-093-0005 3 16.2 ug/m3 LC 52 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/12/201030-093-0005 3 15.9 ug/m3 LC 52 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/12/201030-093-0005 3 15.9 ug/m3 LC 52 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/2/201030-093-0005 1 15.7 ug/m3 LC 51 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/11/201030-093-0005 3 15.7 ug/m3 LC 51 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/24/201030-093-0005 3 15.5 ug/m3 LC 51 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/3/201030-093-0005 3 15.5 ug/m3 LC 51 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/19/201030-093-0005 5 15.4 ug/m3 LC 50 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/22/201030-093-0005 5 15.4 ug/m3 LC 50 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/26/201030-093-0005 5 15.3 ug/m3 LC 50 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/24/201030-093-0005 3 15.3 ug/m3 LC 50 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/26/201030-093-0005 3 15.2 ug/m3 LC 49 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/1/201030-093-0005 3 15.2 ug/m3 LC 49 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/12/201030-093-0005 1 14.9 ug/m3 LC 48 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/28/201030-093-0005 1 14.7 ug/m3 LC 48 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/8/201030-093-0005 3 14.6 ug/m3 LC 47 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/17/201030-093-0005 1 14.2 ug/m3 LC 46 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/13/201030-093-0005 3 14.2 ug/m3 LC 46 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/29/201030-093-0005 3 14.2 ug/m3 LC 46 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/17/201030-093-0005 3 14.1 ug/m3 LC 46 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/27/201030-093-0005 3 13.9 ug/m3 LC 45 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/22/201030-093-0005 3 13.7 ug/m3 LC 44 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/30/201030-093-0005 3 13.7 ug/m3 LC 44 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/5/201030-093-0005 1 13.6 ug/m3 LC 44 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/15/201030-093-0005 1 13.6 ug/m3 LC 44 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/20/201030-093-0005 3 13.6 ug/m3 LC 44 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/23/201030-093-0005 3 13.3 ug/m3 LC 43 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/9/201030-093-0005 3 13.2 ug/m3 LC 43 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/15/201030-093-0005 5 13.1 ug/m3 LC 43 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/6/201030-093-0005 3 13.1 ug/m3 LC 43 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/28/201030-093-0005 3 13 ug/m3 LC 42 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/24/201030-093-0005 3 12.7 ug/m3 LC 41 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/20/201030-093-0005 3 12.6 ug/m3 LC 41 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/25/201030-093-0005 5 12.4 ug/m3 LC 40 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/15/201030-093-0005 3 12.4 ug/m3 LC 40 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/6/201030-093-0005 3 12.4 ug/m3 LC 40 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/11/201030-093-0005 3 12.4 ug/m3 LC 40 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/19/201030-093-0005 3 12.3 ug/m3 LC 40 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/3/201030-093-0005 3 12.1 ug/m3 LC 39 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2010 Page 3

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 5/26/201030-093-0005 5 12 ug/m3 LC 39 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/25/201030-093-0005 3 11.8 ug/m3 LC 38 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/25/201030-093-0005 3 11.8 ug/m3 LC 38 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/18/201030-093-0005 3 11.8 ug/m3 LC 38 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/3/201030-093-0005 3 11.7 ug/m3 LC 38 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/2/201030-093-0005 3 11.6 ug/m3 LC 38 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/29/201030-093-0005 3 11.6 ug/m3 LC 38 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/29/201030-093-0005 5 11.5 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/11/201030-093-0005 3 11.5 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/20/201030-093-0005 1 11.4 ug/m3 LC 37 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/4/201030-093-0005 3 11.4 ug/m3 LC 37 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/13/201030-093-0005 3 11.4 ug/m3 LC 37 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/6/201030-093-0005 1 11.3 ug/m3 LC 37 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/10/201030-093-0005 1 11.2 ug/m3 LC 36 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/20/201030-093-0005 3 11.2 ug/m3 LC 36 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/20/201030-093-0005 5 11.1 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/25/201030-093-0005 3 11.1 ug/m3 LC 36 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/25/201030-093-0005 1 11 ug/m3 LC 36 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/21/201030-093-0005 3 10.9 ug/m3 LC 35 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/2/201030-093-0005 3 10.9 ug/m3 LC 35 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/23/201030-093-0005 1 10.8 ug/m3 LC 35 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/5/201030-093-0005 3 10.7 ug/m3 LC 35 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/10/201030-093-0005 3 10.7 ug/m3 LC 35 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/12/201030-093-0005 3 10.7 ug/m3 LC 35 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/26/201030-093-0005 3 10.6 ug/m3 LC 34 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/13/201030-093-0005 3 10.6 ug/m3 LC 34 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/21/201030-093-0005 5 10.5 ug/m3 LC 34 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/10/201030-093-0005 3 10.5 ug/m3 LC 34 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/20/201030-093-0005 5 10.4 ug/m3 LC 34 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/28/201030-093-0005 3 10.4 ug/m3 LC 34 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/23/201030-093-0005 5 10.2 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/4/201030-093-0005 3 10.2 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/3/201030-093-0005 1 10.1 ug/m3 LC 33 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/20/201030-093-0005 3 10.1 ug/m3 LC 33 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/17/201030-093-0005 3 10.1 ug/m3 LC 33 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/2/201030-093-0005 3 10 ug/m3 LC 32 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/14/201030-093-0005 3 10 ug/m3 LC 32 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/6/201030-093-0005 3 9.9 ug/m3 LC 32 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/17/201030-093-0005 3 9.9 ug/m3 LC 32 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/14/201030-093-0005 3 9.9 ug/m3 LC 32 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/28/201030-093-0005 3 9.8 ug/m3 LC 32 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/3/201030-093-0005 3 9.7 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/18/201030-093-0005 3 9.6 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/2/201030-093-0005 3 9.5 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/7/201030-093-0005 3 9.5 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/30/201030-093-0005 3 9.5 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/3/201030-093-0005 5 9.4 ug/m3 LC 31 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/7/201030-093-0005 3 9.4 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/23/201030-093-0005 3 9.4 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/12/201030-093-0005 3 9.3 ug/m3 LC 30 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/14/201030-093-0005 5 9.2 ug/m3 LC 30 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/18/201030-093-0005 3 9.2 ug/m3 LC 30 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/15/201030-093-0005 3 9.2 ug/m3 LC 30 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/5/201030-093-0005 3 9.1 ug/m3 LC 30 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/19/201030-093-0005 3 9 ug/m3 LC 29 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/3/201030-093-0005 3 9 ug/m3 LC 29 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2010 Page 4

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 10/27/201030-093-0005 3 9 ug/m3 LC 29 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/1/201030-093-0005 5 8.9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/12/201030-093-0005 3 8.9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/5/201030-093-0005 3 8.9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/15/201030-093-0005 3 8.8 ug/m3 LC 29 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/8/201030-093-0005 5 8.7 ug/m3 LC 28 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/5/201030-093-0005 3 8.7 ug/m3 LC 28 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/20/201030-093-0005 3 8.7 ug/m3 LC 28 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/13/201030-093-0005 3 8.7 ug/m3 LC 28 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/9/201030-093-0005 3 8.6 ug/m3 LC 28 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/27/201030-093-0005 3 8.6 ug/m3 LC 64 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/19/201030-093-0005 3 8.4 ug/m3 LC 27 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/15/201030-093-0005 3 8.3 ug/m3 LC 27 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/5/201030-093-0005 3 8.3 ug/m3 LC 27 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/9/201030-093-0005 5 8.2 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/2/201030-093-0005 5 8.1 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/8/201030-093-0005 3 8.1 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/20/201030-093-0005 3 8.1 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/1/201030-093-0005 3 8 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/14/201030-093-0005 3 8 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/17/201030-093-0005 3 8 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/21/201030-093-0005 3 8 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/29/201030-093-0005 3 8 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/10/201030-093-0005 3 7.9 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/29/201030-093-0005 5 7.8 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/7/201030-093-0005 3 7.8 ug/m3 LC 25 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/26/201030-093-0005 3 7.8 ug/m3 LC 25 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/17/201030-093-0005 5 7.7 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/12/201030-093-0005 3 7.7 ug/m3 LC 25 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/1/201030-093-0005 3 7.6 ug/m3 LC 25 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/18/201030-093-0005 5 7.5 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/28/201030-093-0005 3 7.5 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/14/201030-093-0005 3 7.4 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/11/201030-093-0005 3 7.3 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/16/201030-093-0005 3 7.3 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/24/201030-093-0005 3 7.3 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/8/201030-093-0005 3 7.2 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/30/201030-093-0005 3 7.2 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/19/201030-093-0005 1 7.1 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/9/201030-093-0005 3 7.1 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/23/201030-093-0005 3 7.1 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/27/201030-093-0005 3 7.1 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/28/201030-093-0005 3 7.1 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/9/201030-093-0005 1 7 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/15/201030-093-0005 3 7 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/13/201030-093-0005 3 6.9 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/9/201030-093-0005 3 6.9 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/18/201030-093-0005 3 6.9 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/20/201030-093-0005 5 6.7 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/17/201030-093-0005 5 6.7 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/21/201030-093-0005 3 6.7 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/27/201030-093-0005 3 6.7 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/4/201030-093-0005 3 6.7 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/10/201030-093-0005 5 6.6 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/9/201030-093-0005 3 6.6 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/10/201030-093-0005 3 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2010 Page 5

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 8/8/201030-093-0005 3 6.5 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/19/201030-093-0005 5 6.4 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/27/201030-093-0005 3 6.4 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/26/201030-093-0005 3 6.4 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/27/201030-093-0005 3 6.4 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/8/201030-093-0005 3 6.4 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/19/201030-093-0005 3 6.4 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/16/201030-093-0005 3 6.4 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/24/201030-093-0005 3 6.3 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/1/201030-093-0005 3 6.3 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/10/201030-093-0005 3 6.3 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/11/201030-093-0005 3 6.3 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/28/201030-093-0005 3 6.3 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/12/201030-093-0005 3 6.2 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/28/201030-093-0005 3 6.2 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/19/201030-093-0005 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/27/201030-093-0005 3 6.1 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/6/201030-093-0005 3 6.1 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/13/201030-093-0005 3 6 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/22/201030-093-0005 3 6 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/16/201030-093-0005 3 6 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/22/201030-093-0005 3 6 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/22/201030-093-0005 3 6 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/13/201030-093-0005 5 5.9 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/31/201030-093-0005 5 5.9 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/25/201030-093-0005 3 5.9 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/17/201030-093-0005 3 5.9 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/28/201030-093-0005 3 5.9 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/5/201030-093-0005 3 5.8 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/28/201030-093-0005 5 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/13/201030-093-0005 3 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/7/201030-093-0005 3 5.7 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/17/201030-093-0005 3 5.7 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/13/201030-093-0005 3 5.7 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/7/201030-093-0005 3 5.7 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/11/201030-093-0005 3 5.7 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/16/201030-093-0005 3 5.7 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/3/201030-093-0005 3 5.6 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/12/201030-093-0005 3 5.6 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/24/201030-093-0005 3 5.6 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/12/201030-093-0005 3 5.6 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/18/201030-093-0005 3 5.5 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/22/201030-093-0005 3 5.5 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/26/201030-093-0005 3 5.4 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/5/201030-093-0005 3 5.3 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/17/201030-093-0005 3 5.3 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/6/201030-093-0005 3 5.3 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/9/201030-093-0005 3 5.3 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/6/201030-093-0005 5 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/11/201030-093-0005 5 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/9/201030-093-0005 3 5.2 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/20/201030-093-0005 3 5.2 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/24/201030-093-0005 5 5.1 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/30/201030-093-0005 3 5.1 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/8/201030-093-0005 5 5 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/7/201030-093-0005 5 5 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2010 Page 6

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 8/12/201030-093-0005 5 5 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/13/201030-093-0005 3 5 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/8/201030-093-0005 3 5 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/29/201030-093-0005 3 5 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/1/201030-093-0005 3 5 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/19/201030-093-0005 3 5 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/10/201030-093-0005 3 5 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/27/201030-093-0005 3 5 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/26/201030-093-0005 5 4.9 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/4/201030-093-0005 3 4.9 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/14/201030-093-0005 3 4.9 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/28/201030-093-0005 3 4.9 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/30/201030-093-0005 3 4.9 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/31/201030-093-0005 3 4.9 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/3/201030-093-0005 3 4.9 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/23/201030-093-0005 3 4.9 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/8/201030-093-0005 3 4.9 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/13/201030-093-0005 5 4.8 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/23/201030-093-0005 5 4.8 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/28/201030-093-0005 5 4.8 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/22/201030-093-0005 3 4.8 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/15/201030-093-0005 3 4.8 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/6/201030-093-0005 3 4.7 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/19/201030-093-0005 3 4.7 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/9/201030-093-0005 3 4.6 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/3/201030-093-0005 3 4.6 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/16/201030-093-0005 3 4.6 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/14/201030-093-0005 3 4.6 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/23/201030-093-0005 3 4.6 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/17/201030-093-0005 3 4.6 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/27/201030-093-0005 5 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/11/201030-093-0005 5 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/2/201030-093-0005 3 4.5 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/2/201030-093-0005 3 4.5 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/7/201030-093-0005 3 4.5 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/18/201030-093-0005 3 4.5 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/21/201030-093-0005 3 4.5 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/23/201030-093-0005 3 4.5 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/4/201030-093-0005 3 4.5 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/10/201030-093-0005 3 4.5 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/29/201030-093-0005 3 4.5 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/31/201030-093-0005 3 4.4 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/30/201030-093-0005 3 4.4 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/4/201030-093-0005 3 4.4 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/12/201030-093-0005 3 4.4 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/15/201030-093-0005 3 4.4 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/14/201030-093-0005 3 4.4 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/14/201030-093-0005 5 4.3 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/10/201030-093-0005 5 4.3 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/26/201030-093-0005 3 4.3 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/23/201030-093-0005 3 4.3 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/21/201030-093-0005 3 4.3 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/29/201030-093-0005 3 4.3 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/6/201030-093-0005 3 4.3 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/24/201030-093-0005 3 4.3 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/17/201030-093-0005 3 4.3 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2010 Page 7

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 2/13/201030-093-0005 1 4.2 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/25/201030-093-0005 5 4.2 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/23/201030-093-0005 3 4.2 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/31/201030-093-0005 3 4.2 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/4/201030-093-0005 3 4.2 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/19/201030-093-0005 3 4.2 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/12/201030-093-0005 3 4.2 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/7/201030-093-0005 3 4.2 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/9/201030-093-0005 3 4.2 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/22/201030-093-0005 3 4.1 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/10/201030-093-0005 3 4.1 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/19/201030-093-0005 5 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/5/201030-093-0005 5 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/24/201030-093-0005 3 4 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/1/201030-093-0005 3 4 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/25/201030-093-0005 3 4 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/18/201030-093-0005 3 3.9 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/8/201030-093-0005 3 3.8 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/1/201030-093-0005 3 3.7 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/31/201030-093-0005 3 3.7 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/21/201030-093-0005 3 3.7 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/5/201030-093-0005 3 3.7 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/1/201030-093-0005 5 3.6 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/1/201030-093-0005 3 3.6 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/11/201030-093-0005 3 3.6 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/25/201030-093-0005 3 3.5 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/2/201030-093-0005 3 3.5 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/20/201030-093-0005 3 3.5 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/6/201030-093-0005 3 3.5 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/15/201030-093-0005 3 3.5 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/18/201030-093-0005 3 3.5 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/13/201030-093-0005 5 3.4 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/6/201030-093-0005 3 3.4 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/25/201030-093-0005 3 3.4 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/18/201030-093-0005 3 3.4 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/30/201030-093-0005 5 3.3 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/20/201030-093-0005 3 3.3 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/13/201030-093-0005 3 3.3 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/5/201030-093-0005 3 3.3 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/24/201030-093-0005 3 3.2 ug/m3 LC 10 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/2/201030-093-0005 5 3.1 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/19/201030-093-0005 3 3 ug/m3 LC 10 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/4/201030-093-0005 3 3 ug/m3 LC 10 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/10/201030-093-0005 3 3 ug/m3 LC 10 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/13/201030-093-0005 3 3 ug/m3 LC 10 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/28/201030-093-0005 3 2.9 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/16/201030-093-0005 3 2.9 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/11/201030-093-0005 3 2.9 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/24/201030-093-0005 3 2.9 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/13/201030-093-0005 3 2.9 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/14/201030-093-0005 3 2.9 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/16/201030-093-0005 3 2.9 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/30/201030-093-0005 3 2.8 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/2/201030-093-0005 3 2.8 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/11/201030-093-0005 3 2.8 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/18/201030-093-0005 3 2.7 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2010 Page 8

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 6/3/201030-093-0005 3 2.7 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/2/201030-093-0005 3 2.7 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/10/201030-093-0005 3 2.6 ug/m3 LC 8 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/29/201030-093-0005 3 2.5 ug/m3 LC 8 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/5/201030-093-0005 5 2.4 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/3/201030-093-0005 3 2.4 ug/m3 LC 8 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/28/201030-093-0005 3 2.4 ug/m3 LC 8 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/29/201030-093-0005 3 2.3 ug/m3 LC 7 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/29/201030-093-0005 3 2.3 ug/m3 LC 7 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/7/201030-093-0005 5 2.2 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/27/201030-093-0005 3 2.2 ug/m3 LC 7 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/8/201030-093-0005 3 2.2 ug/m3 LC 7 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/7/201030-093-0005 3 2.1 ug/m3 LC 7 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/17/201030-093-0005 3 2.1 ug/m3 LC 7 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/1/201030-093-0005 3 2.1 ug/m3 LC 7 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/9/201030-093-0005 3 2.1 ug/m3 LC 7 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/10/201030-093-0005 3 2 ug/m3 LC 6 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/16/201030-093-0005 3 2 ug/m3 LC 6 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/23/201030-093-0005 3 2 ug/m3 LC 6 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/20/201030-093-0005 3 2 ug/m3 LC 6 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/16/201030-093-0005 5 1.8 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/6/201030-093-0005 3 1.7 ug/m3 LC 6 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/22/201030-093-0005 3 1.7 ug/m3 LC 6 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/26/201030-093-0005 3 1.7 ug/m3 LC 6 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/21/201030-093-0005 3 1.6 ug/m3 LC 5 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/26/201030-093-0005 3 1.6 ug/m3 LC 5 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/30/201030-093-0005 3 1.5 ug/m3 LC 5 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/25/201030-093-0005 3 1.5 ug/m3 LC 5 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/14/201030-093-0005 3 1.2 ug/m3 LC 4 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/15/201030-093-0005 3 1.2 ug/m3 LC 4 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/19/201030-093-0005 3 0.9 ug/m3 LC 3 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/11/201030-093-0005 3 0.8 ug/m3 LC 3 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2009 Page 1

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 1/19/2009 30-093-0005 1 50.5 ug/m3 LC 121 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/19/2009 30-093-0005 5 46.2 ug/m3 LC 112 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/29/2009 30-093-0005 3 42.5 ug/m3 LC 105 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/28/2009 30-093-0005 3 40.3 ug/m3 LC 100 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/4/2009 30-093-0005 1 40.2 ug/m3 LC 100 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/27/2009 30-093-0005 1 38.5 ug/m3 LC 96 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/27/2009 30-093-0005 5 37.7 ug/m3 LC 95 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/11/2009 30-093-0005 3 36 ug/m3 LC 91 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/27/2009 30-093-0005 3 34.5 ug/m3 LC 88 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/26/2009 30-093-0005 3 33.7 ug/m3 LC 87 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/17/2009 30-093-0005 1 32.9 ug/m3 LC 85 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/10/2009 30-093-0005 3 32.9 ug/m3 LC 85 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/16/2009 30-093-0005 1 32.6 ug/m3 LC 85 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/12/2009 30-093-0005 1 31.8 ug/m3 LC 83 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/12/2009 30-093-0005 3 30 ug/m3 LC 80 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/3/2009 30-093-0005 1 29 ug/m3 LC 78 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/5/2009 30-093-0005 5 28.8 ug/m3 LC 77 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/18/2009 30-093-0005 3 28.4 ug/m3 LC 76 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/21/2009 30-093-0009 3 24.9 ug/m3 LC 69 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/4/2009 30-093-0005 3 24.7 ug/m3 LC 69 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/26/2009 30-093-0005 3 24.3 ug/m3 LC 68 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/4/2009 30-093-0009 3 23.5 ug/m3 LC 67 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/20/2009 30-093-0009 3 23.5 ug/m3 LC 67 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/27/2009 30-093-0005 5 23.5 ug/m3 LC 67 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/19/2009 30-093-0005 3 23.4 ug/m3 LC 67 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/15/2009 30-093-0005 1 23 ug/m3 LC 66 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/9/2009 30-093-0005 1 23 ug/m3 LC 66 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/19/2009 30-093-0009 3 23 ug/m3 LC 66 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/9/2009 30-093-0005 5 22.1 ug/m3 LC 64 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/15/2009 30-093-0005 3 22 ug/m3 LC 64 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/15/2009 30-093-0005 5 21.4 ug/m3 LC 63 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/22/2009 30-093-0009 3 21.3 ug/m3 LC 62 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/16/2009 30-093-0005 3 20.9 ug/m3 LC 62 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/9/2009 30-093-0005 3 19.2 ug/m3 LC 58 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/13/2009 30-093-0005 3 19.1 ug/m3 LC 58 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/3/2009 30-093-0005 1 18.9 ug/m3 LC 58 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/3/2009 30-093-0005 1 18.7 ug/m3 LC 57 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/3/2009 30-093-0005 5 18.2 ug/m3 LC 56 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/4/2009 30-093-0005 3 18.2 ug/m3 LC 56 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/3/2009 30-093-0005 5 18.1 ug/m3 LC 56 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/5/2009 30-093-0009 3 17.6 ug/m3 LC 55 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/3/2009 30-093-0005 3 17.5 ug/m3 LC 55 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/24/2009 30-093-0005 1 17.3 ug/m3 LC 55 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/8/2009 30-093-0005 3 17.2 ug/m3 LC 54 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/27/2009 30-093-0009 3 16.8 ug/m3 LC 54 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/3/2009 30-093-0005 3 16.3 ug/m3 LC 53 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/24/2009 30-093-0005 3 16.2 ug/m3 LC 52 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/25/2009 30-093-0005 1 15.8 ug/m3 LC 52 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/12/2009 30-093-0005 5 15.8 ug/m3 LC 52 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/10/2009 30-093-0005 3 15.8 ug/m3 LC 52 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/17/2009 30-093-0009 3 15.7 ug/m3 LC 51 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/21/2009 30-093-0005 1 15.6 ug/m3 LC 51 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/2/2009 30-093-0005 1 15.6 ug/m3 LC 51 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/4/2009 30-093-0009 3 15.4 ug/m3 LC 50 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/26/2009 30-093-0009 3 15.3 ug/m3 LC 50 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/16/2009 30-093-0009 3 15.2 ug/m3 LC 49 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537E.2.Butte-2009 Page 2

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 1/18/2009 30-093-0009 3 15 ug/m3 LC 49 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/9/2009 30-093-0005 3 15 ug/m3 LC 49 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/19/2009 30-093-0005 3 14.9 ug/m3 LC 48 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/25/2009 30-093-0005 5 14.8 ug/m3 LC 48 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/5/2009 30-093-0005 3 14.5 ug/m3 LC 47 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/13/2009 30-093-0005 3 14.5 ug/m3 LC 47 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/12/2009 30-093-0005 1 14.3 ug/m3 LC 46 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/9/2009 30-093-0005 5 14.2 ug/m3 LC 46 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/18/2009 30-093-0005 3 14.2 ug/m3 LC 46 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/9/2009 30-093-0005 1 14.1 ug/m3 LC 46 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/2/2009 30-093-0005 5 14.1 ug/m3 LC 46 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/3/2009 30-093-0005 3 13.7 ug/m3 LC 44 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/20/2009 30-093-0005 1 13.4 ug/m3 LC 44 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/6/2009 30-093-0005 1 13.3 ug/m3 LC 43 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/20/2009 30-093-0005 3 13.1 ug/m3 LC 43 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/16/2009 30-093-0005 1 13 ug/m3 LC 42 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/24/2009 30-093-0005 1 13 ug/m3 LC 42 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/30/2009 30-093-0009 3 12.9 ug/m3 LC 42 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/2/2009 30-093-0005 3 12.9 ug/m3 LC 42 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/30/2009 30-093-0005 1 12.7 ug/m3 LC 41 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/23/2009 30-093-0005 3 12.6 ug/m3 LC 41 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/17/2009 30-093-0005 3 12.4 ug/m3 LC 40 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/7/2009 30-093-0005 3 12.4 ug/m3 LC 40 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/22/2009 30-093-0005 3 12.1 ug/m3 LC 39 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/29/2009 30-093-0005 3 11.9 ug/m3 LC 39 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/25/2009 30-093-0005 3 11.9 ug/m3 LC 39 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/1/2009 30-093-0005 1 11.8 ug/m3 LC 38 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/2/2009 30-093-0005 3 11.8 ug/m3 LC 38 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/16/2009 30-093-0005 3 11.7 ug/m3 LC 38 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/25/2009 30-093-0005 1 11.6 ug/m3 LC 38 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/20/2009 30-093-0005 5 11.5 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/30/2009 30-093-0005 3 11.5 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/11/2009 30-093-0005 5 11.4 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/16/2009 30-093-0005 5 11.3 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/4/2009 30-093-0005 3 11.3 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/14/2009 30-093-0005 1 11.2 ug/m3 LC 36 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/13/2009 30-093-0009 3 11.2 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/22/2009 30-093-0005 3 11.2 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/7/2009 30-093-0005 1 11.1 ug/m3 LC 36 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/22/2009 30-093-0005 1 11.1 ug/m3 LC 36 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/22/2009 30-093-0005 5 11.1 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/14/2009 30-093-0005 3 11.1 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/7/2009 30-093-0005 1 11 ug/m3 LC 36 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/12/2009 30-093-0005 1 11 ug/m3 LC 36 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/1/2009 30-093-0005 5 11 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/27/2009 30-093-0005 3 10.9 ug/m3 LC 35 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/18/2009 30-093-0005 3 10.8 ug/m3 LC 35 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/7/2009 30-093-0005 5 10.6 ug/m3 LC 34 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/14/2009 30-093-0005 5 10.5 ug/m3 LC 34 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/28/2009 30-093-0005 3 10.5 ug/m3 LC 34 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/24/2009 30-093-0009 3 10.4 ug/m3 LC 34 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/18/2009 30-093-0005 5 10.4 ug/m3 LC 34 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/24/2009 30-093-0005 3 10.4 ug/m3 LC 34 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/7/2009 30-093-0005 3 10.3 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/11/2009 30-093-0005 3 10.3 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/12/2009 30-093-0005 3 10.3 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2009 Page 3

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 7/3/2009 30-093-0005 3 10.2 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/17/2009 30-093-0005 3 10.2 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/10/2009 30-093-0005 3 10.2 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/3/2009 30-093-0005 1 10.1 ug/m3 LC 33 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/19/2009 30-093-0009 3 10.1 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/9/2009 30-093-0005 1 9.9 ug/m3 LC 32 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/3/2009 30-093-0009 3 9.9 ug/m3 LC 32 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/20/2009 30-093-0005 3 9.9 ug/m3 LC 32 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/25/2009 30-093-0005 3 9.9 ug/m3 LC 32 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/12/2009 30-093-0009 3 9.7 ug/m3 LC 31 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/25/2009 30-093-0005 3 9.6 ug/m3 LC 31 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/18/2009 30-093-0005 1 9.5 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/21/2009 30-093-0005 3 9.5 ug/m3 LC 31 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/8/2009 30-093-0005 3 9.5 ug/m3 LC 31 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/22/2009 30-093-0005 3 9.5 ug/m3 LC 31 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/17/2009 30-093-0005 3 9.4 ug/m3 LC 31 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/2/2009 30-093-0005 1 9.3 ug/m3 LC 30 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/21/2009 30-093-0005 5 9.1 ug/m3 LC 30 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/20/2009 30-093-0005 1 9 ug/m3 LC 29 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/29/2009 30-093-0005 1 9 ug/m3 LC 29 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/28/2009 30-093-0005 1 9 ug/m3 LC 29 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/1/2009 30-093-0009 3 9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/12/2009 30-093-0005 5 9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/30/2009 30-093-0005 3 9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/9/2009 30-093-0005 3 9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/2/2009 30-093-0009 3 8.9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/23/2009 30-093-0005 3 8.9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/6/2009 30-093-0005 3 8.9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/21/2009 30-093-0005 1 8.8 ug/m3 LC 29 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/2/2009 30-093-0005 3 8.8 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/8/2009 30-093-0009 3 8.7 ug/m3 LC 28 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/30/2009 30-093-0005 1 8.6 ug/m3 LC 28 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/19/2009 30-093-0005 3 8.6 ug/m3 LC 28 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/13/2009 30-093-0005 1 8.5 ug/m3 LC 28 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/21/2009 30-093-0005 1 8.5 ug/m3 LC 28 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/23/2009 30-093-0005 1 8.4 ug/m3 LC 27 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/30/2009 30-093-0005 1 8.4 ug/m3 LC 27 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/30/2009 30-093-0005 5 8.4 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/29/2009 30-093-0005 5 8.4 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/27/2009 30-093-0005 3 8.4 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/22/2009 30-093-0005 3 8.4 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/15/2009 30-093-0005 1 8.3 ug/m3 LC 27 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/19/2009 30-093-0005 3 8.3 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/11/2009 30-093-0005 3 8.3 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/29/2009 30-093-0005 3 8.3 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/25/2009 30-093-0005 1 8.2 ug/m3 LC 27 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/28/2009 30-093-0009 3 8.2 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/25/2009 30-093-0005 5 8.2 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/20/2009 30-093-0009 3 8.1 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/23/2009 30-093-0005 3 8.1 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/10/2009 30-093-0005 1 8 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/19/2009 30-093-0005 1 8 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/21/2009 30-093-0005 3 8 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/4/2009 30-093-0005 3 8 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/12/2009 30-093-0005 3 8 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/28/2009 30-093-0005 3 8 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2009 Page 4

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 12/14/2009 30-093-0005 3 8 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/28/2009 30-093-0005 5 7.8 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/22/2009 30-093-0005 3 7.8 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/27/2009 30-093-0005 3 7.7 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/1/2009 30-093-0005 3 7.7 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/19/2009 30-093-0005 1 7.6 ug/m3 LC 25 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/2/2009 30-093-0009 3 7.6 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/29/2009 30-093-0005 3 7.6 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/16/2009 30-093-0005 5 7.5 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/15/2009 30-093-0005 5 7.5 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/18/2009 30-093-0005 3 7.5 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/10/2009 30-093-0005 1 7.4 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/12/2009 30-093-0005 1 7.4 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/19/2009 30-093-0005 1 7.4 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/5/2009 30-093-0005 3 7.4 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/13/2009 30-093-0005 3 7.4 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/19/2009 30-093-0005 1 7.3 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/26/2009 30-093-0005 1 7.3 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/15/2009 30-093-0005 1 7.3 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/21/2009 30-093-0005 3 7.3 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/5/2009 30-093-0005 3 7.3 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/12/2009 30-093-0005 3 7.3 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/28/2009 30-093-0005 3 7.3 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/5/2009 30-093-0005 1 7.2 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/5/2009 30-093-0005 1 7.2 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/16/2009 30-093-0005 1 7.2 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/11/2009 30-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/1/2009 30-093-0005 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/15/2009 30-093-0005 3 7.1 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/6/2009 30-093-0009 3 7 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/21/2009 30-093-0009 3 7 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/2/2009 30-093-0005 3 7 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/16/2009 30-093-0005 3 7 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/19/2009 30-093-0005 3 7 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/6/2009 30-093-0005 1 6.9 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/14/2009 30-093-0009 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/12/2009 30-093-0005 5 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/4/2009 30-093-0005 5 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/17/2009 30-093-0005 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/17/2009 30-093-0005 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/1/2009 30-093-0005 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/20/2009 30-093-0005 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/23/2009 30-093-0005 1 6.8 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/4/2009 30-093-0005 1 6.8 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/18/2009 30-093-0009 3 6.8 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/19/2009 30-093-0005 5 6.8 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/25/2009 30-093-0005 3 6.8 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/31/2009 30-093-0005 3 6.8 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/13/2009 30-093-0005 5 6.7 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/23/2009 30-093-0005 5 6.7 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/17/2009 30-093-0005 3 6.7 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/15/2009 30-093-0005 1 6.6 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/23/2009 30-093-0009 3 6.6 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/27/2009 30-093-0005 3 6.6 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/10/2009 30-093-0005 1 6.5 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/30/2009 30-093-0005 5 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2009 Page 5

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 7/6/2009 30-093-0005 5 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/22/2009 30-093-0005 3 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/29/2009 30-093-0005 3 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/26/2009 30-093-0005 3 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/16/2009 30-093-0005 1 6.4 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/30/2009 30-093-0005 3 6.4 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/16/2009 30-093-0005 3 6.4 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/1/2009 30-093-0005 1 6.3 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/22/2009 30-093-0005 1 6.3 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/12/2009 30-093-0005 1 6.3 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/21/2009 30-093-0005 1 6.3 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/29/2009 30-093-0005 3 6.3 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/5/2009 30-093-0005 5 6.2 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/10/2009 30-093-0005 5 6.2 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/11/2009 30-093-0005 3 6.2 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/18/2009 30-093-0005 3 6.2 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/24/2009 30-093-0005 1 6.1 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/26/2009 30-093-0005 1 6.1 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/10/2009 30-093-0009 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/7/2009 30-093-0009 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/12/2009 30-093-0005 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/25/2009 30-093-0005 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/28/2009 30-093-0005 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/24/2009 30-093-0005 1 6 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/4/2009 30-093-0009 3 6 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/21/2009 30-093-0005 5 6 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/16/2009 30-093-0005 3 6 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/30/2009 30-093-0005 3 6 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/24/2009 30-093-0005 1 5.9 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/27/2009 30-093-0005 1 5.9 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/1/2009 30-093-0005 1 5.9 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/9/2009 30-093-0009 3 5.9 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/25/2009 30-093-0005 5 5.9 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/21/2009 30-093-0005 3 5.9 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/6/2009 30-093-0005 1 5.8 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/11/2009 30-093-0009 3 5.8 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/31/2009 30-093-0005 5 5.8 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/24/2009 30-093-0005 5 5.8 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/31/2009 30-093-0005 1 5.7 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/27/2009 30-093-0005 1 5.7 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/24/2009 30-093-0005 5 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/18/2009 30-093-0005 3 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/26/2009 30-093-0005 3 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/2/2009 30-093-0005 3 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/1/2009 30-093-0005 3 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/1/2009 30-093-0005 1 5.6 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/22/2009 30-093-0005 1 5.6 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/16/2009 30-093-0009 3 5.6 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/22/2009 30-093-0009 3 5.6 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/12/2009 30-093-0005 3 5.6 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/19/2009 30-093-0005 3 5.6 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/25/2009 30-093-0005 1 5.5 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/20/2009 30-093-0005 3 5.5 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/29/2009 30-093-0005 3 5.5 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/3/2009 30-093-0005 3 5.5 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/4/2009 30-093-0005 3 5.5 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2009 Page 6

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 10/1/2009 30-093-0005 3 5.5 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/10/2009 30-093-0005 1 5.4 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/31/2009 30-093-0005 1 5.4 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/28/2009 30-093-0005 1 5.4 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/21/2009 30-093-0009 3 5.4 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/22/2009 30-093-0005 5 5.4 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/1/2009 30-093-0005 3 5.4 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/6/2009 30-093-0005 3 5.4 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/21/2009 30-093-0005 3 5.4 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/27/2009 30-093-0005 1 5.3 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/10/2009 30-093-0009 3 5.3 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/26/2009 30-093-0005 5 5.3 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/10/2009 30-093-0005 3 5.3 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/15/2009 30-093-0005 3 5.3 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/1/2009 30-093-0009 3 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/1/2009 30-093-0005 5 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/28/2009 30-093-0005 5 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/4/2009 30-093-0005 3 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/26/2009 30-093-0005 3 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/11/2009 30-093-0005 3 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/10/2009 30-093-0005 1 5.1 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/19/2009 30-093-0005 3 5.1 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/25/2009 30-093-0005 3 5.1 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/28/2009 30-093-0005 3 5.1 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/5/2009 30-093-0005 3 5.1 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/21/2009 30-093-0005 3 5.1 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/28/2009 30-093-0005 1 5 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/9/2009 30-093-0009 3 5 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/31/2009 30-093-0005 5 5 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/10/2009 30-093-0005 5 5 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/26/2009 30-093-0005 3 5 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/27/2009 30-093-0005 3 5 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/7/2009 30-093-0005 3 5 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/13/2009 30-093-0005 1 4.9 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/25/2009 30-093-0009 3 4.9 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/12/2009 30-093-0009 3 4.9 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/8/2009 30-093-0009 3 4.9 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/24/2009 30-093-0005 5 4.9 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/14/2009 30-093-0005 3 4.9 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/8/2009 30-093-0005 1 4.8 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/25/2009 30-093-0005 3 4.8 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/18/2009 30-093-0005 3 4.8 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/24/2009 30-093-0005 3 4.6 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/2/2009 30-093-0005 3 4.6 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/6/2009 30-093-0005 1 4.5 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/15/2009 30-093-0009 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/15/2009 30-093-0009 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/5/2009 30-093-0009 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/22/2009 30-093-0005 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/27/2009 30-093-0005 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/29/2009 30-093-0005 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/11/2009 30-093-0005 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/24/2009 30-093-0005 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/8/2009 30-093-0005 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/13/2009 30-093-0005 3 4.4 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/22/2009 30-093-0005 3 4.4 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2009 Page 7

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 1/13/2009 30-093-0005 1 4.3 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/15/2009 30-093-0005 3 4.3 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/3/2009 30-093-0009 3 4.2 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/17/2009 30-093-0009 3 4.2 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/1/2009 30-093-0005 3 4.2 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/1/2009 30-093-0005 1 4.1 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/9/2009 30-093-0005 1 4.1 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/8/2009 30-093-0005 5 4.1 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/23/2009 30-093-0005 3 4.1 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/15/2009 30-093-0005 3 4.1 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/16/2009 30-093-0005 1 4 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/15/2009 30-093-0005 1 4 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/18/2009 30-093-0005 1 4 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/13/2009 30-093-0009 3 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/6/2009 30-093-0009 3 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/6/2009 30-093-0005 5 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/28/2009 30-093-0005 3 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/23/2009 30-093-0005 3 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/24/2009 30-093-0005 3 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/2/2009 30-093-0005 3 3.9 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/21/2009 30-093-0005 3 3.9 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/30/2009 30-093-0005 3 3.9 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/24/2009 30-093-0005 3 3.9 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/6/2009 30-093-0005 3 3.9 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/8/2009 30-093-0005 1 3.8 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/14/2009 30-093-0005 1 3.8 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/31/2009 30-093-0005 1 3.8 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/19/2009 30-093-0009 3 3.8 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/1/2009 30-093-0005 5 3.8 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/31/2009 30-093-0005 3 3.8 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/6/2009 30-093-0005 3 3.8 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/14/2009 30-093-0005 3 3.8 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/7/2009 30-093-0005 1 3.7 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/23/2009 30-093-0005 3 3.7 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/20/2009 30-093-0005 3 3.7 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/9/2009 30-093-0005 1 3.6 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/10/2009 30-093-0009 3 3.6 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/1/2009 30-093-0005 3 3.6 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/6/2009 30-093-0005 3 3.6 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/28/2009 30-093-0005 3 3.6 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/17/2009 30-093-0009 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/18/2009 30-093-0005 5 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/24/2009 30-093-0005 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/23/2009 30-093-0005 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/10/2009 30-093-0005 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/25/2009 30-093-0005 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/13/2009 30-093-0005 1 3.4 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/7/2009 30-093-0005 1 3.4 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/17/2009 30-093-0005 1 3.4 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/5/2009 30-093-0009 3 3.4 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/7/2009 30-093-0005 5 3.4 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/13/2009 30-093-0005 5 3.4 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/7/2009 30-093-0005 5 3.4 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/9/2009 30-093-0005 3 3.4 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/7/2009 30-093-0005 3 3.4 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/17/2009 30-093-0005 5 3.3 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2009 Page 8

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 5/9/2009 30-093-0005 3 3.3 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/10/2009 30-093-0005 3 3.3 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/8/2009 30-093-0005 3 3.3 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/16/2009 30-093-0005 3 3.3 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/10/2009 30-093-0005 3 3.3 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/18/2009 30-093-0005 1 3.2 ug/m3 LC 10 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/14/2009 30-093-0009 3 3.2 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/9/2009 30-093-0009 3 3.2 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/4/2009 30-093-0005 5 3.2 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/26/2009 30-093-0005 3 3.2 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/30/2009 30-093-0005 3 3.2 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/7/2009 30-093-0005 3 3.2 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/17/2009 30-093-0005 3 3.2 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/3/2009 30-093-0005 3 3.2 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/4/2009 30-093-0005 1 3.1 ug/m3 LC 10 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/7/2009 30-093-0009 3 3.1 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/16/2009 30-093-0009 3 3.1 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/18/2009 30-093-0005 5 3.1 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/10/2009 30-093-0005 3 3.1 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/9/2009 30-093-0005 3 3 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/31/2009 30-093-0005 3 3 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/21/2009 30-093-0005 1 2.9 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/14/2009 30-093-0009 3 2.9 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/3/2009 30-093-0009 3 2.9 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/15/2009 30-093-0005 3 2.9 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/29/2009 30-093-0005 1 2.8 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/6/2009 30-093-0009 3 2.8 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/21/2009 30-093-0005 3 2.8 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/16/2009 30-093-0005 3 2.8 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/4/2009 30-093-0005 1 2.7 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/23/2009 30-093-0005 3 2.7 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/13/2009 30-093-0005 3 2.7 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/2/2009 30-093-0005 3 2.7 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/15/2009 30-093-0005 3 2.7 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/16/2009 30-093-0005 3 2.7 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/26/2009 30-093-0005 3 2.7 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/6/2009 30-093-0009 3 2.6 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/15/2009 30-093-0009 3 2.6 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/13/2009 30-093-0005 3 2.6 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/8/2009 30-093-0005 3 2.6 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/13/2009 30-093-0005 3 2.6 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/11/2009 30-093-0009 3 2.5 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/22/2009 30-093-0009 3 2.5 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/3/2009 30-093-0005 3 2.5 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/30/2009 30-093-0005 3 2.5 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/3/2009 30-093-0005 3 2.4 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/19/2009 30-093-0005 3 2.4 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/13/2009 30-093-0005 1 2.3 ug/m3 LC 7 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/25/2009 30-093-0009 3 2.3 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/5/2009 30-093-0005 3 2.3 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/5/2009 30-093-0005 3 2.3 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/9/2009 30-093-0005 3 2.3 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/23/2009 30-093-0005 3 2.3 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/6/2009 30-093-0005 1 2.2 ug/m3 LC 7 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/16/2009 30-093-0009 3 2.2 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/18/2009 30-093-0005 3 2.2 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2009 Page 9

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 4/28/2009 30-093-0005 1 2.1 ug/m3 LC 7 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/13/2009 30-093-0005 5 2.1 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/24/2009 30-093-0005 3 2.1 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/15/2009 30-093-0005 3 2.1 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/11/2009 30-093-0005 3 2.1 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/5/2009 30-093-0009 3 2 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/26/2009 30-093-0009 3 2 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/17/2009 30-093-0005 3 2 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/1/2009 30-093-0009 3 1.9 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/12/2009 30-093-0005 3 1.9 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/29/2009 30-093-0009 3 1.8 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/27/2009 30-093-0009 3 1.8 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/25/2009 30-093-0009 3 1.8 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/9/2009 30-093-0005 3 1.8 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/10/2009 30-093-0009 3 1.7 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/20/2009 30-093-0005 3 1.7 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/31/2009 30-093-0005 3 1.7 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/14/2009 30-093-0005 3 1.6 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/6/2009 30-093-0005 3 1.6 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/4/2009 30-093-0005 1 1.5 ug/m3 LC 5 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/23/2009 30-093-0009 3 1.5 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/24/2009 30-093-0009 3 1.5 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/8/2009 30-093-0005 3 1.5 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/8/2009 30-093-0005 3 1.5 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/5/2009 30-093-0005 3 1.5 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/7/2009 30-093-0005 3 1.4 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/14/2009 30-093-0005 3 1.4 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/30/2009 30-093-0005 3 1.4 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/7/2009 30-093-0009 3 1.3 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/20/2009 30-093-0009 3 1.2 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/4/2009 30-093-0005 3 1.2 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/20/2009 30-093-0005 3 1.2 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/23/2009 30-093-0009 3 1.1 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/6/2009 30-093-0005 3 1.1 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/8/2009 30-093-0005 3 1.1 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/4/2009 30-093-0005 3 1.1 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/4/2009 30-093-0009 3 1 ug/m3 LC 3 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/11/2009 30-093-0009 3 1 ug/m3 LC 3 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/24/2009 30-093-0005 3 1 ug/m3 LC 3 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/26/2009 30-093-0009 3 0.9 ug/m3 LC 3 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/31/2009 30-093-0009 3 0.9 ug/m3 LC 3 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/7/2009 30-093-0005 3 0.8 ug/m3 LC 3 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/7/2009 30-093-0005 3 0.8 ug/m3 LC 3 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/24/2009 30-093-0009 3 0.7 ug/m3 LC 2 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/14/2009 30-093-0009 3 0.7 ug/m3 LC 2 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/8/2009 30-093-0009 3 0.6 ug/m3 LC 2 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/20/2009 30-093-0005 3 0.6 ug/m3 LC 2 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/31/2009 30-093-0009 3 0.5 ug/m3 LC 2 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/21/2009 30-093-0005 3 0.5 ug/m3 LC 2 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/2/2009 30-093-0009 3 0.3 ug/m3 LC 1 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/27/2009 30-093-0005 3 0.3 ug/m3 LC 1 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/13/2009 30-093-0009 3 0.2 ug/m3 LC 1 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/28/2009 30-093-0005 3 0.1 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/7/2009 30-093-0009 3 0 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/1/2009 30-093-0009 3 0 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/3/2009 30-093-0009 3 0 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537E.2.Butte-2009 Page 10

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 4/12/2009 30-093-0009 3 0 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/15/2009 30-093-0009 3 0 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/14/2009 30-093-0005 3 0 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/6/2009 30-093-0005 3 -0.1 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/5/2009 30-093-0005 3 -0.2 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/29/2009 30-093-0005 3 -0.4 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/12/2009 30-093-0009 3 -0.6 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/18/2009 30-093-0009 3 -0.6 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/8/2009 30-093-0009 3 -0.9 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/13/2009 30-093-0009 3 -1.1 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/2/2009 30-093-0009 3 -1.4 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/22/2009 30-093-0005 3 -1.4 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/28/2009 30-093-0009 3 -1.6 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/9/2009 30-093-0009 3 -1.9 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537E.2.Butte-2008 Page 1

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 1/24/200830-093-0009 3 35.9 ug/m3 LC 91 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/2/200830-093-0005 1 35.7 ug/m3 LC 91 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/17/200830-093-0005 1 35.2 ug/m3 LC 90 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/1/200830-093-0005 1 32.3 ug/m3 LC 84 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/23/200830-093-0009 3 28 ug/m3 LC 76 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/20/200830-093-0005 5 27.2 ug/m3 LC 74 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/2/200830-093-0009 3 26.2 ug/m3 LC 72 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/21/200830-093-0005 1 26 ug/m3 LC 72 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/21/200830-093-0009 3 25.8 ug/m3 LC 71 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/26/200830-093-0005 1 24.4 ug/m3 LC 69 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/20/200830-093-0005 1 24.3 ug/m3 LC 68 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/27/200830-093-0005 1 23.8 ug/m3 LC 67 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/25/200830-093-0009 3 23.5 ug/m3 LC 67 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/22/200830-093-0005 1 23.4 ug/m3 LC 67 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/3/200830-093-0009 3 23.2 ug/m3 LC 66 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/27/200830-093-0005 1 22 ug/m3 LC 64 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/23/200830-093-0005 1 22 ug/m3 LC 64 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/1/200830-093-0009 3 20.6 ug/m3 LC 61 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/15/200830-093-0005 1 19.8 ug/m3 LC 59 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/25/200830-093-0009 3 19.5 ug/m3 LC 59 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/22/200830-093-0009 3 19.3 ug/m3 LC 58 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/5/200830-093-0005 1 19 ug/m3 LC 58 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/16/200830-093-0009 3 19 ug/m3 LC 58 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/30/200830-093-0005 1 18.8 ug/m3 LC 57 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/16/200830-093-0009 3 18.8 ug/m3 LC 57 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/25/200830-093-0005 1 18.6 ug/m3 LC 57 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/20/200830-093-0009 3 18.6 ug/m3 LC 57 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/19/200830-093-0009 3 18.5 ug/m3 LC 57 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/7/200830-093-0005 1 18 ug/m3 LC 56 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/26/200830-093-0005 1 18 ug/m3 LC 56 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/7/200830-093-0005 1 17.7 ug/m3 LC 55 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/27/200830-093-0005 5 17.5 ug/m3 LC 55 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/10/200830-093-0005 1 17.4 ug/m3 LC 55 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/27/200830-093-0009 3 17.4 ug/m3 LC 55 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/17/200830-093-0009 3 17.2 ug/m3 LC 54 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/26/200830-093-0005 5 17.1 ug/m3 LC 54 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/14/200830-093-0009 3 16.9 ug/m3 LC 54 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/5/200830-093-0005 1 16.8 ug/m3 LC 54 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/27/200830-093-0009 3 16.7 ug/m3 LC 53 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/24/200830-093-0005 1 16.6 ug/m3 LC 53 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/21/200830-093-0009 3 16.6 ug/m3 LC 53 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/19/200830-093-0005 1 16.3 ug/m3 LC 53 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/24/200830-093-0009 3 16.3 ug/m3 LC 53 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/20/200830-093-0009 3 16.1 ug/m3 LC 52 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/12/200830-093-0009 3 15.7 ug/m3 LC 51 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/21/200830-093-0009 3 15.5 ug/m3 LC 51 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/11/200830-093-0005 1 15.2 ug/m3 LC 49 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/19/200830-093-0009 3 15.1 ug/m3 LC 49 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/5/200830-093-0009 3 14.9 ug/m3 LC 48 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/18/200830-093-0009 3 14.7 ug/m3 LC 48 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/17/200830-093-0009 3 14.6 ug/m3 LC 47 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/8/200830-093-0009 3 14.5 ug/m3 LC 47 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/26/200830-093-0009 3 14.5 ug/m3 LC 47 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/5/200830-093-0009 3 14.4 ug/m3 LC 47 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/17/200830-093-0009 3 14.1 ug/m3 LC 46 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/8/200830-093-0005 5 14.1 ug/m3 LC 46 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2008 Page 2

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 2/22/200830-093-0009 3 13.9 ug/m3 LC 45 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/29/200830-093-0009 3 13.9 ug/m3 LC 45 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/26/200830-093-0009 3 13.6 ug/m3 LC 44 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/8/200830-093-0005 1 13.4 ug/m3 LC 44 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/14/200830-093-0005 1 13.3 ug/m3 LC 43 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/7/200830-093-0009 3 13.2 ug/m3 LC 43 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/8/200830-093-0005 1 13.1 ug/m3 LC 43 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/24/200830-093-0009 3 13.1 ug/m3 LC 43 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/13/200830-093-0005 1 12.6 ug/m3 LC 41 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/27/200830-093-0009 3 12.6 ug/m3 LC 41 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/23/200830-093-0005 1 12.5 ug/m3 LC 41 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/7/200830-093-0009 3 12.5 ug/m3 LC 41 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/10/200830-093-0009 3 12.5 ug/m3 LC 41 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/3/200830-093-0005 1 12.3 ug/m3 LC 40 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/4/200830-093-0009 3 12.3 ug/m3 LC 40 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/24/200830-093-0009 3 12.3 ug/m3 LC 40 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/30/200830-093-0009 3 12.3 ug/m3 LC 40 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/28/200830-093-0009 3 12.2 ug/m3 LC 40 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/18/200830-093-0009 3 12.1 ug/m3 LC 39 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/14/200830-093-0005 5 12.1 ug/m3 LC 39 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/27/200830-093-0005 1 12 ug/m3 LC 39 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/24/200830-093-0009 3 12 ug/m3 LC 39 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/23/200830-093-0009 3 11.8 ug/m3 LC 38 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/9/200830-093-0009 3 11.7 ug/m3 LC 38 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/1/200830-093-0009 3 11.7 ug/m3 LC 38 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/25/200830-093-0009 3 11.6 ug/m3 LC 38 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/18/200830-093-0009 3 11.5 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/16/200830-093-0009 3 11.5 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/2/200830-093-0009 3 11.3 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/3/200830-093-0009 3 11.3 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/23/200830-093-0009 3 11.3 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/15/200830-093-0009 3 11.2 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/25/200830-093-0009 3 11.1 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/12/200830-093-0009 3 11 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/15/200830-093-0009 3 11 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/21/200830-093-0009 3 10.9 ug/m3 LC 35 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/18/200830-093-0005 1 10.8 ug/m3 LC 35 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/11/200830-093-0005 1 10.8 ug/m3 LC 35 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/8/200830-093-0005 1 10.7 ug/m3 LC 35 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/11/200830-093-0009 3 10.7 ug/m3 LC 35 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/23/200830-093-0009 3 10.7 ug/m3 LC 35 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/21/200830-093-0009 3 10.7 ug/m3 LC 35 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/26/200830-093-0009 3 10.3 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/19/200830-093-0009 3 10.3 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/22/200830-093-0009 3 10.2 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/16/200830-093-0005 1 10.1 ug/m3 LC 33 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/21/200830-093-0005 1 10.1 ug/m3 LC 33 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/10/200830-093-0005 1 10 ug/m3 LC 32 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/7/200830-093-0009 3 10 ug/m3 LC 32 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/8/200830-093-0009 3 10 ug/m3 LC 32 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/25/200830-093-0005 1 9.9 ug/m3 LC 32 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/3/200830-093-0009 3 9.9 ug/m3 LC 32 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/22/200830-093-0009 3 9.9 ug/m3 LC 32 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/30/200830-093-0005 1 9.8 ug/m3 LC 32 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/3/200830-093-0005 1 9.8 ug/m3 LC 32 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/14/200830-093-0009 3 9.8 ug/m3 LC 32 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537E.2.Butte-2008 Page 3

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 10/31/200830-093-0009 3 9.8 ug/m3 LC 32 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/24/200830-093-0005 1 9.7 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/30/200830-093-0009 3 9.7 ug/m3 LC 31 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/27/200830-093-0009 3 9.7 ug/m3 LC 31 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/13/200830-093-0005 1 9.6 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/25/200830-093-0005 1 9.4 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/20/200830-093-0005 1 9.4 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/28/200830-093-0005 1 9.3 ug/m3 LC 30 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/24/200830-093-0005 1 9.3 ug/m3 LC 30 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/8/200830-093-0009 3 9.3 ug/m3 LC 30 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/23/200830-093-0009 3 9.3 ug/m3 LC 30 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/27/200830-093-0005 1 9.2 ug/m3 LC 30 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/19/200830-093-0009 3 9.2 ug/m3 LC 30 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/29/200830-093-0009 3 9.2 ug/m3 LC 30 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/1/200830-093-0009 3 9.2 ug/m3 LC 30 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/2/200830-093-0005 5 9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/18/200830-093-0005 1 8.9 ug/m3 LC 29 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/29/200830-093-0009 3 8.9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/17/200830-093-0009 3 8.9 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/3/200830-093-0005 1 8.8 ug/m3 LC 29 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/1/200830-093-0009 3 8.8 ug/m3 LC 29 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/28/200830-093-0009 3 8.7 ug/m3 LC 28 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/2/200830-093-0005 1 8.6 ug/m3 LC 28 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/14/200830-093-0005 1 8.6 ug/m3 LC 28 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/3/200830-093-0009 3 8.6 ug/m3 LC 28 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/14/200830-093-0009 3 8.6 ug/m3 LC 28 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/2/200830-093-0009 3 8.6 ug/m3 LC 28 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/19/200830-093-0009 3 8.5 ug/m3 LC 28 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/5/200830-093-0009 3 8.5 ug/m3 LC 28 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/19/200830-093-0005 1 8.4 ug/m3 LC 27 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/13/200830-093-0009 3 8.4 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/18/200830-093-0009 3 8.4 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/12/200830-093-0005 1 8.3 ug/m3 LC 27 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/10/200830-093-0009 3 8.3 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/14/200830-093-0009 3 8.3 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/22/200830-093-0009 3 8.2 ug/m3 LC 27 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/28/200830-093-0005 1 8.1 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/18/200830-093-0005 1 8.1 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/6/200830-093-0009 3 8.1 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/6/200830-093-0009 3 8.1 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/15/200830-093-0009 3 8.1 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/13/200830-093-0009 3 8.1 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/20/200830-093-0009 3 8.1 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/11/200830-093-0009 3 8 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/18/200830-093-0009 3 8 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/29/200830-093-0005 1 7.9 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/7/200830-093-0005 1 7.9 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/9/200830-093-0005 1 7.9 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/15/200830-093-0005 1 7.8 ug/m3 LC 25 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/16/200830-093-0009 3 7.8 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/11/200830-093-0009 3 7.8 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/17/200830-093-0009 3 7.8 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/24/200830-093-0009 3 7.8 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/22/200830-093-0009 3 7.8 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/23/200830-093-0009 3 7.8 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/22/200830-093-0009 3 7.7 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537E.2.Butte-2008 Page 4

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 5/6/200830-093-0005 1 7.6 ug/m3 LC 25 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/9/200830-093-0009 3 7.6 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/9/200830-093-0009 3 7.6 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/9/200830-093-0009 3 7.6 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/13/200830-093-0009 3 7.6 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/2/200830-093-0009 3 7.5 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/3/200830-093-0009 3 7.5 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/9/200830-093-0005 1 7.4 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/17/200830-093-0005 1 7.4 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/20/200830-093-0009 3 7.3 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/20/200830-093-0009 3 7.3 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/15/200830-093-0009 3 7.3 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/21/200830-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/25/200830-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/4/200830-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/8/200830-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/15/200830-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/18/200830-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/19/200830-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/29/200830-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/11/200830-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/18/200830-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/12/200830-093-0005 1 7.1 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/28/200830-093-0009 3 7.1 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/8/200830-093-0009 3 7.1 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/3/200830-093-0005 1 7 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/9/200830-093-0005 1 7 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/12/200830-093-0009 3 7 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/4/200830-093-0009 3 7 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/16/200830-093-0009 3 7 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/21/200830-093-0009 3 7 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/7/200830-093-0009 3 7 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/15/200830-093-0005 1 6.9 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/1/200830-093-0009 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/23/200830-093-0009 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/6/200830-093-0009 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/19/200830-093-0009 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/20/200830-093-0009 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/17/200830-093-0009 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/3/200830-093-0009 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/6/200830-093-0009 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/30/200830-093-0009 3 6.9 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/13/200830-093-0009 3 6.8 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/21/200830-093-0009 3 6.8 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/20/200830-093-0009 3 6.8 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/22/200830-093-0009 3 6.8 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/22/200830-093-0005 1 6.6 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/29/200830-093-0005 1 6.6 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/9/200830-093-0009 3 6.6 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/29/200830-093-0009 3 6.6 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/17/200830-093-0009 3 6.6 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/6/200830-093-0005 1 6.5 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/4/200830-093-0009 3 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/5/200830-093-0009 3 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/9/200830-093-0009 3 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/17/200830-093-0009 3 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537E.2.Butte-2008 Page 5

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 7/10/200830-093-0009 3 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/30/200830-093-0009 3 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/21/200830-093-0005 1 6.4 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/7/200830-093-0009 3 6.4 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/2/200830-093-0009 3 6.4 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/21/200830-093-0009 3 6.4 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/4/200830-093-0005 1 6.3 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/9/200830-093-0005 1 6.3 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/18/200830-093-0009 3 6.3 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/18/200830-093-0005 1 6.2 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/16/200830-093-0009 3 6.2 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/25/200830-093-0009 3 6.2 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/20/200830-093-0005 1 6.1 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/29/200830-093-0005 1 6.1 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/13/200830-093-0009 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/17/200830-093-0009 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/2/200830-093-0009 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/3/200830-093-0009 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/25/200830-093-0009 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/2/200830-093-0009 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/28/200830-093-0009 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/8/200830-093-0009 3 6.1 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/24/200830-093-0009 3 6 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/14/200830-093-0009 3 6 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/23/200830-093-0009 3 6 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/24/200830-093-0009 3 6 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/28/200830-093-0009 3 6 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/29/200830-093-0009 3 6 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/14/200830-093-0005 1 5.9 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/4/200830-093-0005 1 5.9 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/20/200830-093-0009 3 5.9 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/19/200830-093-0009 3 5.9 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/30/200830-093-0009 3 5.9 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/26/200830-093-0009 3 5.9 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/28/200830-093-0009 3 5.8 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/10/200830-093-0009 3 5.8 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/11/200830-093-0009 3 5.8 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/3/200830-093-0009 3 5.8 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/5/200830-093-0009 3 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/28/200830-093-0009 3 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/26/200830-093-0009 3 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/30/200830-093-0009 3 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/6/200830-093-0009 3 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/7/200830-093-0009 3 5.7 ug/m3 LC 19 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/16/200830-093-0005 1 5.6 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/26/200830-093-0005 1 5.6 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/6/200830-093-0005 1 5.6 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/12/200830-093-0005 1 5.6 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/20/200830-093-0005 1 5.6 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/31/200830-093-0009 3 5.6 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/15/200830-093-0009 3 5.6 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/17/200830-093-0009 3 5.6 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/18/200830-093-0009 3 5.6 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/20/200830-093-0005 5 5.6 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/10/200830-093-0005 1 5.5 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/23/200830-093-0009 3 5.5 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537E.2.Butte-2008 Page 6

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 6/12/200830-093-0009 3 5.5 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/1/200830-093-0009 3 5.5 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/26/200830-093-0009 3 5.5 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/11/200830-093-0005 1 5.4 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/16/200830-093-0005 1 5.4 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/30/200830-093-0009 3 5.4 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/22/200830-093-0009 3 5.4 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/14/200830-093-0009 3 5.4 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/31/200830-093-0009 3 5.4 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/31/200830-093-0005 1 5.3 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/10/200830-093-0009 3 5.3 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/1/200830-093-0009 3 5.3 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/14/200830-093-0005 1 5.2 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/13/200830-093-0005 1 5.2 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/31/200830-093-0005 1 5.2 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/18/200830-093-0009 3 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/31/200830-093-0009 3 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/6/200830-093-0009 3 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/26/200830-093-0009 3 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/15/200830-093-0009 3 5.2 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/3/200830-093-0005 1 5.1 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/13/200830-093-0009 3 5.1 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/5/200830-093-0009 3 5.1 ug/m3 LC 17 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/6/200830-093-0005 1 5 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/27/200830-093-0009 3 5 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/9/200830-093-0009 3 5 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/17/200830-093-0009 3 4.9 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/10/200830-093-0009 3 4.8 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/22/200830-093-0009 3 4.8 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/4/200830-093-0009 3 4.8 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/30/200830-093-0009 3 4.8 ug/m3 LC 16 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/1/200830-093-0005 1 4.7 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/30/200830-093-0005 1 4.7 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/23/200830-093-0005 1 4.7 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/13/200830-093-0009 3 4.7 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/11/200830-093-0009 3 4.7 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/16/200830-093-0009 3 4.7 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/6/200830-093-0009 3 4.7 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/19/200830-093-0009 3 4.6 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/23/200830-093-0009 3 4.6 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/8/200830-093-0009 3 4.6 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/20/200830-093-0009 3 4.6 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/11/200830-093-0009 3 4.6 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/20/200830-093-0009 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/29/200830-093-0009 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/24/200830-093-0009 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/15/200830-093-0009 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/10/200830-093-0009 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/25/200830-093-0009 3 4.5 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/4/200830-093-0009 3 4.4 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/26/200830-093-0009 3 4.4 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/27/200830-093-0009 3 4.4 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/27/200830-093-0009 3 4.4 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/12/200830-093-0009 3 4.3 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/24/200830-093-0009 3 4.3 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/27/200830-093-0009 3 4.3 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537E.2.Butte-2008 Page 7

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 8/16/200830-093-0009 3 4.3 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/31/200830-093-0005 1 4.2 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/14/200830-093-0009 3 4.2 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/14/200830-093-0009 3 4.2 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/2/200830-093-0005 5 4.2 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/9/200830-093-0009 3 4.1 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/16/200830-093-0009 3 4.1 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/9/200830-093-0009 3 4.1 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/16/200830-093-0009 3 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/12/200830-093-0009 3 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/25/200830-093-0009 3 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/29/200830-093-0009 3 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/5/200830-093-0009 3 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/8/200830-093-0009 3 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/30/200830-093-0009 3 3.9 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/12/200830-093-0009 3 3.9 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/2/200830-093-0005 1 3.8 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/12/200830-093-0009 3 3.8 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/1/200830-093-0009 3 3.8 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/14/200830-093-0009 3 3.8 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/14/200830-093-0009 3 3.8 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/12/200830-093-0005 1 3.7 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/4/200830-093-0005 1 3.7 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/30/200830-093-0005 1 3.7 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/2/200830-093-0005 1 3.7 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/28/200830-093-0009 3 3.7 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/15/200830-093-0009 3 3.7 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/15/200830-093-0009 3 3.7 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/12/200830-093-0005 1 3.6 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/2/200830-093-0009 3 3.6 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/24/200830-093-0009 3 3.6 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/10/200830-093-0009 3 3.6 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/2/200830-093-0009 3 3.6 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/6/200830-093-0009 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/11/200830-093-0009 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/8/200830-093-0009 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/24/200830-093-0009 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/25/200830-093-0009 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/10/200830-093-0009 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/20/200830-093-0009 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/24/200830-093-0005 1 3.4 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/4/200830-093-0009 3 3.4 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/10/200830-093-0009 3 3.4 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/9/200830-093-0005 1 3.3 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/30/200830-093-0009 3 3.3 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/15/200830-093-0005 1 3.2 ug/m3 LC 10 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/8/200830-093-0005 1 3.2 ug/m3 LC 10 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/28/200830-093-0005 1 3.2 ug/m3 LC 10 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/4/200830-093-0009 3 3.2 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/17/200830-093-0009 3 3.2 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/7/200830-093-0009 3 3.2 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/12/200830-093-0009 3 3.1 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/16/200830-093-0009 3 3 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/16/200830-093-0009 3 3 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/3/200830-093-0009 3 3 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/13/200830-093-0009 3 3 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537E.2.Butte-2008 Page 8

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 4/15/200830-093-0005 1 2.9 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/7/200830-093-0009 3 2.9 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/9/200830-093-0009 3 2.9 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/8/200830-093-0009 3 2.9 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/19/200830-093-0009 3 2.9 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/22/200830-093-0005 1 2.8 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/5/200830-093-0009 3 2.8 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/26/200830-093-0009 3 2.8 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/5/200830-093-0009 3 2.8 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/9/200830-093-0009 3 2.8 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/9/200830-093-0009 3 2.8 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/20/200830-093-0009 3 2.7 ug/m3 LC 9 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/5/200830-093-0005 1 2.6 ug/m3 LC 8 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/21/200830-093-0005 1 2.6 ug/m3 LC 8 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/27/200830-093-0009 3 2.6 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/8/200830-093-0009 3 2.6 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/28/200830-093-0009 3 2.6 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/21/200830-093-0005 1 2.4 ug/m3 LC 8 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/11/200830-093-0009 3 2.4 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/19/200830-093-0009 3 2.4 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/14/200830-093-0009 3 2.4 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/1/200830-093-0009 3 2.2 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/23/200830-093-0009 3 2.2 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/11/200830-093-0009 3 2.1 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/3/200830-093-0009 3 2.1 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/12/200830-093-0009 3 2 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/18/200830-093-0009 3 2 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/6/200830-093-0009 3 1.9 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/2/200830-093-0009 3 1.9 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/29/200830-093-0009 3 1.9 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/15/200830-093-0009 3 1.8 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/7/200830-093-0009 3 1.7 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/13/200830-093-0009 3 1.7 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/22/200830-093-0009 3 1.7 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/3/200830-093-0009 3 1.7 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/14/200830-093-0009 3 1.7 ug/m3 LC 6 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/31/200830-093-0009 3 1.5 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/4/200830-093-0009 3 1.5 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/6/200830-093-0009 3 1.5 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/15/200830-093-0009 3 1.5 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/22/200830-093-0009 3 1.5 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/21/200830-093-0005 5 1.5 ug/m3 LC 5 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/11/200830-093-0009 3 1.3 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/11/200830-093-0005 1 1.2 ug/m3 LC 4 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/7/200830-093-0009 3 1.2 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/21/200830-093-0009 3 1.2 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/4/200830-093-0009 3 1.2 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/6/200830-093-0009 3 1.2 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/26/200830-093-0005 5 1.2 ug/m3 LC 4 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/13/200830-093-0009 3 0.9 ug/m3 LC 3 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/29/200830-093-0009 3 0.9 ug/m3 LC 3 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/23/200830-093-0009 3 0.9 ug/m3 LC 3 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/21/200830-093-0009 3 0.9 ug/m3 LC 3 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/2/200830-093-0009 3 0.9 ug/m3 LC 3 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/25/200830-093-0009 3 0.7 ug/m3 LC 2 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/4/200830-093-0009 3 0.6 ug/m3 LC 2 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537E.2.Butte-2008 Page 9

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 11/12/200830-093-0009 3 0.6 ug/m3 LC 2 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/10/200830-093-0009 3 0.4 ug/m3 LC 1 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/5/200830-093-0009 3 0.1 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/7/200830-093-0009 3 0.1 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/27/200830-093-0009 3 0 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/12/200830-093-0009 3 0 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/13/200830-093-0009 3 -0.2 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/11/200830-093-0009 3 -0.4 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/21/200830-093-0009 3 -0.5 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/10/200830-093-0009 3 -0.7 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/1/200830-093-0009 3 -0.9 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/29/200830-093-0009 3 -0.9 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 8/26/200830-093-0009 3 -1 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/5/200830-093-0009 3 -1 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/13/200830-093-0009 3 -1 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/28/200830-093-0009 3 -1.7 ug/m3 LC 0 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537E.2.Butte-2007 Page 1

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 1/15/2007 30-093-0005 1 29.7 ug/m3 LC 79 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/24/2007 30-093-0005 1 27 ug/m3 LC 74 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/21/2007 30-093-0009 3 26.9 ug/m3 LC 73 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/24/2007 30-093-0009 3 26.5 ug/m3 LC 73 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/26/2007 30-093-0005 1 26 ug/m3 LC 72 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/26/2007 30-093-0009 3 25.3 ug/m3 LC 70 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/18/2007 30-093-0005 1 24.9 ug/m3 LC 69 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/23/2007 30-093-0009 3 24.9 ug/m3 LC 69 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/11/2007 30-093-0005 1 23.4 ug/m3 LC 67 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/22/2007 30-093-0009 3 23.1 ug/m3 LC 66 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/22/2007 30-093-0009 3 21.8 ug/m3 LC 63 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/15/2007 30-093-0005 1 21.5 ug/m3 LC 63 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/11/2007 30-093-0009 3 21.4 ug/m3 LC 63 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/30/2007 30-093-0005 1 20.3 ug/m3 LC 60 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/14/2007 30-093-0005 1 19.7 ug/m3 LC 59 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/27/2007 30-093-0005 1 19.3 ug/m3 LC 58 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/2/2007 30-093-0005 1 19.1 ug/m3 LC 58 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/2/2007 30-093-0005 1 19 ug/m3 LC 58 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/14/2007 30-093-0005 1 18 ug/m3 LC 56 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/8/2007 30-093-0005 1 17.7 ug/m3 LC 55 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/1/2007 30-093-0009 3 17.5 ug/m3 LC 55 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/24/2007 30-093-0005 1 17.1 ug/m3 LC 54 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/20/2007 30-093-0005 1 17 ug/m3 LC 54 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/4/2007 30-093-0005 1 16.7 ug/m3 LC 53 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/11/2007 30-093-0005 1 15.1 ug/m3 LC 49 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/11/2007 30-093-0005 1 15.1 ug/m3 LC 49 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/2/2007 30-093-0005 1 14.2 ug/m3 LC 46 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/30/2007 30-093-0009 3 14.2 ug/m3 LC 46 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/7/2007 30-093-0005 1 14 ug/m3 LC 45 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/5/2007 30-093-0005 1 13.4 ug/m3 LC 44 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/17/2007 30-093-0005 1 13.3 ug/m3 LC 43 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/5/2007 30-093-0005 1 13.3 ug/m3 LC 43 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/27/2007 30-093-0005 1 13.2 ug/m3 LC 43 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 2/8/2007 30-093-0005 1 13.1 ug/m3 LC 43 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/20/2007 30-093-0009 3 13.1 ug/m3 LC 43 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/17/2007 30-093-0005 1 13 ug/m3 LC 42 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/7/2007 30-093-0009 3 12.6 ug/m3 LC 41 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/5/2007 30-093-0005 1 12.4 ug/m3 LC 40 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/27/2007 30-093-0009 3 12.3 ug/m3 LC 40 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/9/2007 30-093-0009 3 12.2 ug/m3 LC 40 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/18/2007 30-093-0005 1 12 ug/m3 LC 39 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/29/2007 30-093-0005 1 11.8 ug/m3 LC 38 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/2/2007 30-093-0009 3 11.8 ug/m3 LC 38 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/26/2007 30-093-0005 1 11.7 ug/m3 LC 38 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/10/2007 30-093-0009 3 11.6 ug/m3 LC 38 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/31/2007 30-093-0005 1 11.5 ug/m3 LC 37 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/14/2007 30-093-0005 1 11.5 ug/m3 LC 37 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/8/2007 30-093-0009 3 11.5 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/17/2007 30-093-0009 3 11.4 ug/m3 LC 37 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/8/2007 30-093-0005 1 11.3 ug/m3 LC 37 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/1/2007 30-093-0005 1 11.2 ug/m3 LC 36 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/15/2007 30-093-0005 1 11.1 ug/m3 LC 36 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/29/2007 30-093-0009 3 11.1 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/12/2007 30-093-0009 3 11.1 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/13/2007 30-093-0009 3 11 ug/m3 LC 36 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/5/2007 30-093-0005 1 10.6 ug/m3 LC 34 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2007 Page 2

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 4/18/2007 30-093-0005 1 10.5 ug/m3 LC 34 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/11/2007 30-093-0009 3 10.2 ug/m3 LC 33 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/29/2007 30-093-0005 1 10.1 ug/m3 LC 33 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/16/2007 30-093-0009 3 9.8 ug/m3 LC 32 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/30/2007 30-093-0005 1 9.7 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/17/2007 30-093-0005 1 9.6 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/5/2007 30-093-0009 3 9.5 ug/m3 LC 31 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/6/2007 30-093-0009 3 9.5 ug/m3 LC 31 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/15/2007 30-093-0009 3 9.5 ug/m3 LC 31 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/10/2007 30-093-0005 1 9.4 ug/m3 LC 31 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/14/2007 30-093-0009 3 9.2 ug/m3 LC 30 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/16/2007 30-093-0005 1 9.1 ug/m3 LC 30 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/5/2007 30-093-0005 1 9.1 ug/m3 LC 30 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/19/2007 30-093-0005 1 9 ug/m3 LC 29 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/15/2007 30-093-0005 1 8.8 ug/m3 LC 29 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/12/2007 30-093-0009 3 8.7 ug/m3 LC 28 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/9/2007 30-093-0005 1 8.1 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/14/2007 30-093-0009 3 8 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/23/2007 30-093-0005 1 7.9 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/8/2007 30-093-0005 1 7.9 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 7/14/2007 30-093-0005 1 7.9 ug/m3 LC 26 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/27/2007 30-093-0009 3 7.9 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/7/2007 30-093-0009 3 7.9 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/25/2007 30-093-0009 3 7.9 ug/m3 LC 26 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/29/2007 30-093-0005 1 7.8 ug/m3 LC 25 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/27/2007 30-093-0005 1 7.6 ug/m3 LC 25 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/19/2007 30-093-0009 3 7.6 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/25/2007 30-093-0009 3 7.6 ug/m3 LC 25 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 9/21/2007 30-093-0005 1 7.4 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/30/2007 30-093-0005 1 7.3 ug/m3 LC 24 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/18/2007 30-093-0009 3 7.3 ug/m3 LC 24 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/12/2007 30-093-0005 1 7.2 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/21/2007 30-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/26/2007 30-093-0009 3 7.2 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 5/12/2007 30-093-0005 1 7.1 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/21/2007 30-093-0005 1 7 ug/m3 LC 23 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/15/2007 30-093-0009 3 7 ug/m3 LC 23 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 7/2/2007 30-093-0005 1 6.9 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/18/2007 30-093-0005 1 6.7 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/23/2007 30-093-0005 1 6.7 ug/m3 LC 22 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/18/2007 30-093-0009 3 6.7 ug/m3 LC 22 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/26/2007 30-093-0005 1 6.6 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/28/2007 30-093-0009 3 6.5 ug/m3 LC 21 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/20/2007 30-093-0005 1 6.4 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/17/2007 30-093-0005 1 6.4 ug/m3 LC 21 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/24/2007 30-093-0005 1 6.3 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/28/2007 30-093-0009 3 6.3 ug/m3 LC 20 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/25/2007 30-093-0005 1 6.2 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/30/2007 30-093-0005 1 6.1 ug/m3 LC 20 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/22/2007 30-093-0005 1 6 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/12/2007 30-093-0005 1 6 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/3/2007 30-093-0005 1 5.9 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/21/2007 30-093-0005 1 5.9 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/6/2007 30-093-0005 1 5.9 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 1/9/2007 30-093-0005 1 5.8 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/27/2007 30-093-0005 1 5.7 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501E.2.Butte-2007 Page 3

Date AQS_SITE_ID POC Daily Mean PM2.5 Concentration UNITS DAILY_AQI_VALUE

DAILY_OBS_COUNT

PERCENT_COMPLETE

AQS_PARAMETER_CODE

AQS_PARAMETER_DESC

CSA_CODECSA_NAMECBSA_CODE CBSA_NAME

STATE_CODE

STATE COUNTY_CODE

COUNTY SITE_LATITUDE

SITE_LONGITUDE 7/11/2007 30-093-0005 1 5.7 ug/m3 LC 19 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/8/2007 30-093-0005 1 5.6 ug/m3 LC 18 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/29/2007 30-093-0009 3 5.5 ug/m3 LC 18 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 2/23/2007 30-093-0005 1 5.2 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/27/2007 30-093-0005 1 5.2 ug/m3 LC 17 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/26/2007 30-093-0005 1 4.8 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/21/2007 30-093-0005 1 4.8 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/20/2007 30-093-0005 1 4.8 ug/m3 LC 16 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 8/22/2007 30-093-0005 1 4.7 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/8/2007 30-093-0009 3 4.7 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/20/2007 30-093-0009 3 4.7 ug/m3 LC 15 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/6/2007 30-093-0005 1 4.6 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/6/2007 30-093-0005 1 4.6 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 6/14/2007 30-093-0005 1 4.5 ug/m3 LC 15 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/24/2007 30-093-0005 1 4.3 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/30/2007 30-093-0005 1 4.2 ug/m3 LC 14 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/4/2007 30-093-0009 3 4.2 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/19/2007 30-093-0009 3 4.2 ug/m3 LC 14 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 12/3/2007 30-093-0009 3 4.1 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 4/9/2007 30-093-0005 1 4 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/3/2007 30-093-0005 1 4 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/17/2007 30-093-0009 3 4 ug/m3 LC 13 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/2/2007 30-093-0005 1 3.9 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/9/2007 30-093-0005 1 3.9 ug/m3 LC 13 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 9/24/2007 30-093-0005 1 3.8 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 4/15/2007 30-093-0005 1 3.7 ug/m3 LC 12 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/23/2007 30-093-0009 3 3.7 ug/m3 LC 12 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 11/13/2007 30-093-0009 3 3.5 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 10/18/2007 30-093-0005 1 3.4 ug/m3 LC 11 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/24/2007 30-093-0009 3 3.3 ug/m3 LC 11 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/17/2007 30-093-0005 1 3.2 ug/m3 LC 10 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 3/13/2007 30-093-0005 1 3.1 ug/m3 LC 10 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/30/2007 30-093-0009 3 3.1 ug/m3 LC 10 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 3/28/2007 30-093-0005 1 2.9 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 10/6/2007 30-093-0005 1 2.7 ug/m3 LC 9 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 11/16/2007 30-093-0009 3 2.5 ug/m3 LC 8 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 6/11/2007 30-093-0005 1 2.4 ug/m3 LC 8 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 12/31/2007 30-093-0009 3 2.2 ug/m3 LC 7 1 100 88502Acceptable PM2.5 AQI & Speciation Mass 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 45.99879 -112.537 1/6/2007 30-093-0005 1 2 ug/m3 LC 6 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501 5/21/2007 30-093-0005 1 1.3 ug/m3 LC 4 1 100 88101 PM2.5 - Local Conditions 15580 Butte-Silver Bow, MT 30 Montana 93Silver Bow 46.0024 -112.501