UNITED STATES ENVIRONMENTAL PROTECTION AGENCY MAXIMUM VALUES REPORT Apr. 30, 2012 Report Request ID:987643 Report Code:AMP440

Selection Criteria Page 1 User ID:HDY

State County City

Site Parameter POC AQCR UAR CBSA CSAEPA RegionMethod Duration Begin Date End Date 53 053 GEOGRAPHIC SELECTIONS PROTOCOL SELECTIONS Parameter ClassificationParameter Method Duration 88500 88501 88502 88101 SELECTED OPTIONS EVENTS PROCESSING MERGE PDF FILES Option Type Option Value REPORT ALL EVENT RECORDS

YES SORT ORDER 1 2 3 4 5 6 7 8 Order Column

PARAMETER_CODE STATE_CODE DURATION_CODE DATES COUNTY_CODE SITE_ID POC EDT_ID GLOBAL DATES 2006 Start Date End Date 2011 Tribal Code

APPLICABLE STANDARDS Standard Description PM25 Annual 2006EXCEPTIONAL DATA TYPES EDT DESCRIPTION 0 1 2 5NO EVENTS EVENTS EXCLUDED EVENTS INCLUDED EVENTS WITH CONCURRENCE EXCLUDEDUNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 2 of 33 Washington Washington PM2.5 - Local Conditions (88101)

PM2.5 - Local Conditions (88101) Primary: Primary: Secondary:

Secondary: 2010

2011 1 HOUR

1 HOUR Duration:

Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit:

Unit: 53-053-0029 53-053-0029 53-053-0029 Tacoma Tacoma Tacoma Pierce Pierce Pierce 100 361 8389 0 0 0 3 4 3 44.8 55.9 131.2 12/31:01 12/18:01 01/01:21 181 181 181 Year:

Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 39.7 53.4 130.9 12/31:23 12/18:02 01/01:03 39.4

48.3 114.9 12/31:02 12/18:00 01/01:04 38.0

45.0 111.0 12/31:00 12/16:21 01/02:04 37.9

39.5 99.8 12/31:22 12/31:01 01/01:23 36.9 39.4 99.5 12/31:04 12/31:02 01/02:03 36.6

37.7 98.2 12/30:23 12/16:22 01/02:00 36.4

37.7 95.0 12/31:09 12/31:00 01/01:22 32.9

36.9 93.9 12/31:03 12/16:20 01/02:01 32.6

36.7 91.5 12/30:22 12/31:22 01/02:05 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State:

State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 3 of 33 Washington Washington Washington PM2.5 - Local Conditions (88101) PM2.5 - Local Conditions (88101) PM2.5 - Local Conditions (88101) 35 35 Primary: Primary: Primary:35

35 Secondary: Secondary: Secondary: 2011 2006 2007 1 HOUR 24 HOUR 24 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0029 53-053-0029 53-053-0029 Tacoma Tacoma Tacoma Pierce Pierce Pierce 8393 117 117 0 0 0 4 1 1 129.9 68.0 58.6 01/01:21 12/16:00 01/15:00 181 118 118 Year: Year: Year: 0 0 Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 126.2 50.2 46.7 01/01:03 12/31:00 02/02:00 111.1

42.7 45.3 01/01:04 12/28:00 11/23:00 105.8

33.7 44.7 01/02:04 02/19:00 01/12:00 104.3

32.6 38.2 11/20:00 12/19:00 01/30:00 97.8 32.3 31.7 01/02:03 11/01:00 10/27:00 97.7

29.4 31.5 01/01:23 02/07:00 11/08:00 96.7

21.9 30.8 01/02:00 10/11:00 01/27:00 95.6

20.3 26.5 11/19:23 02/25:00 01/24:00 93.1

17.9 23.7 01/02:01 03/12:00 11/02:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 4 of 33 Washington Washington Washington PM2.5 - Local Conditions (88101) PM2.5 - Local Conditions (88101) PM2.5 - Local Conditions (88101) 35 35 35 Primary: Primary: Primary:35

35 35 Secondary: Secondary: Secondary: 2008 2009 2010 24 HOUR 24 HOUR 24 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0029 53-053-0029 53-053-0029 Tacoma Tacoma Tacoma Pierce Pierce Pierce 121 115 341 0 0 0 1 1 1 49.7 50.7 26.8 01/25:00 12/12:00 10/17:00 118 118 118 Year: Year: Year: 0 0 0 Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 49.2 49.9 26.7 12/23:00 12/03:00 10/18:00 44.2

47.6 26.5 01/24:00 12/09:00 12/31:00 39.2

44.4 24.8 12/05:00 12/27:00 02/22:00 31.7

43.3 22.0 02/18:00 12/24:00 10/19:00 31.1 39.3 21.8 02/21:00 01/19:00 10/20:00 28.2

36.8 21.4 11/23:00 02/03:00 12/06:00 24.6

28.6 21.1 10/30:00 02/21:00 11/25:00 23.8

27.0 20.9 10/27:00 02/18:00 02/09:00 23.5

23.2 20.4 11/14:00 01/22:00 01/28:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 5 of 33 Washington Washington Washington PM2.5 - Local Conditions (88101) PM2.5 - Local Conditions (88101)

PM2.5 - Local Conditions (88101) 35 35

35 Primary: Primary: Primary:35

35

35 Secondary: Secondary:

Secondary: 2011 2010

2011 24 HOUR 24-HR BLK AVG

24-HR BLK AVG Duration: Duration:

Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit:

Unit: 53-053-0029 53-053-0029 53-053-0029 Tacoma Tacoma Tacoma Pierce Pierce Pierce 353 4 15 0

0 0 1 3 4 55.9 25.4 23.5 01/01:00 12/31:00 12/31:00 118 181 181 Year: Year:

Year: 0 0 0 Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 47.3 11.7 13.0 01/02:00 12/30:00 12/17:00 42.5

7.7 12.8 01/03:00 12/29:00 12/18:00 39.0

3.4 10.4 12/13:00 12/28:00 12/30:00 38.2

7.0 12/09:00

12/23:00 37.7

6.6 12/10:00

12/19:00 35.8

6.6 11/20:00

12/29:00 35.7

6.3 02/02:00

12/20:00 34.6

6.3 12/06:00

12/22:00 33.5

5.7 11/06:00

12/25:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State:

State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 6 of 33 Washington Washington PM2.5 - Local Conditions (88101) Acceptable PM2.5 AQI & Speciation Mass (88502) 35 Primary: Primary:35 Secondary:

Secondary: 2011

2006 24-HR BLK AVG

1 HOUR Duration:

Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit:

Unit: 53-053-0029 53-053-0029 53-053-0029 Tacoma Tacoma Tacoma Pierce Pierce Pierce 352 352 8626 0 0 0 3 4 3 57.5 55.9 133.0 01/01:00 01/01:00 12/17:20 181 181 712 Year:

Year: 0 0 Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 713 48.6 46.6 130.0 01/02:00 01/02:00 12/17:21 42.4

41.9 114.0 01/03:00 12/13:00 12/17:02 35.1

39.9 114.0 02/02:00 01/03:00 12/17:03 30.3

36.4 114.0 01/04:00 11/20:00 12/17:19 30.1 36.4 113.0 11/06:00 12/09:00 12/17:22 28.6

36.0 112.0 12/10:00 12/10:00 12/31:23 27.9

34.3 110.0 11/20:00 12/05:00 12/16:20 27.8

34.1 107.0 02/11:00 02/02:00 12/18:04 26.6

33.8 106.0 12/06:00 11/06:00 12/16:19 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State:

State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 7 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2006 2006 2006 1 HOUR 1 HOUR 1 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0029 53-053-0031 53-053-1018 Tacoma Tacoma South Hill Pierce Pierce Pierce 8368 8728 7757 0 0 0 4 4 4 156.0 121.0 132.0 12/17:20 12/17:00 12/17:00 771 771 771 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 155.0 114.0 129.0 12/17:21 12/17:02 12/16:23 150.0

113.0 127.0 12/17:03 12/16:23 12/17:01 145.0

109.0 126.0 12/18:04 12/17:03 12/16:22 144.0

101.0 117.0 12/17:02 12/17:01 07/04:21 142.0 100.0 107.0 12/17:22 12/16:22 12/16:21 138.0

88.0 100.0 12/18:01 12/16:21 12/17:02 138.0

85.0 90.0 12/18:03 12/17:05 12/18:20 134.0

84.0 88.0 12/17:04 12/16:20 07/04:22 134.0

83.0 85.0 12/17:19 12/17:04 12/16:20 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 8 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary:

Secondary: 2006 2006

2007 1 HOUR 1 HOUR

1 HOUR Duration: Duration:

Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit:

Unit: 53-053-1020 53-053-1022 53-053-1022 Puyallup Waller Waller Pierce Pierce Pierce 7297 1091 1416 0 0 0 4 3 4 105.3 142.8 116.7 07/04:21 12/16:22 12/17:02 771 731 771 Year: Year:

Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 55.4 139.2 111.6 09/29:11 12/17:02 12/16:23 52.9

138.0 111.5 10/13:11 12/17:03 12/17:03 52.3

135.6 110.0 07/04:20 12/16:21 12/17:01 45.1

130.8 108.7 09/05:09 12/16:20 12/16:21 43.2 129.6 108.2 09/22:09 12/17:01 12/17:00 40.6

126.0 104.3 11/02:20 12/16:23 12/16:22 40.3

126.0 102.9 10/13:10 12/17:00 12/16:20 39.8

121.3 100.2 09/29:10 12/16:19 12/17:05 39.1

118.8 99.4 11/02:21 12/17:06 12/17:04 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State:

State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 9 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary:

Secondary: Secondary: 2007

2007 2007 1 HOUR

1 HOUR 1 HOUR Duration:

Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit:

Unit: Unit: 53-053-0029 53-053-0029 53-053-0031 Tacoma Tacoma Tacoma Pierce Pierce Pierce 8245 4248 8728 0 0 0 3 4 4 133.0 136.0 82.0 01/01:01 01/01:01 01/27:22 712 771 771 Year:

Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 713 120.0 127.0 80.0 01/01:00 01/01:00 01/27:21 105.4

102.0 79.0 11/24:01 01/12:23 01/27:23 99.0

101.0 73.0 11/24:00 01/12:22 01/28:00 93.5

99.0 73.0 11/23:23 01/29:00 01/28:01 84.5 95.0 72.0 11/23:22 01/13:01 01/27:20 84.0

95.0 68.0 01/01:02 01/29:22 01/28:02 83.0

94.0 67.0 01/01:03 01/13:00 11/08:13 82.0

91.0 64.0 01/12:22 01/01:02 01/29:23 82.0

89.0 63.0 01/12:23 01/01:03 01/30:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State:

State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 10 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary:

Secondary: 2007 2007

2008 1 HOUR 1 HOUR

1 HOUR Duration: Duration:

Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit:

Unit: 53-053-1018 53-053-1022 53-053-1022 South Hill Waller Waller Pierce Pierce Pierce 8666 7112 1645 0 0 0 4 3 4 176.2 175.2 73.0 07/04:22 07/05:00 01/01:03 771 731 771 Year: Year:

Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 176.0 136.6 69.9 07/04:23 01/17:12 01/01:01 174.2

131.8 66.7 07/05:00 07/05:01 01/01:02 132.5

125.9 66.2 07/05:01 07/04:23 01/01:00 125.4

124.7 66.2 07/04:21 07/04:22 01/01:04 120.0 120.0 59.9 01/01:01 01/27:23 01/13:00 93.0

116.4 59.5 01/27:22 01/27:22 01/12:23 92.1

110.3 58.0 07/05:02 01/28:02 01/15:00 88.0

102.0 56.0 01/27:23 01/27:21 01/01:05 81.1

101.9 54.8 12/31:22 01/28:01 01/15:02 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State:

State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 11 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary:

Secondary: 2008 2008

2008 1 HOUR 1 HOUR

1 HOUR Duration: Duration:

Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit:

Unit: 53-053-0022 53-053-0029 53-053-0029 Waller Tacoma Tacoma Pierce Pierce Pierce 7848 8505 1451 0 0 0 4 3 4 54.3 82.1 66.8 11/16:18 01/26:00 12/05:00 771 712 771 Year: Year:

Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 713 53.6 81.3 65.5 11/16:16 01/25:23 12/04:22 47.2

77.7 64.5 07/04:23 01/26:01 12/05:22 47.1

76.5 64.0 07/04:22 01/22:22 12/05:23 47.1

71.9 63.6 11/16:17 12/05:00 11/24:23 46.6 71.7 61.7 11/24:19 01/26:02 11/16:02 43.3

68.4 61.1 11/16:19 01/22:23 12/05:21 43.2

68.0 59.9 07/05:00 01/23:23 11/16:22 43.2

67.9 58.0 11/16:21 01/24:21 11/24:00 43.1

67.7 58.0 11/16:22 01/24:22 12/23:01 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State:

State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 12 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2008 2008 2008 1 HOUR 1 HOUR 1 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0031 53-053-0033 53-053-0034 Tacoma Tacoma Tacoma Pierce Pierce Pierce 8391 391 1346 0 0 0 4 4 4 44.7 42.2 52.1 11/16:14 12/23:23 12/04:22 771 771 771 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 43.6 40.0 49.2 11/16:13 12/23:22 12/23:22 42.2

37.5 48.4 01/25:23 12/23:08 12/23:23 41.2

36.0 47.7 01/26:01 12/24:01 12/24:00 39.7

35.9 47.6 02/21:10 12/24:00 11/16:14 39.7 35.7 47.3 02/21:11 12/23:20 12/04:23 39.3

33.2 46.8 01/26:00 12/23:21 11/16:15 39.1

31.4 45.0 01/26:02 12/24:02 12/05:00 38.7

28.5 44.6 01/24:08 12/23:17 12/05:23 38.5

27.4 44.3 07/05:04 12/23:07 12/05:22 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 13 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2008 2009 2009 1 HOUR 1 HOUR 1 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-1018 53-053-0022 53-053-0029 South Hill Waller Tacoma Pierce Pierce Pierce 8692 8603 8374 0 0 0 4 4 3 115.3 78.9 348.2 07/04:23 07/05:06 07/05:00 771 771 712 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 713 115.1 76.1 228.1 07/04:22 07/05:07 07/05:05 91.7

66.8 225.7 07/04:21 07/05:08 07/05:01 90.7

64.7 204.9 07/05:02 07/04:22 07/05:02 86.1

62.0 191.0 07/05:01 07/05:02 07/04:23 69.8 60.4 168.7 07/05:03 07/05:03 07/05:06 56.6

59.0 165.3 11/16:19 07/05:04 07/05:03 56.4

58.2 149.0 11/16:20 07/04:23 07/05:04 56.4

58.2 142.3 11/16:21 07/05:05 07/04:22 55.0

57.3 102.0 12/24:01 07/05:01 07/04:21 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 14 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2009 2009 2009 1 HOUR 1 HOUR 1 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0029 53-053-0031 53-053-0033 Tacoma Tacoma Tacoma Pierce Pierce Pierce 7181 8318 6896 0 0 0 4 4 4 189.6 108.0 45.3 07/05:00 07/05:08 07/05:07 771 771 771 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 147.3 104.6 42.4 07/05:05 07/05:07 01/19:17 135.8

95.1 42.1 07/05:01 07/04:21 07/05:08 125.3

93.9 42.0 07/05:02 07/04:23 01/17:22 105.1

91.5 42.0 07/05:03 07/05:06 07/31:15 102.3 77.8 41.9 07/04:23 07/04:22 01/19:18 101.2

75.4 41.5 07/05:06 05/31:05 01/19:16 99.8

65.3 41.0 07/05:04 07/05:04 07/05:06 75.6

62.0 40.6 07/04:22 07/05:05 01/19:21 70.6

60.6 40.1 01/18:23 07/05:09 01/19:15 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 15 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2009 2009 2010 1 HOUR 1 HOUR 1 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0034 53-053-1018 53-053-0022 Tacoma South Hill Waller Pierce Pierce Pierce 6702 8708 7977 0 0 0 4 4 4 114.8 251.6 43.2 07/05:06 07/05:01 12/05:23 771 771 771 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 102.4 247.2 41.2 07/04:22 07/05:02 12/06:00 89.3

242.1 37.9 07/05:07 07/04:22 12/06:01 74.7

218.9 36.9 07/05:05 07/05:03 11/23:20 69.6

217.6 35.6 07/04:21 07/05:00 12/05:22 65.7 190.6 34.1 07/05:02 07/05:04 11/23:21 62.4

188.0 32.7 07/05:01 07/04:23 12/05:19 58.0

145.9 32.2 07/05:03 07/05:05 12/05:20 57.3

78.7 31.6 01/19:22 07/05:06 11/25:16 57.3

55.5 31.0 07/05:04 07/04:21 11/25:10 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 16 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2010 2010 2011 1 HOUR 1 HOUR 1 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0031 53-053-1018 53-053-0022 Tacoma South Hill Waller Pierce Pierce Pierce 8066 8674 8692 0 0 0 4 4 4 55.6 76.0 53.3 10/18:17 12/05:21 07/05:00 771 771 771 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 41.0 59.0 47.5 12/06:01 11/23:22 01/01:05 39.2

56.5 46.0 08/17:08 12/05:22 07/04:23 38.8

54.3 46.0 12/06:00 12/07:01 07/05:01 38.7

53.9 44.4 02/01:09 12/04:23 07/04:22 36.8 51.0 41.7 10/18:12 11/23:23 01/01:04 35.1

50.9 41.0 12/05:23 12/04:22 07/05:06 34.9

50.7 40.9 12/06:02 11/23:19 12/09:21 33.4

50.6 40.1 12/07:01 12/05:20 12/05:23 32.7

47.1 39.6 08/17:06 12/06:23 01/01:08 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 17 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2011 2011 2006 1 HOUR 1 HOUR 24 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0031 53-053-1018 53-053-0014 Tacoma South Hill Not in a city Pierce Pierce Pierce 8371 8261 119 0 0 0 4 4 1 74.8 180.1 15.1 07/04:23 07/05:01 07/22:00 771 771 899 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 56.8 177.9 12.9 07/04:21 07/05:02 10/14:00 56.1

161.7 10.5 06/21:04 07/05:03 05/17:00 44.1

160.5 9.7 12/25:03 07/05:04 10/23:00 41.9

147.2 8.9 01/01:03 07/05:05 08/27:00 41.8 142.5 8.5 07/04:22 07/05:00 09/05:00 37.8

101.2 8.3 12/25:01 07/04:23 07/04:00 37.3

91.9 8.3 01/02:01 07/05:06 08/18:00 37.2

91.1 8.3 12/22:12 07/04:22 08/21:00 36.9

62.2 7.9 01/02:02 11/20:23 05/14:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 18 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2006 2007 2007 24 HOUR 24 HOUR 24 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0029 53-053-0014 53-053-0029 Tacoma Not in a city Tacoma Pierce Pierce Pierce 59 120 53 0

0 0 5 1 5 54.5 13.0 45.1 12/31:00 07/05:00 01/12:00 820 707 820 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 810 33.3 8.8 39.3 11/01:00 07/11:00 01/30:00 32.9

8.3 35.5 12/19:00 06/02:00 10/27:00 32.8

7.3 34.5 12/07:00 10/15:00 11/08:00 18.4

6.9 28.4 03/12:00 05/12:00 01/24:00 18.1 6.3 25.1 09/02:00 05/15:00 11/20:00 16.8

6.1 24.7 07/22:00 05/30:00 11/26:00 15.4

6.1 23.0 12/25:00 09/12:00 12/08:00 14.0

5.7 20.6 10/14:00 05/09:00 11/02:00 13.7

5.6 19.3 11/19:00 07/26:00 10/09:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 19 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2008 2008 2008 24 HOUR 24 HOUR 24 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0014 53-053-0029 53-053-0031 Not in a city Tacoma Tacoma Pierce Pierce Pierce 114 58 9 0

0 0 1 5 5 14.2 35.1 20.7 07/02:00 02/18:00 11/14:00 707 810 810 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 12.7 26.7 14.0 08/16:00 10/27:00 11/20:00 7.5

24.8 11.3 06/29:00 11/14:00 12/20:00 7.5

23.1 9.6 08/07:00 01/13:00 11/26:00 7.2

20.5 7.7 07/20:00 03/07:00 12/08:00 7.1 19.1 7.0 04/27:00 11/26:00 11/08:00 6.2

17.5 5.0 09/30:00 05/18:00 11/02:00 5.8

16.1 4.9 09/15:00 12/08:00 12/02:00 5.7

15.2 4.6 07/08:00 10/15:00 12/14:00 5.7

14.7 09/12:00 03/25:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 20 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2009 2009 2009 24 HOUR 24 HOUR 24 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0014 53-053-0029 53-053-0031 Not in a city Tacoma Tacoma Pierce Pierce Pierce 117 59 61 0

0 0 1 5 5 12.0 49.9 31.5 08/08:00 12/03:00 12/03:00 707 810 810 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 9.7 47.3 30.1 08/02:00 12/09:00 01/19:00 9.3

43.3 27.7 07/30:00 12/27:00 12/09:00 8.2

39.0 24.8 08/05:00 01/19:00 12/27:00 7.9

31.6 24.1 09/13:00 02/18:00 02/18:00 7.8 19.2 16.0 07/27:00 02/12:00 12/15:00 7.7

15.5 15.5 06/09:00 03/26:00 10/28:00 7.6

14.5 15.0 07/03:00 08/05:00 08/05:00 7.6

14.2 14.3 07/21:00 10/28:00 07/30:00 7.1

13.6 13.7 08/17:00 04/07:00 09/22:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 21 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2010 2010 2010 24 HOUR 24 HOUR 24 HOUR Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0014 53-053-0029 53-053-0031 Not in a city Tacoma Tacoma Pierce Pierce Pierce 117 57 59 0

0 0 1 5 5 10.1 30.1 16.2 08/06:00 10/17:00 01/26:00 707 810 810 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 6.9 19.1 15.9 08/03:00 02/01:00 02/01:00 5.9

16.4 15.9 07/07:00 11/10:00 10/17:00 5.9

16.3 14.2 07/25:00 11/04:00 05/14:00 5.6

16.3 12.6 08/12:00 12/16:00 02/19:00 5.5 13.9 11.6 07/10:00 02/19:00 03/27:00 5.2

13.3 10.8 07/31:00 03/27:00 03/15:00 5.1

12.6 10.7 05/17:00 03/09:00 10/29:00 4.8

11.8 10.6 03/27:00 11/28:00 12/22:00 4.8

11.5 10.1 10/20:00 02/07:00 02/07:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 22 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2011 2011 2006 24 HOUR 24 HOUR 24-HR BLK AVG Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0029 53-053-0031 53-053-0029 Tacoma Tacoma Tacoma Pierce Pierce Pierce 55 61 359 0 0 0 5 5 3 44.6 28.2 77.0 01/03:00 01/03:00 12/17:00 810 810 712 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 713 37.9 24.9 58.0 02/02:00 12/05:00 12/18:00 36.4

24.6 55.7 12/05:00 02/02:00 12/16:00 27.2

24.1 41.3 01/27:00 01/27:00 12/31:00 23.7

21.7 39.1 12/17:00 09/30:00 12/08:00 18.7 17.3 36.7 11/05:00 12/23:00 12/03:00 16.9

14.8 36.3 02/20:00 12/17:00 12/28:00 16.6

14.5 31.4 10/18:00 10/18:00 12/30:00 14.5

13.4 30.2 12/11:00 11/05:00 02/26:00 12.9

12.9 29.4 11/11:00 12/11:00 02/12:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 23 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2006 2006 2006 24-HR BLK AVG 24-HR BLK AVG 24-HR BLK AVG Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0029 53-053-0031 53-053-1018 Tacoma Tacoma South Hill Pierce Pierce Pierce 348 365 324 0 0 0 4 4 4 99.4 62.5 57.7 12/17:00 12/17:00 12/16:00 771 771 771 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 67.9 49.6 54.5 12/18:00 12/16:00 12/17:00 60.0

46.3 37.5 12/16:00 12/08:00 12/08:00 50.5

41.0 35.8 12/31:00 12/18:00 12/03:00 44.3

39.6 35.1 12/03:00 12/06:00 12/19:00 41.8 39.2 34.3 12/08:00 12/19:00 12/31:00 41.7

39.1 33.7 12/30:00 12/07:00 02/26:00 41.0

36.5 33.5 12/28:00 12/20:00 12/18:00 35.4

35.6 33.2 12/06:00 12/30:00 11/29:00 31.7

35.1 33.1 12/02:00 12/31:00 12/07:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 24 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary:

Secondary: 2006 2006

2007 24-HR BLK AVG 24-HR BLK AVG

24-HR BLK AVG Duration: Duration:

Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit:

Unit: 53-053-1020 53-053-1022 53-053-1022 Puyallup Waller Waller Pierce Pierce Pierce 303 45 59 0

0 0 4 3 4 26.7 86.2 69.7 11/01:00 12/17:00 12/17:00 771 731 771 Year: Year:

Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 26.1 65.3 51.5 11/02:00 12/16:00 12/16:00 23.3

65.1 44.8 09/03:00 12/18:00 12/08:00 22.8

59.9 43.9 10/14:00 12/19:00 12/18:00 22.5

53.4 43.8 10/23:00 12/08:00 12/19:00 21.6 53.3 40.1 10/13:00 12/03:00 12/31:00 20.5

47.3 36.4 10/22:00 12/20:00 12/20:00 19.3

46.6 33.2 10/28:00 12/31:00 12/07:00 18.4

43.3 33.0 07/04:00 12/30:00 12/30:00 17.3

43.2 31.8 10/17:00 11/29:00 11/29:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State:

State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 25 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary:

Secondary: Secondary: 2007

2007 2007 24-HR BLK AVG

24-HR BLK AVG 24-HR BLK AVG Duration:

Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit:

Unit: Unit: 53-053-0029 53-053-0029 53-053-0031 Tacoma Tacoma Tacoma Pierce Pierce Pierce 339 177 365 0 0 0 3 4 4 44.0 57.8 47.1 01/28:00 01/29:00 01/29:00 712 771 771 Year:

Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 713 41.4 55.0 44.8 01/29:00 01/15:00 11/08:00 39.4

55.0 44.4 01/15:00 01/28:00 01/15:00 38.5

45.6 44.2 02/02:00 01/14:00 01/28:00 38.2

42.4 37.7 11/23:00 02/02:00 11/07:00 35.0 39.2 36.5 01/14:00 01/12:00 01/27:00 34.3

38.0 35.0 11/06:00 01/16:00 11/06:00 32.4

37.6 33.8 11/07:00 01/30:00 01/30:00 31.8

36.1 32.9 11/24:00 01/13:00 01/14:00 31.7

36.1 32.7 01/12:00 02/03:00 01/16:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State:

State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 26 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary:

Secondary: 2007 2007

2008 24-HR BLK AVG 24-HR BLK AVG

24-HR BLK AVG Duration: Duration:

Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit:

Unit: 53-053-1018 53-053-1022 53-053-1022 South Hill Waller Waller Pierce Pierce Pierce 360 297 67 0

0 0 4 3 4 43.2 67.7 43.2 01/15:00 01/28:00 01/15:00 771 731 771 Year: Year:

Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 38.7 56.9 36.0 01/29:00 01/29:00 01/01:00 37.5

54.3 34.7 01/28:00 01/15:00 01/13:00 35.5

49.7 34.6 01/14:00 01/01:00 01/14:00 35.2

47.9 33.5 01/16:00 01/14:00 01/16:00 35.2 47.7 32.2 01/27:00 01/13:00 02/04:00 34.5

47.7 31.6 11/07:00 01/30:00 02/03:00 31.9

44.5 30.1 11/06:00 01/27:00 01/12:00 31.6

42.4 29.0 01/30:00 01/16:00 02/02:00 29.9

40.8 28.3 07/05:00 01/12:00 02/05:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State:

State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 27 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary:

Secondary: 2008 2008

2008 24-HR BLK AVG 24-HR BLK AVG

24-HR BLK AVG Duration: Duration:

Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit:

Unit: 53-053-0022 53-053-0029 53-053-0029 Waller Tacoma Tacoma Pierce Pierce Pierce 328 356 61 0

0 0 4 3 4 32.7 37.9 35.4 11/16:00 01/25:00 11/16:00 771 712 771 Year: Year:

Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 713 31.7 36.3 34.2 12/23:00 01/23:00 12/23:00 26.8

36.0 28.9 11/24:00 01/24:00 11/24:00 25.6

34.7 28.5 12/05:00 11/16:00 12/05:00 25.4

33.3 21.0 10/30:00 12/23:00 11/15:00 22.6 32.3 20.9 02/18:00 01/22:00 11/23:00 22.4

27.3 19.2 11/17:00 01/26:00 12/04:00 20.2

26.5 18.0 02/19:00 10/30:00 11/17:00 20.2

25.9 17.4 11/15:00 02/18:00 11/14:00 20.0

25.9 15.0 10/29:00 02/21:00 11/25:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State:

State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 28 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2008 2008 2008 24-HR BLK AVG 24-HR BLK AVG 24-HR BLK AVG Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0031 53-053-0033 53-053-0034 Tacoma Tacoma Tacoma Pierce Pierce Pierce 349 16 56 0

0 0 4 4 4 26.5 25.2 31.7 11/16:00 12/23:00 11/16:00 771 771 771 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 26.4 8.9 28.9 01/24:00 12/19:00 12/23:00 24.3

8.4 24.1 01/23:00 12/20:00 12/05:00 24.3

7.8 21.0 01/25:00 12/24:00 11/24:00 23.1

7.4 18.4 02/21:00 12/21:00 12/04:00 21.9 6.6 16.9 12/23:00 12/22:00 11/15:00 21.6

6.3 15.7 01/26:00 12/16:00 11/17:00 21.2

5.8 11.7 02/18:00 12/26:00 11/14:00 21.0

4.6 10.8 11/24:00 12/30:00 11/19:00 19.5

4.0 10.7 10/30:00 12/18:00 11/23:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 29 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2008 2009 2009 24-HR BLK AVG 24-HR BLK AVG 24-HR BLK AVG Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-1018 53-053-0022 53-053-0029 South Hill Waller Tacoma Pierce Pierce Pierce 364 359 349 0 0 0 4 4 3 31.6 31.9 75.3 11/16:00 07/05:00 07/05:00 771 771 712 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 713 26.3 29.3 37.1 01/23:00 12/26:00 12/03:00 25.5

27.8 34.4 12/23:00 12/04:00 12/26:00 25.2

27.2 33.6 02/18:00 12/28:00 12/27:00 24.1

26.1 33.1 01/24:00 12/27:00 02/03:00 23.3 26.0 31.8 01/25:00 12/03:00 12/24:00 22.3

25.3 31.1 01/01:00 12/10:00 01/19:00 21.9

24.6 30.2 01/22:00 12/12:00 12/25:00 21.4

23.2 30.1 02/21:00 12/11:00 02/04:00 20.9

22.6 29.9 10/29:00 12/09:00 07/04:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 30 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2009 2009 2009 24-HR BLK AVG 24-HR BLK AVG 24-HR BLK AVG Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0029 53-053-0031 53-053-0033 Tacoma Tacoma Tacoma Pierce Pierce Pierce 300 348 287 0 0 0 4 4 4 46.8 34.4 27.0 07/05:00 07/05:00 01/19:00 771 771 771 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 29.1 33.9 25.3 01/19:00 12/04:00 01/21:00 28.7

30.7 23.3 02/03:00 12/28:00 02/03:00 27.0

27.0 22.7 02/04:00 12/26:00 01/22:00 23.3

26.1 21.0 01/18:00 01/19:00 01/20:00 22.3 25.5 20.6 02/20:00 12/03:00 01/17:00 21.4

25.2 20.3 01/22:00 12/29:00 01/23:00 21.4

24.4 19.1 02/21:00 12/10:00 01/16:00 21.0

24.4 18.9 01/21:00 12/12:00 07/05:00 20.5

24.3 18.9 02/18:00 02/03:00 08/06:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 31 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2009 2009 2010 24-HR BLK AVG 24-HR BLK AVG 24-HR BLK AVG Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0034 53-053-1018 53-053-0022 Tacoma South Hill Waller Pierce Pierce Pierce 280 365 331 0 0 0 4 4 4 32.9 67.6 26.6 07/05:00 07/05:00 11/25:00 771 771 771 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 30.2 29.7 24.9 01/19:00 07/04:00 12/05:00 23.2

29.3 22.8 01/21:00 12/04:00 12/06:00 22.7

28.5 19.4 01/20:00 12/12:00 08/17:00 22.1

27.5 17.8 01/22:00 12/03:00 11/24:00 21.7 27.4 17.6 02/03:00 12/26:00 01/28:00 20.8

27.3 16.8 07/29:00 12/28:00 12/31:00 20.5

26.8 16.6 01/18:00 12/24:00 02/09:00 19.9

25.9 16.2 01/23:00 12/29:00 01/29:00 19.0

25.4 16.0 08/06:00 01/19:00 02/22:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 32 of 33 Washington Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Primary: Secondary: Secondary: Secondary: 2010 2010 2011 24-HR BLK AVG 24-HR BLK AVG 24-HR BLK AVG Duration: Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: Unit: 53-053-0031 53-053-1018 53-053-0022 Tacoma South Hill Waller Pierce Pierce Pierce 335 362 363 0 0 0 4 4 4 25.4 28.5 27.1 12/06:00 12/05:00 01/01:00 771 771 771 Year: Year: Year: Site ID Site ID Site IDPOC

POC POC EDT ID EDT ID EDT ID Num Obs Num Obs Num Obs County Name County Name County Name City Name City Name City Name Methods Methods Methods Maximum Values Maximum Values Maximum Values Num Exc Num Exc Num Exc 21.8 26.0 25.5 08/17:00 11/25:00 01/03:00 20.2

22.1 25.0 10/18:00 12/06:00 01/04:00 18.9

20.8 25.0 08/16:00 02/09:00 12/13:00 18.6

20.8 24.7 01/28:00 08/17:00 12/06:00 18.5 19.4 24.4 10/19:00 11/24:00 12/10:00 18.1

18.9 24.1 10/20:00 08/05:00 12/09:00 17.1

18.6 22.6 12/05:00 08/16:00 01/02:00 17.0

18.6 21.9 10/21:00 12/04:00 12/05:00 16.7

18.4 20.6 01/29:00 01/10:00 12/03:00 1st Max 1st Max 1st Max 2nd Max

2nd Max 2nd Max 3rd Max

3rd Max 3rd Max4th Max

4th Max 4th Max 5th Max

5th Max 5th Max 6th Max 6th Max 6th Max 7th Max

7th Max 7th Max 8th Max

8th Max 8th Max 9th Max

9th Max 9th Max10th Max

10th Max 10th Max State: State: State:UNITED STATES ENVIRONMENTAL PROCTECTION AGENCY AIR QUALITY SUBSYSTEM Apr. 30, 2012 MAXIMUM VALUES REPORT

Page 33 of 33 Washington Washington Acceptable PM2.5 AQI & Speciation Mass (88502) Acceptable PM2.5 AQI & Speciation Mass (88502) Primary: Primary: Secondary: Secondary: 2011 2011 24-HR BLK AVG 24-HR BLK AVG Duration: Duration: Micrograms/cubic meter (LC) Micrograms/cubic meter (LC) Unit: Unit: 53-053-0031 53-053-1018 Tacoma South Hill Pierce Pierce 348 341 0 0 4 4 25.6 51.5 12/06:00 07/05:00 771 771 Year: Year: Site ID Site IDPOC

POC EDT ID EDT ID Num Obs Num Obs County Name County Name City Name City Name Methods Methods Maximum Values Maximum Values Num Exc Num Exc 25.2 23.5 01/04:00 12/10:00 25.0

23.5 12/13:00 12/13:00 24.3

22.8 12/10:00 10/16:00 24.1

22.4 12/09:00 12/06:00 23.6 21.8 01/03:00 12/05:00 22.6

21.3 01/01:00 02/02:00 21.5

21.3 12/05:00 12/14:00 21.5

21.2 12/22:00 11/20:00 21.0

20.8 01/05:00 01/27:00 1st Max 1st Max 2nd Max

2nd Max 3rd Max

3rd Max4th Max

4th Max 5th Max

5th Max 6th Max 6th Max 7th Max

7th Max 8th Max

8th Max 9th Max

9th Max10th Max

10th Max State: State: