## UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

RAW DATA NAAQS AVERAGES

Jun. 13, 2012 Report Request ID: 998813 Report Code: AMP350NW

Selection Criteria Page 1 User ID: FMC

State County City

Site Parameter POC AQCR UAR CBSA CSA EPA Region Method Duration Begin Date End Date 04 023 81102 2007 01 01 2009 12 31 GEOGRAPHIC SELECTIONS

SELECTED OPTIONS

SINGLE EVENT PROCESSING DAILY STATISTICS MERGE PDF FILES Option Type Option Value

INCLUDE EVENTS MAXIMUM YES SORT ORDER

1 2 3 4 5 Order Column

STATE_CODE COUNTY_CODE SITE_ID PARAMETER_CODE POC Tribal Code

APPLICABLE STANDARDS Standard Description PM10 24-hour 2006Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

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(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

JANUARY 2007 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 P 210+ 25 45 55 25 13 47 89 75 92 21 26 22 20 37 72 138 78 9 22 28 12 43 31 8 31 88 121 98 17 10 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 210. 25. 45. 55. 25. 13. 47. 89. 75. 92. 21. 26. 22. 20. 37. 72. 138. 78. 9. 22. 28. 12. 43. 31. 8. 31. 88. 121. 98. 17. 10. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 210. 51.9

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 51.9 MONTHLY MAX: 210. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

1 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 1 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

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(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

FEBRUARY 2007 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 19 28 44 103 133 P 180+ 150 122 139 123 52 71 27 25 41 59 52 61 55 42 54 96 47 35 63 59 49 24 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 19. 28. 44. 103. 133. 180. 150. 122. 139. 123. 52. 71. 27. 25. 41. 59. 52. 61. 55. 42. 54. 96. 47. 35. 63. 59. 49. 24. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

28 180. 69.8

MONTHLY OBSERVATIONS: 28 MONTHLY MEAN: 69.8 MONTHLY MAX: 180. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

1 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 1 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

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(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

MARCH 2007 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 33 52 42 22 104 P 157+ 121 122 131 104 136 139 80 124 P 175+ 144 112 99 79 85 46 7 11 18 19 44 84 146 29 40 69 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 33. 52. 42. 22. 104. 157. 121. 122. 131. 104. 136. 139. 80. 124. 175. 144. 112. 99. 79. 85. 46. 7. 11. 18. 19. 44. 84. 146. 29. 40. 69. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 175. 83.0

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 83.0 MONTHLY MAX: 175. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

2 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 2 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

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(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

APRIL 2007 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 100 64 108 138 117 117 39 38 42 36 51 92 99 64 60 35 76 66 65 93 17 36 36 48 53 53 69 64 23 48 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 100. 64. 108. 138. 117. 117. 39. 38. 42. 36. 51. 92. 99. 64. 60. 35. 76. 66. 65. 93. 17. 36. 36. 48. 53. 53. 69. 64. 23. 48. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

30 138. 64.9

MONTHLY OBSERVATIONS: 30 MONTHLY MEAN: 64.9 MONTHLY MAX: 138. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

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(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

MAY 2007 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 75 60 57 51 59 38 55 46 117 96 63 85 110 85 68

64 66 83 87 88 54 61 62 62 46 58 53 53 64 55 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 75. 60. 57. 51. 59. 38. 55. 46. 117. 96. 63. 85. 110. 85. 68.

64. 66. 83. 87. 88. 54. 61. 62. 62. 46. 58. 53. 53. 64. 55. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

30 117. 67.4

MONTHLY OBSERVATIONS: 30 MONTHLY MEAN: 67.4 MONTHLY MAX: 117. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

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(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

JUNE 2007 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 65 71 56 53 69 104+ 39 73 80 65 45 37 57 87 66 71 103 61 57 41 54 79 60 57 92 99

71 53 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 OBS 65. 71. 56. 53. 69. 104. 39. 73. 80. 65. 45. 37. 57. 87. 66. 71. 103. 61. 57. 41. 54. 79. 60. 57. 92. 99.

71. 53. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

28 104. 66.6

MONTHLY OBSERVATIONS: 28 MONTHLY MEAN: 66.6 MONTHLY MAX: 104. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

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(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

JULY 2007 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 40

59 70 59

50

28

21 28 23 28 57 52 31 26 17 13 20 25 18 21 36 31 13 25 26 15 2300 1

0 1 1 1 0 1 0 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 40.

59. 70. 59.

50.

28.

21. 28. 23. 28. 57. 52. 31. 26. 17. 13. 20. 25. 18. 21. 36. 31. 13. 25. 26. 15. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

26 70. 32.0

MONTHLY OBSERVATIONS: 26 MONTHLY MEAN: 32.0 MONTHLY MAX: 70. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

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(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

AUGUST 2007 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 23 53 54 22 13 19 25 40 39 31 43 63 43 22 37 32 66 64 39 34 58 38 25 30 32 45 36 25 32 59 33 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 23. 53. 54. 22. 13. 19. 25. 40. 39. 31. 43. 63. 43. 22. 37. 32. 66. 64. 39. 34. 58. 38. 25. 30. 32. 45. 36. 25. 32. 59. 33. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 66. 37.9

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 37.9 MONTHLY MAX: 66. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

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(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

SEPTEMBER 2007 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 27 37 62 50 36 19 22 54 28 20 26 48 55 63 47 21 27 65 50 32 27 28 28 44 64 56 89 78 55 40 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 27. 37. 62. 50. 36. 19. 22. 54. 28. 20. 26. 48. 55. 63. 47. 21. 27. 65. 50. 32. 27. 28. 28. 44. 64. 56. 89. 78. 55. 40. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

30 89. 43.3

MONTHLY OBSERVATIONS: 30 MONTHLY MEAN: 43.3 MONTHLY MAX: 89. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

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(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

OCTOBER 2007 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 19 23 41 38 41 40 44 93 111 147 136 121 60 86 75 47 64 57 P 189+ 118 67 37 50 26 82 138 P 210+ 88 129 102 141 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 19. 23. 41. 38. 41. 40. 44. 93. 111. 147. 136. 121. 60. 86. 75. 47. 64. 57. 189. 118. 67. 37. 50. 26. 82. 138. 210. 88. 129. 102. 141. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 210. 84.5

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 84.5 MONTHLY MAX: 210. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

2 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 2 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

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(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

NOVEMBER 2007 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 154 P 211+ P 170+ P 170+ 137 P 186+ 147 133 108 96 89 86 112 148 115 85 129 P 167+ P 177+ 109 79 63 47 11 38 72 85 P 167+ 48 8 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 154. 211. 170. 170. 137. 186. 147. 133. 108. 96. 89. 86. 112. 148. 115. 85. 129. 167. 177. 109. 79. 63. 47. 11. 38. 72. 85. 167. 48. 8. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

30 211. 111.6

MONTHLY OBSERVATIONS: 30 MONTHLY MEAN: 111.6 MONTHLY MAX: 211. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

7 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 7 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

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(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

DECEMBER 2007 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 7 23 45 114 89 49 27 10 9 10 5 8 54 38 49 138 124 129 83 115 49 58 46 P 233+ 103 54 34 102 78 104 102 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 7. 23. 45. 114. 89. 49. 27. 10. 9. 10. 5. 8. 54. 38. 49. 138. 124. 129. 83. 115. 49. 58. 46. 233. 103. 54. 34. 102. 78. 104. 102. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 233. 67.4

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 67.4 MONTHLY MAX: 233. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

1 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 1 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 13 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

JANUARY 2008 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 115 57 71 41 37 14 13 28 53 51 61 69 39 28 91 61 36 55 139 101 76 141 75 31 71 P 204+ 26 10 32 22 27 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 115. 57. 71. 41. 37. 14. 13. 28. 53. 51. 61. 69. 39. 28. 91. 61. 36. 55. 139. 101. 76. 141. 75. 31. 71. 204. 26. 10. 32. 22. 27. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 204. 60.5

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 60.5 MONTHLY MAX: 204. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

1 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 1 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 14 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

FEBRUARY 2008 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 63 55 39 18 14 48 64 78 100 115 82 65 77 80 13 21 48 82 85

40 68 125 45 30 P 166+ 136 102 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1 1 OBS 63. 55. 39. 18. 14. 48. 64. 78. 100. 115. 82. 65. 77. 80. 13. 21. 48. 82. 85.

40. 68. 125. 45. 30. 166. 136. 102. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

27 166. 68.9

MONTHLY OBSERVATIONS: 27 MONTHLY MEAN: 68.9 MONTHLY MAX: 166. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

1 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 1 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 15 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

MARCH 2008 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 103 35 28 58 65 49 47 69 103 68 56 58 79 77 66 20 12 38 107 138 101 88 76 92 124 67 63 64 67 56 48 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 103. 35. 28. 58. 65. 49. 47. 69. 103. 68. 56. 58. 79. 77. 66. 20. 12. 38. 107. 138. 101. 88. 76. 92. 124. 67. 63. 64. 67. 56. 48. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 138. 68.5

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 68.5 MONTHLY MAX: 138. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 16 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

APRIL 2008 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 93 62 57 58 75 46 48 60 66 37 49 60 68 95 88 39 37 96 103 48 84 101 59 67 68 87 121 76 94 90 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 93. 62. 57. 58. 75. 46. 48. 60. 66. 37. 49. 60. 68. 95. 88. 39. 37. 96. 103. 48. 84. 101. 59. 67. 68. 87. 121. 76. 94. 90. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

30 121. 71.1

MONTHLY OBSERVATIONS: 30 MONTHLY MEAN: 71.1 MONTHLY MAX: 121. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 17 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

MAY 2008 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 49 55 91 82 81 44 38 66 72 94 95 81 49 50 54 23 43 P 169+ 75 49 98 P 217+ 43 39 38 35 49 43 38 72 90 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 49. 55. 91. 82. 81. 44. 38. 66. 72. 94. 95. 81. 49. 50. 54. 23. 43. 169. 75. 49. 98. 217. 43. 39. 38. 35. 49. 43. 38. 72. 90. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 217. 68.5

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 68.5 MONTHLY MAX: 217. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

2 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 2 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 18 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

JUNE 2008 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 74 79 64 78 60 68 62 54 90 79 49 46 85 82 68 77 53 75 56 94 151 68 85 63 31 39 29 47 41 21 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 74. 79. 64. 78. 60. 68. 62. 54. 90. 79. 49. 46. 85. 82. 68. 77. 53. 75. 56. 94. 151. 68. 85. 63. 31. 39. 29. 47. 41. 21. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

30 151. 65.6

MONTHLY OBSERVATIONS: 30 MONTHLY MEAN: 65.6 MONTHLY MAX: 151. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 19 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

JULY 2008 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 53 26 24 31 26 20 15 12 11 17 16 14 17 22 32 62 47 32

19 32 22 35 35 38 53 79 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 1 1 1 1 1 1 1 1 OBS 53. 26. 24. 31. 26. 20. 15. 12. 11. 17. 16. 14. 17. 22. 32. 62. 47. 32.

19. 32. 22. 35. 35. 38. 53. 79. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

26 79. 30.4

MONTHLY OBSERVATIONS: 26 MONTHLY MEAN: 30.4 MONTHLY MAX: 79. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 20 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

AUGUST 2008 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 71 34 17 29 24 35 40 23 21 27 36 30 56 36 39 45 40 39 37 41 41 36 38 24 14 12 18 27 18 12 13 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 71. 34. 17. 29. 24. 35. 40. 23. 21. 27. 36. 30. 56. 36. 39. 45. 40. 39. 37. 41. 41. 36. 38. 24. 14. 12. 18. 27. 18. 12. 13. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 71. 31.4

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 31.4 MONTHLY MAX: 71. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 21 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

SEPTEMBER 2008 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 27 47 33 48 83 79 32 47 32 18 24 31 59 52 21 19 59 95 64 53 53 45 64 42 24 16 26 29 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 OBS 27. 47. 33. 48. 83. 79. 32. 47. 32. 18. 24. 31. 59. 52. 21. 19. 59. 95. 64. 53. 53. 45. 64. 42. 24. 16. 26. 29. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

28 95. 43.6

MONTHLY OBSERVATIONS: 28 MONTHLY MEAN: 43.6 MONTHLY MAX: 95. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 22 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

OCTOBER 2008 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 93 73 69 52 48 60 60 73 46 47 20 21 16 33 84 91 72 99 103 67 76 71 98 117 153 P 156+ 64 115

P 159+ 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 OBS 93. 73. 69. 52. 48. 60. 60. 73. 46. 47. 20. 21. 16. 33. 84. 91. 72. 99. 103. 67. 76. 71. 98. 117. 153. 156. 64. 115.

159. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

29 159. 77.1

MONTHLY OBSERVATIONS: 29 MONTHLY MEAN: 77.1 MONTHLY MAX: 159. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

2 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 2 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 23 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

NOVEMBER 2008 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 P 234+ 124 49 48 34 41 108 P 167+ 103 63 48 45 81 108 88 P 171+ P 206+ 131 150 P 161+ 137 P 179+ 125 89 97 37 13 23 22 33 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 234. 124. 49. 48. 34. 41. 108. 167. 103. 63. 48. 45. 81. 108. 88. 171. 206. 131. 150. 161. 137. 179. 125. 89. 97. 37. 13. 23. 22. 33. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

30 234. 97.2

MONTHLY OBSERVATIONS: 30 MONTHLY MEAN: 97.2 MONTHLY MAX: 234. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

6 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 6 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 24 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

DECEMBER 2008 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 81 66 97 146 115 151 112 23 18 54 144 111 43 19 24 26 35 30 52 93 89 62 15 24 12 7 15 38 87 121 P 155+ 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 81. 66. 97. 146. 115. 151. 112. 23. 18. 54. 144. 111. 43. 19. 24. 26. 35. 30. 52. 93. 89. 62. 15. 24. 12. 7. 15. 38. 87. 121. 155. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 155. 66.6

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 66.6 MONTHLY MAX: 155. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

1 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 1 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 25 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

JANUARY 2009 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 P 238+ 64 32 16 12 25 47 96 58 40 49 65 68 100 138 P 204+ 123 108 134 75 63 26 20 36 43 28 16 22 40 62 71 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 238. 64. 32. 16. 12. 25. 47. 96. 58. 40. 49. 65. 68. 100. 138. 204. 123. 108. 134. 75. 63. 26. 20. 36. 43. 28. 16. 22. 40. 62. 71. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 238. 68.4

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 68.4 MONTHLY MAX: 238. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

2 Values marked with 'P' exceed the PRIMARY STANDARD of: 155 2 Values marked with 'S' exceed the SECONDARY STANDARD of: 155 Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 26 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

FEBRUARY 2009 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 88 77 90 117 100 47 50 8 15 25 32 46 39 33 118 70 24 26 52 100 114 110 119 104 73 67 62 105 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 88. 77. 90. 117. 100. 47. 50. 8. 15. 25. 32. 46. 39. 33. 118. 70. 24. 26. 52. 100. 114. 110. 119. 104. 73. 67. 62. 105. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

28 119. 68.3

MONTHLY OBSERVATIONS: 28 MONTHLY MEAN: 68.3 MONTHLY MAX: 119. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 27 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

MARCH 2009 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 114 141 82 58 55 63 46 54 18 26 44 48 46 71 62 98 67 84 104 110 75 34 45 41 36 52 45 94 83 41 70 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 114. 141. 82. 58. 55. 63. 46. 54. 18. 26. 44. 48. 46. 71. 62. 98. 67. 84. 104. 110. 75. 34. 45. 41. 36. 52. 45. 94. 83. 41. 70. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 141. 64.7

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 64.7 MONTHLY MAX: 141. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 28 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

APRIL 2009 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 52 47 74 26 47 56 54 49 31 71 10 18 46 55 45 34 51 33 47 59 55 50 35 46 33 38 50 64 75 62 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 52. 47. 74. 26. 47. 56. 54. 49. 31. 71. 10. 18. 46. 55. 45. 34. 51. 33. 47. 59. 55. 50. 35. 46. 33. 38. 50. 64. 75. 62. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

30 75. 47.1

MONTHLY OBSERVATIONS: 30 MONTHLY MEAN: 47.1 MONTHLY MAX: 75. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 29 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

MAY 2009 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 55 40 53 54 54 48 66 68 69 54 40 35 49 67 60 59 58 39 34 15 17 45 61 40 33 34 60 64 40 54 41 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 55. 40. 53. 54. 54. 48. 66. 68. 69. 54. 40. 35. 49. 67. 60. 59. 58. 39. 34. 15. 17. 45. 61. 40. 33. 34. 60. 64. 40. 54. 41. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 69. 48.6

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 48.6 MONTHLY MAX: 69. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 30 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

JUNE 2009 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 38 42 64 50 52 44 35 38 30 21 37 42 40 23 29 39 48 39 18 39 48 49 27 30 34 32 27 25 22 18 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 38. 42. 64. 50. 52. 44. 35. 38. 30. 21. 37. 42. 40. 23. 29. 39. 48. 39. 18. 39. 48. 49. 27. 30. 34. 32. 27. 25. 22. 18. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

30 64. 36.0

MONTHLY OBSERVATIONS: 30 MONTHLY MEAN: 36.0 MONTHLY MAX: 64. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 31 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

JULY 2009 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 23 18 24 32 34 36 27 40 38 54 49 54 70 37 34 32 54 87 70 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 OBS 23. 18. 24. 32. 34. 36. 27. 40. 38. 54. 49. 54. 70. 37. 34. 32. 54. 87. 70. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

19 87. 42.8

MONTHLY OBSERVATIONS: 19 MONTHLY MEAN: 42.8 MONTHLY MAX: 87. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 32 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

AUGUST 2009 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200

35 50 46 51 35 37 32 22 41 57 66 79 51 30 34 22 20 21 19 27 46 95 61 80 69 59 2300 0

0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS

35. 50. 46. 51. 35. 37. 32. 22. 41. 57. 66. 79. 51. 30. 34. 22. 20. 21. 19. 27. 46. 95. 61. 80. 69. 59. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

26 95. 45.6

MONTHLY OBSERVATIONS: 26 MONTHLY MEAN: 45.6 MONTHLY MAX: 95. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 33 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

SEPTEMBER 2009 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 37 28 22 23 24 23 35 35 39 57 37 28 24 35 40 56 43 58 63 51 54 51 57 62 144 135 120 75 78 51 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 37. 28. 22. 23. 24. 23. 35. 35. 39. 57. 37. 28. 24. 35. 40. 56. 43. 58. 63. 51. 54. 51. 57. 62. 144. 135. 120. 75. 78. 51. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

30 144. 52.8

MONTHLY OBSERVATIONS: 30 MONTHLY MEAN: 52.8 MONTHLY MAX: 144. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 34 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

OCTOBER 2009 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 53 48 15 15 29 35 31 66 95 85 40 30 42 41 54 104 88 53 29 33 45 56 82 94 65 118 80 62 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 OBS 53. 48. 15. 15. 29. 35. 31. 66. 95. 85. 40. 30. 42. 41. 54. 104. 88. 53. 29. 33. 45. 56. 82. 94. 65. 118. 80. 62. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

28 118. 56.7

MONTHLY OBSERVATIONS: 28 MONTHLY MEAN: 56.7 MONTHLY MAX: 118. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 35 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

NOVEMBER 2009 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200

72 132 112 112 111 107 122 82 122 82 38 30 26 75 91 92 82 128 147 137 88 107 121 71 92 72 37 14 2300 0

0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS

72. 132. 112. 112. 111. 107. 122. 82. 122. 82. 38. 30. 26. 75. 91. 92. 82. 128. 147. 137. 88. 107. 121. 71. 92. 72. 37. 14. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

28 147. 89.4

MONTHLY OBSERVATIONS: 28 MONTHLY MEAN: 89.4 MONTHLY MAX: 147. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE:Jun. 13, 2012 RAW DATA NAAQS AVERAGES UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

Page 36 of 36 (81102) PM10 Total 0-10um STP

(04) Arizona CAS NUMBER:

04-023-0004 SITE ID: 3 POC:

(015) PHOENIX-TUCSON AQCR: (023) Santa Cruz COUNTY: (49640) Nogales CITY: -110.936718 LONGITUDE: 31.337204 LATITUDE:

URBAN AND CENTER CITY LOCATION SETTING: 300 N MORLEY AVE SITE ADDRESS: COMMERCIAL LAND USE: ON ROOF OF THE ONE STORY PART OF POST OFFICE BLDG NOGALES AZ 85621 HI-VOLUME SAMPL SITE COMMENTS: DIURNAL SURFACE WIND PATTERN UNDER STABLE ATMOSPHERIC CONDITIONS CREATES SOUTHERLY FLOW DURING OVERNI MONITOR COMMENTS: 8.3 PROBE HEIGHT: 1176 ELEVATION-MSL:

DECEMBER 2009 (0053) Arizona Department Of Environmental Quality SUPPORT AGENCY:

SPECIAL PURPOSE MONITOR TYPE:

4 MIN DETECTABLE:

24-HR BLK AVG DURATION: Micrograms/cubic meter (25 C) UNITS: (0053) Arizona Department Of Environmental Quality (122) INSTRUMENT MET ONE 4 MODELS BETA A COLLECTION AND ANALYSIS METHOD:

NO.: MAX: AVG: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 DAY 0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 50 45 58 91 86 32 55 23 36 57 47 68 38 22 28 95 88 113 86 146 105 76 38 40 76 63 61 43 30 34 30 2300 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 OBS 50. 45. 58. 91. 86. 32. 55. 23. 36. 57. 47. 68. 38. 22. 28. 95. 88. 113. 86. 146. 105. 76. 38. 40. 76. 63. 61. 43. 30. 34. 30. UTM NORTHING: (0000) NOT IN AN URBAN AREA

MAXIMUM UTM EASTING:

31 146. 60.0

MONTHLY OBSERVATIONS: 31 MONTHLY MEAN: 60.0 MONTHLY MAX: 146. URBANIZED AREA: UTM ZONE:

REPORT FOR:

PQAO: HOUR

Note: A plus sign ("+") following a value indicates that the computed average includes one or more raw data values effected by a special event. STATE: