UNITED STATES ENVIRONMENTAL PROTECTION AGENCY QUICKLOOK CRITERIA PARAMETERS May. 12, 2010 Report Request ID: 751118 Report Code: AMP450

Selection Criteria Page1 User ID:FMC

State County City

Site Parameter POC AQCR UAR CBSA CSA EPA Region Method Duration Begin Date End Date 32 32 32 32 32 32 003

003 003 003 003 003 42101

42602 42401 88101 81102 44201 2004 2004 2004 2004 2004 2004 2009 2009 2009 2009 2009 2009 GEOGRAPHIC SELECTIONS

SELECTED OPTIONS
EVENTS PROCESSING MERGE PDF FILES Option Type Option Value EXCLUDE REGIONALLY CONCURRED EVENTS

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

PARAMETER_CODE STATE_CODE COUNTY_CODE SITE_ID POC DATES EDT_ID Tribal

APPLICABLE STANDARDS Standard Description CO 1-hour 1971 CO 8-hour 1971 NO2 Annual 1971 Ozone 1-hour Daily 2005 Ozone 8-Hour 2008 PM10 24-hour 2006 PM25 24-hour 2006 PM25 Annual 2006 SO2 24-hour 1971 SO2 3-hour 1971 SO2 Annual 1971May. 12, 2010

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



### Page1of31 EXCEPTIONAL DATA TYPES EDT DESCRIPTION 0 1 2 5 NO EVENTS EVENTS EXCLUDED EVENTS INCLUDED EVENTS WITH CONCURRENCE EXCLUDEDMay. 12, 2010

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



### Page2of31 Carbon monoxide (42101) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH # OBS OBS >9 1ST MAX 1-HR OBS >35 CERT EDT 32-003-0016 32-003-0016 32-003-0016 32-003-0538
32-003-0538
32-003-0538
32-003-0538
32-003-0538
32-003-0538
32-003-0539 32-003-0539 32-003-0539 32-003-0539 32-003-0539 1

1 1 1
1
1
1
1
1
1 1 1 1 1 0226 0226 0226 0226
0226
0226
0226
0226
0226
0226 0226 0226 0226 0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark
Clark
Clark
Clark
Clark
Clark
Clark Clark Clark Clark Clark CITY-CENTER., LAS VEGAS CITY-CENTER., LAS VEGAS CITY-CENTER., LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 4001 EAST SAHARA AVENUE 4001 EAST SAHARA AVENUE 4001 EAST SAHARA AVENUE 4001 EAST SAHARA AVENUE 4001 EAST 2004

2005 2006 2004
2005
2006
2007
2008
2009
2004 2005 2006 2007 2008 093 093 093 093
093
093
093
093
093
093 093 093 093 093 8632 8598 2860 8713
8697
8587
8554
7188
8496
8597 8681 8549 7736 8370 0 0 0 0
0
0
0
0
0
0 0 0 0 0 7.2 5.1 4.8 4.5
4.7
4.2
3.9
3.8
3.8
5.6 5.1 5.5 4.3 5.1 5.8

5.1 4.5 4.2
4.5
4.0
3.8
3.8
3.7
5.5 5.1 5.2 4.2 4.7 3.7

3.7 2.9 3.3
3.7
3.4
3.4
2.9
3.0
5.2 4.6 4.5 4.0 4.2 Y Y

Y
Y

Y Y 0 0 0 0
0
0
0
0
0
0 0 0 0 0 1ST MAX 8-HR 3.5

3.4 2.9 3.3
3.5
3.4
2.9
2.9
2.8
4.7 4.5 4.2 3.7 3.7 0

0 0 0
0
0
0
0
0
0 0 0 0 0 2ND MAX 1-HR 2ND MAX 8-HRMay. 12, 2010

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



### Page3of31 Carbon monoxide (42101) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH # OBS OBS >9 1ST MAX 1-HR OBS >35 CERT EDT 32-003-0539 32-003-0561 32-003-0561 32-003-0561 32-003-0561 32-003-0561 32-003-0561 32-003-0563 32-003-0563 32-003-1021 32-003-1021 32-003-1021 32-003-1021 32-003-1021 32-003-1021 32-003-1023 32-003-1023 32-003-1023 32-003-1023 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark SAHARA AVENUE 4001 EAST SAHARA AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 650 N. MOJAVE 650 N. MOJAVE 1562 KATIE AVE 1562 KATIE AVE 1562 KATIE AVE 1562 KATIE AVE 1562 KATIE AVE 1562 KATIE AVE 3799 S LAS VEGAS BLVD 3799 S LAS VEGAS BLVD 3799 S LAS VEGAS BLVD 3799 S LAS 2009

2004 2005 2006 2007 2008 2009 2004 2005 2004 2005 2006 2007 2008 2009 2004 2005 2006 2007 093 093 093 093 093 093 093 093 093 093 093 093 093 093 093 093 093 093 093 8535 8609 8665 8689 8573 8447 8484 8611 2851 8663 8688 8479 8652 8359 8405 8514 8592 8478 2143 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4.5 7.0 6.4 6.6 4.7 4.2 5.2 6.7 5.7 4.9 5.1 4.8 4.5 3.2 3.4 5.2 4.2 4.3 2.8 4.2

6.5 6.3 6.3 4.6 4.2 4.7 6.5 5.4 4.7 5.0 4.7 4.1 3.2 3.2 4.0 4.2 4.2 2.8 4.0

5.8 5.3 5.3 4.1 3.6 4.1 4.9 4.6 4.1 4.2 3.9 3.4 2.6 2.8 2.9 2.3 2.7 2.0 Y Y

Y Y Y Y

Y Y 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1ST MAX 8-HR 3.1

5.1 5.2 5.0 3.8 3.5 2.8 4.8 4.1 3.7 3.8 3.7 2.9 2.6 2.6 2.6 2.3 2.5 1.9 0

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2ND MAX 1-HR 2ND MAX 8-HRMay. 12, 2010

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



### Page 4of31 Carbon monoxide (42101) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH # OBS OBS >9 1ST MAX 1-HR OBS >35 CERT EDT 32-003-2002 32-003-2002 32-003-2002 32-003-2002 32-003-2002 32-003-2002 1

1 1 1 1 1 0226 0226 0226 0226 0226 0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark Clark Clark VEGAS BLVD 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 2004

2005 2006 2007 2008 2009 093 093 093 093 093 093 8714 8498 8654 8388 8415 8416 0 0 0 0 0 0 5.8 5.6 5.3 5.0 4.2 3.3 5.7

5.4 4.8 4.5 3.6 3.2 3.8 4.1 3.8 3.0 2.5 2.4 Y Y 0 0 0 0 0 0 1ST MAX 8-HR 3.7

3.9 3.7 2.8 2.5 2.4 0

0 0 0 0 0 2ND MAX 1-HR 2ND MAX 8-HRMay. 12, 2010

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



### Page5of31 Sulfur dioxide (42401) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH # OBS 1ST MAX 1-HR CERTEDT 32-003-0539
32-003-0539
32-003-0539
32-003-0539
32-003-0539 1

1
1
1
1 0226
0226
0226
0226
0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark
Clark
Clark
Clark 4001 EAST

SAHARA AVENUE 4001 EAST SAHARA AVENUE 4001 EAST SAHARA AVENUE 4001 EAST SAHARA AVENUE 4001 EAST SAHARA AVENUE 2004

2005
2006
2007
2008 092
092
092
092
092 8605
8357
8664
8107
1991 .013
.024
.015
.007
.006 .010

.011
.011
.006
.005 .0023
.0056
.0017
.0011
.0010* Y

Y 0
0
0
0
0 ARITH MEAN 2ND MAX 1-HR #OBS >0.14 0
0
0
0
0 1ST

MAX 3-HR 2ND

MAX 3-HR #OBS >0.5 1ST MAX 24-HR 2ND

MAX 24-HR .009

.013
.009
.006
.002 .008

.009
.008
.006
.002 .007
.009
.007
.004
.002 .007

.008
.007
.003
.001 0
0
0
0
0May. 12, 2010

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



### Page6of31 Nitrogen dioxide (42602) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH # OBS 1ST

MAX 1-HR CERT EDT 32-003-0022
32-003-0022
32-003-0022
32-003-0022
32-003-0023
32-003-0023
32-003-0023
32-003-0023
32-003-0073 32-003-0073 32-003-0073 32-003-0073 32-003-0075 1

1
1
1
1
1
1
1
1 1 1 1 1 0226
0226
0226
0226
0226
0226
0226
0226
0226 0226 0226 0226 0226 North Las Vegas North Las Vegas North Las Vegas North Las Vegas Mesquite Mesquite Mesquite Mesquite Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark
Clark
Clark
Clark
Clark
Clark
Clark
Clark Clark Clark Clark Clark NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 6651 W. AZURE 2004

2005
2006
2007
2004
2005
2006
2007
2004 2005 2006 2007 2008 099
099
099
099
099
099
099
099
099 099 099 099 099 8657
8375
8530
6319
8696
8564
7138
5687
6965 7727 8171 5627 7946 .048

.043
.040
.047
.045
.049
.044
.045
.054 .056 .060 .052 .056 .047

.043
.040
.047
.044
.047
.043
.044
.051 .050 .059 .051 .051 .0054

.0060
.0054
.0059*
.0066
.0072
.0066
.0071*
.0098 .0098 .0091 .0093* .0086 Y

Y

Y
Y

Y Y 0
0
0
0
0
0
0
0
0 0 0 0 0 ARITH MEAN 2ND MAX 1-HRMay. 12, 2010

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



### Page 7of31 Nitrogen dioxide (42602) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH # OBS 1ST

MAX 1-HR CERT EDT 32-003-0075 32-003-0539 32-003-0539 32-003-0539 32-003-0539 32-003-0563 32-003-0563 32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-2002 32-003-2002 32-003-2002 32-003-2002 32-003-2002 32-003-2002 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Jean Jean Jean Jean Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark AVE 6651 W. AZURE AVE 4001 EAST SAHARA AVENUE 4001 EAST SAHARA AVENUE 4001 EAST SAHARA AVENUE 4001 EAST SAHARA AVENUE 650 N. MOJAVE 650 N. MOJAVE T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 2009

2004 2005 2006 2007 2004 2005 2004 2005 2006 2007 2004 2005 2006 2007 2008 2009 099 099 099 099 099 099 099 099 099 099 099 099 099 099 099 099 099 8538 8132 8435 8094 5644 8435 2643 8125 8472 8676 2121 8474 7338 7715 5597 8560 8459 .051

.073 .074 .086 .057 .067 .064 .036 .039 .032 .028 .070 .075 .072 .066 .064 .067 .049

.063 .071 .080 .055 .063 .056 .034 .039 .031 .025 .070 .072 .072 .064 .062 .065 .0069

.0194 .0202 .0195 .0174* .0190 .0179* .0035 .0039 .0035 .0041* .0201 .0195 .0210 .0201* .0174 .0156 Y

Y

Y Y Y Y

Y Y 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ARITH MEAN 2ND MAX 1-HRMay. 12, 2010

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



### Page8of31 Ozone (44201) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 1ST

MAX 1-HR CERTEDT 32-003-0007 32-003-0007 32-003-0007 32-003-0007 32-003-0016 32-003-0016 32-003-0016 32-003-0020 32-003-0020 32-003-0020 32-003-0020 32-003-0020 32-003-0020 32-003-0022
32-003-0022
32-003-0022 1

1 1 1 1 1 1 1 1 1 1 1 1 1
1
1 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226
0226
0226 Henderson Henderson Henderson Henderson Las Vegas Las Vegas Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark
Clark
Clark 545 LAKE MEAD DR, HENDERSON 545 LAKE MEAD DR, HENDERSON 545 LAKE MEAD DR, HENDERSON 545 LAKE MEAD DR, HENDERSON CITY-CENTER., LAS VEGAS CITY-CENTER., LAS VEGAS CITY-CENTER., LAS VEGAS 4701 MITCHELL STREET 4701 MITCHELL STREET 4701 MITCHELL STREET 4701 MITCHELL STREET 4701 MITCHELL STREET 4701 MITCHELL STREETNE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15NE OF CITY2004

2005 2006 2007 2004 2005 2006 2004 2005 2006 2007 2008 2009 2004
2005
2006 087 087 087 087 087 087 087 087 087 087 087 087 087 087
087
087 365 364 363 355 366 363 90 362 357 362 358 362 356 364
360
360 .097

.095 .102 .097 .081 .109 .058 .087 .112 .097 .089 .092 .085 .097
.114
.097 .087

.094 .088 .097 .081 .101 .057 .087 .103 .096 .086 .087 .084 .094
.104
.094 Y

Y

Y

Y 0 5 5 0 0 5 0 0 5 0 0 0 0 0
5
0 2ND MAX 1-HR 1-HOUR NUM DAYS REQ 366 365 365 365 366 365 365 366 365 365 365 366 365 366
365
365 .082 .089 .087 .089 .078 .096 .057 .083 .097 .093 .086 .083 .083 .084
.095
.093 3RD MAX 1-HR .081

.088 .085 .089 .076 .095 .055 .083 .094 .090 .084 .080 .080 .084
.093
.092 4TH MAX 1-HR DAY MAX>/= 0.125 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0
0 EST DAYS>/= .125 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
0.0
0.0 MISS DAYS< 0.125 1 1 2 5 0 2 0 1 3 1 7 1 1 2
1
1May. 12, 2010

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



### Page9of31 Ozone (44201) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 1ST

MAX 1-HR CERTEDT
32-003-0022
32-003-0022
32-003-0022
32-003-0023
32-003-0023
32-003-0023
32-003-0023
32-003-0023
32-003-0023
32-003-0043 32-003-0043 1

1
1
1
1
1
1
1
1
1 1 0226
0226
0226
0226
0226
0226
0226
0226
0226
0226 0226 North Las Vegas North Las Vegas North Las Vegas Mesquite Mesquite Mesquite Mesquite Mesquite Mesquite Las Vegas Las Vegas Clark

Clark
Clark
Clark
Clark
Clark
Clark
Clark
Clark
Clark Clark 12101 HWY 93/I15NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 4525 NEW FOREST DRIVE 4525 NEW FOREST DRIVE 2007

2008
2009
2004
2005
2006
2007
2008
2009
2004 2005 087
087
087
087
087
087
087
087
087
087 087 359
343
360
365
364
364
356
360
361
339 362 .092

.084
.081
.088
.106
.077
.082
.075
.071
.090 .113 .091

.081
.081
.087
.098
.076
.076
.074
.070
.089 .112 Y

Y 0
0
0
0
5
0
0
0
0
0 5 2ND MAX 1-HR 1-HOUR NUM DAYS REQ
365
366
365
366
365
365
365
366
365
366 365 .089
.080
.080
.081
.082
.075
.072
.073
.069
.084 .103 3RD MAX 1-HR
.088

.080
.077
.080
.080
.074
.071
.072
.067
.082 .102 4TH MAX 1-HR DAY MAX>/= 0.125
0
0
0
0
0
0
0
0
0
0 0 EST DAYS>/= .125
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0 0.0 MISS DAYS< 0.125
4
2
3
1
1
1
3
2
2
0 1May. 12, 2010

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



### Page10of31 Ozone (44201) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 1ST

MAX 1-HR CERTEDT 32-003-0043 32-003-0043 32-003-0043 32-003-0043 32-003-0071 32-003-0071 32-003-0071 32-003-0071 32-003-0071 32-003-0071 32-003-0072 32-003-0072 32-003-0072 32-003-0072 32-003-0072 32-003-0072 32-003-0073 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark 4525 NEW FOREST DRIVE 4525 NEW FOREST DRIVE 4525 NEW FOREST DRIVE 4525 NEW FOREST DRIVE 7701 DUCHARME AVE 7701 DUCHARME AVE 7701 DUCHARME AVE 7701 DUCHARME AVE 7701 DUCHARME AVE 7701 DUCHARME AVE 3525 N VALADEZ STREET 3525 N VALADEZ STREET 3525 N VALADEZ STREET 3525 N VALADEZ STREET 3525 N VALADEZ STREET 3525 N VALADEZ STREET 333 PAVILION 2006

2007 2008 2009 2004 2005 2006 2007 2008 2009 2004 2005 2006 2007 2008 2009 2004 087 087 087 087 087 087 087 087 087 087 087 087 087 087 087 087 087 365 361 359 359 358 365 362 358 356 362 365 364 365 363 363 363 362 .115

.097 .095 .084 .094 .118 .108 .097 .096 .094 .090 .123 .108 .095 .097 .090 .095 .106

.096 .092 .081 .092 .114 .107 .096 .092 .090 .088 .116 .106 .093 .097 .087 .093 Y

Y

Y 5 0 0 0 0 5 5 0 0 5 0 5 5 0 0 0 0 2ND MAX 1-HR 1-HOUR NUM DAYS REQ 365 365 366 365 366 365 365 365 366 365 366 365 365 365 366 365 366 .102 .096 .088 .081 .087 .107 .106 .096 .091 .089 .087 .113 .103 .091 .095 .085 .091 3RD MAX 1-HR .092

.092 .087 .080 .086 .105 .099 .094 .091 .088 .087 .111 .103 .091 .087 .084 .087 4TH MAX 1-HR DAY MAX>/= 0.125 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 EST DAYS>/= .125 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 MISS DAYS< 0.125 0 1 5 6 0 0 3 1 8 3 1 1 0 2 3 2 2May. 12, 2010

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



### Page11of31 Ozone (44201) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 1ST

MAX 1-HR CERTEDT 32-003-0073 32-003-0073 32-003-0073 32-003-0073 32-003-0073 32-003-0075 32-003-0075 32-003-0075 32-003-0075 32-003-0075 32-003-0075 32-003-0078 32-003-0538
32-003-0538
32-003-0538 1

1 1 1 1 1 1 1 1 1 1 1 2
2
2 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226
0226
0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Searchlight Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark
Clark
Clark CENTER DRIVE 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 6651 W. AZURE AVE 6651 W. AZURE AVE 6651 W. AZURE AVE 6651 W. AZURE AVE 6651 W. AZURE AVE 6651 W. AZURE AVE 103 HIGHWAY 95, SEARCHLIGHT, NV 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, 2005

2006 2007 2008 2009 2004 2005 2006 2007 2008 2009 2004 2004
2005
2006 087 087 087 087 087 087 087 087 087 087 087 087 087
087
087 356 360 358 359 361 365 357 361 362 362 361 56 361
358
360 .118

.110 .097 .099 .092 .104 .118 .105 .095 .099 .091 .057 .095
.107
.101 .109

.109 .094 .091 .088 .093 .116 .101 .092 .098 .089 .053 .090
.102
.096 Y

Y Y 5 5 0 0 0 0 5 5 0 0 5 0 0
5
0 2ND MAX 1-HR 1-HOUR NUM DAYS REQ 365 365 365 366 365 366 365 365 365 366 365 366 366
365
365 .104 .105 .091 .091 .083 .092 .108 .094 .092 .092 .086 .051 .086
.097
.094 3RD MAX 1-HR .101

.097 .090 .089 .080 .091 .107 .094 .091 .090 .085 .050 .086
.092
.094 4TH MAX 1-HR DAY MAX>/= 0.125 0 0 0 0 0 0 0 0 0 0 0 0 0
0
0 EST DAYS>/= .125 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
0.0
0.0 MISS DAYS< 0.125 0 3 3 3 0 1 2 4 1 2 4 0 0
0
1May. 12, 2010

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



### Page12of31 Ozone (44201) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 1ST

MAX 1-HR CERTEDT 32-003-0538
32-003-0538
32-003-0538
32-003-0601 32-003-0601 32-003-0601 32-003-0601 32-003-0601 32-003-0601 32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-1021 32-003-1021 32-003-1021 2

2
2
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0226
0226
0226
0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 Las Vegas Las Vegas Las Vegas Boulder City Boulder City Boulder City Boulder City Boulder City Boulder City Jean Jean Jean Jean Jean Jean Las Vegas Las Vegas Las Vegas Clark

Clark
Clark
Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 1562 KATIE AVE 1562 KATIE AVE 1562 KATIE AVE 2007

2008
2009
2004 2005 2006 2007 2008 2009 2004 2005 2006 2007 2008 2009 2006 2007 2008 087
087
087
087 087 087 087 087 087 087 087 087 087 087 087 087 087 087 354
312
362
354 365 365 346 352 318 364 365 364 359 353 361 272 356 361 .093

.090
.085
.093 .090 .088 .103 .079 .080 .094 .103 .092 .092 .087 .082 .109 .112 .089 .090

.082
.082
.091 .089 .085 .090 .078 .079 .087 .098 .088 .091 .085 .080 .106 .095 .089 Y

Y 0
0
0
0 5 0 0 0 0 0 5 0 0 0 5 5 0 0 2ND MAX 1-HR 1-HOUR NUM DAYS REQ 365
366
365
366 365 365 365 366 365 366 365 365 365 366 365 365 365 366 .084
.079
.080
.083 .088 .080 .087 .078 .075 .085 .090 .084 .088 .080 .078 .101 .095 .086 3RD MAX 1-HR .084

.079
.077
.083 .082 .079 .084 .077 .075 .084 .088 .084 .086 .079 .077 .101 .088 .083 4TH MAX 1-HR DAY MAX>/= 0.125 0
0
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 EST DAYS>/= .125 0.0
0.0
0.0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 MISS DAYS< 0.125 2
1
3
0 0 0 5 4 1 2 0 1 1 7 2 0 3 5May. 12, 2010

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



### Page13of31 Ozone (44201) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 1ST

MAX 1-HR CERTEDT 32-003-1021 32-003-2002 32-003-2002 32-003-2002 32-003-2002 32-003-2002 32-003-2002 1

1 1 1 1 1 1 0226 0226 0226 0226 0226 0226 0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark Clark Clark Clark 1562 KATIE AVE 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 2009

2004 2005 2006 2007 2008 2009 087 087 087 087 087 087 087 354 365 364 363 363 364 356 .087

.092 .113 .105 .096 .084 .084 .086

.091 .112 .104 .093 .083 .083 Y 0 0 5 5 0 0 0 2ND MAX 1-HR 1-HOUR NUM DAYS REQ 365 366 365 365 365 366 365 .082 .086 .105 .104 .091 .077 .082 3RD MAX 1-HR .081

.086 .101 .102 .090 .077 .082 4TH MAX 1-HR DAY MAX>/= 0.125 0 0 0 0 0 0 0 EST DAYS>/= .125 0.0 0.0 0.0 0.0 0.0 0.0 0.0 MISS DAYS< 0.125 2 1 1 2 2 2 1May. 12, 2010

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



### Page14of31 Ozone (44201) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 4TH MAX 8-HR CERTEDT 32-003-0007 32-003-0007 32-003-0007 32-003-0007 32-003-0016 32-003-0016 32-003-0016 32-003-0020 32-003-0020 32-003-0020 32-003-0020 32-003-0020 32-003-0020 32-003-0022
32-003-0022
32-003-0022 1

1 1 1 1 1 1 1 1 1 1 1 1 1
1
1 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226
0226
0226 Henderson Henderson Henderson Henderson Las Vegas Las Vegas Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas Clark

Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark
Clark
Clark 545 LAKE MEAD DR, HENDERSON 545 LAKE MEAD DR, HENDERSON 545 LAKE MEAD DR, HENDERSON 545 LAKE MEAD DR, HENDERSON CITY-CENTER., LAS VEGAS CITY-CENTER., LAS VEGAS CITY-CENTER., LAS VEGAS 4701 MITCHELL STREET 4701 MITCHELL STREET 4701 MITCHELL STREET 4701 MITCHELL STREET 4701 MITCHELL STREET 4701 MITCHELL STREETNE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 2004

2005 2006 2007 2004 2005 2006 2004 2005 2006 2007 2008 2009 2004
2005
2006 087 087 087 087 087 087 087 087 087 087 087 087 087 087
087
087 .082 .087 .088 .083 .068 .087 .054 .075 .095 .084 .081 .080 .076 .085
.098
.083 .077

.086 .079 .083 .067 .082 .051 .074 .092 .081 .077 .077 .073 .085
.095
.083 Y

Y

Y

Y 0 5 5 0 0 5 0 0 5 0 0 0 0 0
5
0 8-HOUR NUM DAYS REQ 366 365 365 365 366 365 365 366 365 365 365 366 365 366
365
365 .075 .080 .079 .078 .067 .081 .049 .074 .083 .080 .075 .074 .073 .078
.079
.082 .075

.077 .076 .078 .065 .079 .049 .074 .083 .079 .075 .071 .072 .077
.078
.079 DAY MAX > 0.075 2 6 6 5 0 4 0 0 7 7 2 2 1 5
13
16 364 364 363 348 366 363 90 362 353 362 357 358 352 361
359
361 %OBS 99 100 99 95 100 99 25 99 97 99 98 98 96 99
98
99 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRMay. 12, 2010

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



### Page15of31 Ozone (44201) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 4TH MAX 8-HR CERTEDT 32-003-0022
32-003-0022
32-003-0022
32-003-0023
32-003-0023
32-003-0023
32-003-0023
32-003-0023
32-003-0023
32-003-0043 32-003-0043 32-003-0043 32-003-0043 1

1
1
1
1
1
1
1
1
1 1 1 1 0226
0226
0226
0226
0226
0226
0226
0226
0226
0226 0226 0226 0226 North Las Vegas North Las Vegas North Las Vegas Mesquite Mesquite Mesquite Mesquite Mesquite Mesquite Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark
Clark
Clark
Clark
Clark
Clark
Clark
Clark
Clark Clark Clark Clark NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 4525 NEW FOREST DRIVE 4525 NEW FOREST DRIVE 4525 NEW FOREST DRIVE 4525 NEW FOREST 2007

2008
2009
2004
2005
2006
2007
2008
2009
2004 2005 2006 2007 087
087
087
087
087
087
087
087
087
087 087 087 087 .086
.076
.077
.084
.092
.072
.076
.071
.068
.081 .100 .091 .087 .085

.075
.072
.076
.082
.070
.066
.071
.066
.077 .096 .087 .086 Y

Y 0
0
0
0
5
0
0
0
0
0 5 5 0 8-HOUR NUM DAYS REQ 365
366
365
366
365
365
365
366
365
366 365 365 365 .085
.073
.070
.075
.075
.069
.066
.070
.063
.077 .080 .083 .085 .081

.071
.070
.073
.072
.069
.065
.069
.062
.077 .080 .083 .083 DAY MAX > 0.075 7
1
1
2
2
0
1
0
0
6 14 16 14 355
338
360
364
364
364
354
359
359
339 362 364 360 %OBS 97
92
99
99
100
100
97
98
98
93 99 100 99 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRMay. 12, 2010

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



### Page16of31 Ozone (44201) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 4TH MAX 8-HR CERTEDT 32-003-0043 32-003-0043 32-003-0071 32-003-0071 32-003-0071 32-003-0071 32-003-0071 32-003-0071 32-003-0072 32-003-0072 32-003-0072 32-003-0072 32-003-0072 32-003-0072 32-003-0073 32-003-0073 32-003-0073 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark 4525 NEW FOREST DRIVE 4525 NEW FOREST DRIVE 7701 DUCHARME AVE 7701 DUCHARME AVE 7701 DUCHARME AVE 7701 DUCHARME AVE 7701 DUCHARME AVE 7701 DUCHARME AVE 3525 N VALADEZ STREET 3525 N VALADEZ STREET 3525 N VALADEZ STREET 3525 N VALADEZ STREET 3525 N VALADEZ STREET 3525 N VALADEZ STREET 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 2008

2009 2004 2005 2006 2007 2008 2009 2004 2005 2006 2007 2008 2009 2004 2005 2006 087 087 087 087 087 087 087 087 087 087 087 087 087 087 087 087 087 .082 .074 .080 .101 .094 .090 .083 .081 .079 .105 .098 .085 .081 .074 .083 .096 .093 .078

.073 .080 .095 .094 .086 .078 .078 .078 .097 .090 .081 .079 .074 .082 .088 .091 Y

Y

Y 0 0 0 5 5 0 0 5 0 5 5 0 0 0 0 5 5 8-HOUR NUM DAYS REQ 366 365 366 365 365 365 366 365 366 365 365 365 366 365 366 365 365 .078 .072 .078 .089 .090 .085 .076 .077 .078 .095 .088 .081 .078 .073 .080 .088 .085 .077

.071 .078 .088 .085 .085 .076 .074 .077 .089 .085 .080 .078 .072 .079 .086 .084 DAY MAX > 0.075 5 0 6 16 21 14 4 3 7 22 16 12 5 0 7 16 17 355 353 358 365 361 355 349 362 365 364 363 360 357 360 361 356 359 %OBS 97 97 98 100 99 97 95 99 100 100 99 99 98 99 99 98 98 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRMay. 12, 2010

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



### Page17of31 Ozone (44201) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 4TH MAX 8-HR CERTEDT 32-003-0073 32-003-0073 32-003-0073 32-003-0075 32-003-0075 32-003-0075 32-003-0075 32-003-0075 32-003-0075 32-003-0078 32-003-0538
32-003-0538
32-003-0538
32-003-0538
32-003-0538 1

1 1 1 1 1 1 1 1 1 2
2
2
2
2 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226
0226
0226
0226
0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Searchlight Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark
Clark
Clark
Clark
Clark 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 6651 W. AZURE AVE 6651 W. AZURE AVE 6651 W. AZURE AVE 6651 W. AZURE AVE 6651 W. AZURE AVE 6651 W. AZURE AVE 103 HIGHWAY 95, SEARCHLIGHT, NV 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 5483 CLUBHOUSE DR-WINTERWOOD, 2007

2008 2009 2004 2005 2006 2007 2008 2009 2004 2004
2005
2006
2007
2008 087 087 087 087 087 087 087 087 087 087 087
087
087
087
087 .088 .079 .073 .088 .105 .088 .083 .083 .079 .051 .079
.100
.084
.082
.075 .083

.078 .072 .082 .099 .085 .081 .082 .077 .049 .078
.094
.084
.078
.073 Y

Y Y 0 0 0 0 5 5 0 0 5 0 0
5
0
0
0 8-HOUR NUM DAYS REQ 365 366 365 366 365 365 365 366 365 366 366
365
365
365
366 .081 .078 .072 .082 .091 .084 .081 .080 .075 .047 .078
.079
.080
.076
.072 .081

.074 .072 .081 .087 .083 .081 .080 .074 .046 .077
.079
.078
.076
.071 DAY MAX > 0.075 9 3 0 15 21 9 12 8 2 0 4
8
8
5
0 356 351 360 365 354 360 361 359 359 56 360
357
360
343
309 %OBS 98 96 99 100 97 99 99 98 98 15 98
98
99
94
84 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRMay. 12, 2010

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



### Page18of31 Ozone (44201) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 4TH MAX 8-HR CERTEDT 32-003-0538
32-003-0601 32-003-0601 32-003-0601 32-003-0601 32-003-0601 32-003-0601 32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-1021 32-003-1021 32-003-1021 32-003-1021 32-003-2002 32-003-2002 32-003-2002 2

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0226
0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 Las Vegas Boulder City Boulder City Boulder City Boulder City Boulder City Boulder City Jean Jean Jean Jean Jean Jean Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark 5483 CLUBHOUSE DR-WINTERWOOD, LAS VEGAS 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 1562 KATIE AVE 1562 KATIE AVE 1562 KATIE AVE 1562 KATIE AVE 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 2009

2004 2005 2006 2007 2008 2009 2004 2005 2006 2007 2008 2009 2006 2007 2008 2009 2004 2005 2006 087
087 087 087 087 087 087 087 087 087 087 087 087 087 087 087 087 087 087 087 .075
.083 .084 .079 .087 .074 .076 .083 .092 .083 .088 .078 .079 .090 .079 .077 .074 .079 .098 .091 .074

.081 .083 .077 .084 .073 .072 .080 .088 .083 .085 .075 .076 .088 .078 .077 .073 .077 .095 .088 Y

Y

Y 0
0 5 0 0 0 0 0 5 0 0 0 5 5 0 0 0 0 5 5 8-HOUR NUM DAYS REQ 365
366 365 365 365 366 365 366 365 365 365 366 365 365 365 366 365 366 365 365 .071
.078 .079 .075 .078 .073 .071 .080 .085 .079 .083 .074 .074 .087 .078 .076 .072 .076 .087 .083 .070

.077 .078 .074 .076 .071 .071 .079 .083 .079 .083 .074 .072 .085 .077 .074 .071 .075 .082 .081 DAY MAX > 0.075 0
4 5 2 6 0 1 10 17 13 12 1 2 9 4 3 0 3 7 13 361
353 365 364 343 349 311 363 365 363 354 347 356 272 352 356 350 364 363 361 %OBS 99
96 100 100 94 95 85 99 100 99 97 95 98 75 96 97 96 99 99 99 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRMay. 12, 2010

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



### Page19of31 Ozone (44201) Nevada Parts per million (007)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH VALID DAYS MEAS 4TH MAX 8-HR CERTEDT 32-003-2002 32-003-2002 32-003-2002 1

1 1 0226 0226 0226 Las Vegas Las Vegas Las Vegas Clark

Clark Clark 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 2007

2008 2009 087 087 087 .083 .069 .076 .082

.069 .074 0 0 0 8-HOUR NUM DAYS REQ 365 366 365 .081 .069 .073 .080

.068 .072 DAY MAX > 0.075 8 0 1 359 360 354 %OBS 98 98 97 1ST MAX 8-HR 2ND

MAX 8-HR 3RD

MAX 8-HRMay. 12, 2010

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



### Page20of31 PM10 Total 0-10um STP (81102) Nevada Micrograms/cubic meter (25 C) (001)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERTEDT 32-003-0007 32-003-0007 32-003-0007 32-003-0007 32-003-0016 32-003-0016 32-003-0016 32-003-0020 32-003-0020 32-003-0020 32-003-0020 32-003-0020 32-003-0020 32-003-0022
32-003-0022
32-003-0022 1

1 1 1 1 1 1 1 1 1 1 1 1 1
1
1 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226
0226
0226 Henderson Henderson Henderson Henderson Las Vegas Las Vegas Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Vegas North Las Clark

Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark
Clark
Clark 545 LAKE MEAD DR, HENDERSON 545 LAKE MEAD DR, HENDERSON 545 LAKE MEAD DR, HENDERSON 545 LAKE MEAD DR, HENDERSON CITY-CENTER., LAS VEGAS CITY-CENTER., LAS VEGAS CITY-CENTER., LAS VEGAS 4701 MITCHELL STREET 4701 MITCHELL STREET 4701 MITCHELL STREET 4701 MITCHELL STREET 4701 MITCHELL STREET 4701 MITCHELL STREETNE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15NE OF CITY2004

2005 2006 2007 2004 2005 2006 2004 2005 2006 2007 2008 2009 2004
2005
2006 076

000 150 150 076 000 150 000 150 150 150 150 150 076
000
150 119 84 77 153 84 70 95 151 149 157 131 203 67 150
97
152 Y Y

Y Y

Y Y

Y
Y 0 0 0 0 0 0 0 5 0 0 0 5 0 0
0
0 24-HOUR VALID DAYS 366 365 365 365 366 365 365 366 365 365 365 366 365 366
365
365 DAY MAX >150 0 0 0 0 0 0 0 0 0 1 0 2 0 0
0
0 337 335 342 332 339 338 113 336 332 340 327 333 8680 339
319
333 %OBS 92 92 94 91 93 93 31 92 91 93 90 91 100 93
87
91 1ST MAX 2ND MAX 3RD MAX 88 68 65 108 76 68 62 100 142 124 120 168 66 85
72
97 83 67 61 83 74 67 59 95 96 103 94 123 64 71
65
96 72 62 58 79 72 66 58 92 90 101 86 102 64 68
65
76 EST

DAYS >150 0 0 0 0 0 0 0 0 0 1.057 0 2.220 0 0
0
0 30.7 29.3 26.1 26.1 35.1 31.8 27.5* 40.5 39.9 35.3 34.0 31.9 23.8 19.3
19.4
17.8 WTD ARITH MEAN 337 335 342 332 339 338 113 338 332 340 327 333 365 339
319
333 NUM REQMay. 12, 2010

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



### Page21of31 PM10 Total 0-10um STP (81102) Nevada Micrograms/cubic meter (25 C) (001)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERTEDT
32-003-0022
32-003-0022
32-003-0022
32-003-0023
32-003-0023
32-003-0023
32-003-0023
32-003-0023
32-003-0023
32-003-0043 32-003-0043 1

1
1
1
1
1
1
1
1
1 1 0226
0226
0226
0226
0226
0226
0226
0226
0226
0226 0226 Vegas North Las Vegas North Las Vegas North Las Vegas Mesquite Mesquite Mesquite Mesquite Mesquite Mesquite Las Vegas Las Vegas Clark

Clark
Clark
Clark
Clark
Clark
Clark
Clark
Clark
Clark Clark 12101 HWY 93/I15NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 465 E. OLD MILL ROAD, MESQUITE, NV 4525 NEW FOREST DRIVE 4525 NEW FOREST DRIVE 2007

2008
2009
2004
2005
2006
2007
2008
2009
2004 2005 150

150
150
076
000
150
150
150
150
076 000 255
128
159
134
316
145
193
97
128
86 70 Y
Y

Y Y 5
0
0
0
0
0
5
0
0
0 0 24-HOUR VALID DAYS
365
366
365
366
365
365
365
366
365
366 365 DAY MAX >150

1
0
1
0
1
0
1
0
0
0 0 322
303
8390
334
330
338
329
327
8337
325 335 %OBS
88
83
96
91
90
93
90
89
96
89 92 1ST MAX 2ND MAX 3RD MAX
96
96
83
130
89
142
107
92
121
61 66 84
96
67
104
88
130
105
82
115
60 61 60
76
64
64
86
122
80
72
103
57 60 EST

DAYS >150
1.096
0
1.045
0
1.059
0
1.083
0
0
0 0 20.7
19.3*
16.2
21.8
25.8
24.1
24.9
20.3
19.7
24.1 23.9 WTD ARITH MEAN
322
303
352
334
330
338
329
327
351
325 335 NUM REQMay. 12, 2010

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



### Page22of31 PM10 Total 0-10um STP (81102) Nevada Micrograms/cubic meter (25 C) (001)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERTEDT 32-003-0043 32-003-0043 32-003-0043 32-003-0043 32-003-0071 32-003-0071 32-003-0071 32-003-0071 32-003-0072
32-003-0072
32-003-0072
32-003-0072
32-003-0072
32-003-0072 1

1 1 1 1 1 1 1 1
1
1
1
1
1 0226 0226 0226 0226 0226 0226 0226 0226 0226
0226
0226
0226
0226
0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark Clark Clark Clark Clark Clark
Clark
Clark
Clark
Clark
Clark 4525 NEW FOREST DRIVE 4525 NEW FOREST DRIVE 4525 NEW FOREST DRIVE 4525 NEW FOREST DRIVE 7701 DUCHARME AVE 7701 DUCHARME AVE 7701 DUCHARME AVE 7701 DUCHARME AVE 3525 N VALADEZ STREET 3525 N VALADEZ STREET 3525 N VALADEZ STREET 3525 N VALADEZ STREET 3525 N VALADEZ STREET 3525 N VALADEZ 2006

2007 2008 2009 2004 2005 2006 2007 2004
2005
2006
2007
2008
2009 150

150 150 150 076 000 150 150 076
000
150
150
150
150 100 71 76 84 64 56 106 66 58
55
82
55
70
69 Y Y

Y
Y 0 0 0 0 0 0 0 0 0
0
0
0
0
0 24-HOUR VALID DAYS 365 365 366 365 366 365 365 365 366
365
365
365
366
365 DAY MAX >150 0 0 0 0 0 0 0 0 0
0
0
0
0
0 339 335 325 8646 317 338 340 338 335
336
338
312
328
8647 %OBS 93 92 89 99 87 93 93 93 92
92
93
85
90
99 1ST MAX 2ND MAX 3RD MAX 84 65 76 66 55 54 104 47 54
52
69
52
59
50 66 55 70 53 51 52 69 40 54
49
67
50
58
50 63 52 66 49 46 52 55 40 44
47
55
47
56
44 EST

DAYS >150 0 0 0 0 0 0 0 0 0
0
0
0
0
0 26.0 23.5 21.2 17.4 18.3 19.2 19.8 19.2 20.5
19.8
20.5
19.8*
19.0
16.5 WTD ARITH MEAN 339 335 325 363 317 338 340 338 335
336
338
312
328
363 NUM REQMay. 12, 2010

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



### Page23of31 PM10 Total 0-10um STP (81102) Nevada Micrograms/cubic meter (25 C) (001)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERTEDT 32-003-0073 32-003-0073 32-003-0073 32-003-0073 32-003-0073 32-003-0073 32-003-0075 32-003-0075 32-003-0075 32-003-0075 32-003-0075 32-003-0075 32-003-0298 32-003-0298 32-003-0298 32-003-0298 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Henderson Henderson Henderson Henderson Clark

Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark STREET 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 333 PAVILION CENTER DRIVE 6651 W. AZURE AVE 6651 W. AZURE AVE 6651 W. AZURE AVE 6651 W. AZURE AVE 6651 W. AZURE AVE 6651 W. AZURE AVE 298 ARROYO GRANDE 298 ARROYO GRANDE 298 ARROYO GRANDE 298 ARROYO GRANDE 2004

2005 2006 2007 2008 2009 2004 2005 2006 2007 2008 2009 2004 2005 2006 2007 000

150 150 150 150 150 076 000 150 150 150 150 000 150 150 150 65 46 69 54 54 57 135 124 122 79 120 96 84 79 97 107 Y Y

Y Y

Y Y 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24-HOUR VALID DAYS 366 365 365 365 366 365 366 365 365 365 366 365 366 365 365 365 DAY MAX >150 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 297 338 335 330 335 8646 327 332 340 332 331 8392 336 334 339 333 %OBS 81 93 92 90 92 99 89 91 93 91 90 96 92 92 93 91 1ST MAX 2ND MAX 3RD MAX 47 45 48 46 54 51 106 87 93 71 95 84 68 62 96 107 44

42 47 36 52 51 73 82 90 62 81 71 68 53 63 64 43 41 42 36 44 44 70 76 76 58 80 61 57 47 60 50 EST

DAYS >150 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15.3* 15.1 16.4 17.0 15.7 13.6 29.9 28.9 28.2 28.0 24.8 21.3 25.2 21.6 22.2 21.7 WTD ARITH MEAN 297 338 335 330 335 362 327 332 340 332 331 352 336 334 339 333 NUM REQMay. 12, 2010

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



### Page24of31 PM10 Total 0-10um STP (81102) Nevada Micrograms/cubic meter (25 C) (001)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERTEDT 32-003-0298 32-003-0298 32-003-0539 32-003-0539 32-003-0539 32-003-0539 32-003-0560 32-003-0561 32-003-0561 32-003-0561 32-003-0561 32-003-0561 32-003-0561 32-003-0601
32-003-0601
32-003-0601 1

1 1 1 1 1 1 1 1 1 1 1 1 1
1
1 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226
0226
0226 Henderson Henderson Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Boulder City Boulder City Boulder City Clark

Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark
Clark
Clark 298 ARROYO GRANDE 298 ARROYO GRANDE 4001 EAST SAHARA AVENUE 4001 EAST SAHARA AVENUE 4001 EAST SAHARA AVENUE 4001 EAST SAHARA AVENUE 2801A EAST CHARLESTON 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD 1005 2008

2009 2004 2005 2006 2007 2004 2004 2005 2006 2007 2008 2009 2004
2005
2006 150

150 000 150 150 150 076 076 000 150 150 150 150 000
150
150 144 81 89 99 93 110 114 72 120 113 127 106 86 74
54
63 Y Y

Y Y Y

Y
Y 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0
0 24-HOUR VALID DAYS 366 365 366 365 365 365 366 366 365 365 365 366 365 366
365
365 DAY MAX >150 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0
0 323 8470 338 336 329 306 165 235 332 339 329 327 8619 323
312
344 %OBS 88 97 92 92 90 84 45 64 91 93 90 89 99 88
85
94 1ST MAX 2ND MAX 3RD MAX 80 74 80 89 90 94 110 61 87 91 127 103 81 68
52
55 78 66 73 77 84 89 93 58 81 90 104 75 79 65
49
52 77 61 72 77 76 84 91 57 79 89 81 75 79 48
46
51 EST

DAYS >150 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0
0 21.6 19.4 31.5 32.8 32.8 32.0* 35.7* 29.9* 31.4 35.3 38.5 31.8 27.7 15.3
13.7
13.1 WTD ARITH MEAN 323 355 338 336 329 306 165 235 332 339 329 327 362 323
312
344 NUM REQMay. 12, 2010

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



### Page25of31 PM10 Total 0-10um STP (81102) Nevada Micrograms/cubic meter (25 C) (001)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERTEDT
32-003-0601
32-003-0601
32-003-0601
32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-1021 32-003-1021 32-003-1021 32-003-1021 32-003-1021 32-003-1021 32-003-2001 1

1
1
1 1 1 1 1 1 1 1 1 1 1 1 1 0226
0226
0226
0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 Boulder City Boulder City Boulder City
Jean Jean Jean Jean Jean Jean Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas North Las Vegas Clark

Clark
Clark
Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD 1005 INDUSTRIAL ROAD T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 1562 KATIE AVE 1562 KATIE AVE 1562 KATIE AVE 1562 KATIE AVE 1562 KATIE AVE 1562 KATIE AVE 1301 E LAKE MEAD DR, NORTH LAS 2007

2008
2009
2004 2005 2006 2007 2008 2009 2004 2005 2006 2007 2008 2009 2004 150

150
150
076 000 150 150 150 150 076 000 150 150 150 150 063 84
91
85
71 66 62 60 96 81 88 75 94 103 71 85 67 Y Y

Y Y

N 0
0
0
0 0 0 0 0 0 0 0 0 0 0 0 0 24-HOUR VALID DAYS
365
366
365
366 365 365 365 366 365 366 365 365 365 366 365 61 DAY MAX >150
0
0
0
0 0 0 0 0 0 0 0 0 0 0 0 0 329
335
7762
332 332 334 326 326 8480 334 334 340 332 329 8664 44 %OBS
90
92
89
91 91 92 89 89 97 91 92 93 91 90 99 70 1ST MAX 2ND MAX 3RD MAX
67
65
64
46 59 61 54 85 65 78 71 75 76 70 75 66 58
64
59
44 59 47 45 66 61 65 67 66 66 68 71 54 49
54
54
41 57 39 44 51 53 58 64 64 64 66 71 52 EST

DAYS >150
0
0
0
0 0 0 0 0 0 0 0 0 0 0 0 0 14.5
14.2
13.8*
15.9 17.4 12.1 12.6 12.7 11.8 28.8 30.1 28.5 26.8 28.0 22.7 37.0* WTD ARITH MEAN
329
335
326
332 332 334 326 326 355 334 334 340 332 329 363 43 NUM REQMay. 12, 2010

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



### Page26of31 PM10 Total 0-10um STP (81102) Nevada Micrograms/cubic meter (25 C) (001)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERTEDT 32-003-2002 32-003-2002 32-003-2002 32-003-2002 32-003-2002 32-003-2002 1

1 1 1 1 1 0226 0226 0226 0226 0226 0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark Clark Clark VEGAS 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 2004

2005 2006 2007 2008 2009 000

150 150 150 150 150 122 144 136 110 109 78 Y Y 0 0 0 0 0 0 24-HOUR VALID DAYS 366 365 365 365 366 365 DAY MAX >150 0 0 0 0 0 0 320 318 339 336 327 8627 %OBS 87 87 93 92 89 99 1ST MAX 2ND MAX 3RD MAX 108 83 91 100 91 74 104 77 83 78 82 69 94 76 80 66 74 68 EST

DAYS >150 0 0 0 0 0 0 39.1 31.2 33.2 32.4 31.4 28.1 WTD ARITH MEAN 320 318 339 336 327 363 NUM REQMay. 12, 2010

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



### Page27of31 PM2.5 - Local Conditions (88101) Nevada Micrograms/cubic meter (LC) (105)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 32-003-0022
32-003-0022
32-003-0022
32-003-0022
32-003-0298 32-003-0298 32-003-0298 32-003-0298 32-003-0560 32-003-0560 32-003-0561 32-003-0561 32-003-0561 32-003-0561 1

1
1
1
1 1 1 1 1 2 1 1 1 1 0226
0226
0226
0226
0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 North Las Vegas North Las Vegas North Las Vegas North Las Vegas Henderson Henderson Henderson Henderson Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark
Clark
Clark
Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15NE OF CITY12101 HWY 93/I15 298 ARROYO GRANDE 298 ARROYO GRANDE 298 ARROYO GRANDE 298 ARROYO GRANDE 2801A EAST CHARLESTON 2801A EAST CHARLESTON 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2004

2005
2006
2007
2004 2005 2006 2007 2004 2004 2004 2005 2006 2007 120
120
120
000
120 120 120 000 120 120 120 120 120 000 8.7

11.7
11.2
8.9
11.3 17.0 59.5 13.0 31.3 28.0 42.9 37.6 30.7 32.1 N
Y

N Y

N N N Y 0
0
0
0
0 0 0 0 0 0 0 0 0 0 24-HOUR 98TH PERCENTILE VALUE 7.9
10.2
9.8
8.9
10.7 14.2 11.5 13.0 29.6 28.0 25.8 29.1 23.9 22.6 60
59
58
22
117 119 118 35 97 17 253 342 330 136 1ST

MAX 2ND

MAX 3RD

MAX 7.9
10.2
9.8
7.2
11.1 15.4 15.2 8.9 29.6 23.5 27.3 33.6 28.9 22.6 7.5

9.0
8.1
6.1
10.7 14.2 11.5 8.5 26.7 14.6 27.1 31.9 28.3 22.6 6.9

8.2
7.7
5.9
10.3 11.6 11.2 7.1 26.6 12.2 26.7 31.6 25.4 22.2 3.96
4.05
3.87
3.77*
5.59 5.65 5.90 5.24* 8.83* 9.29* 8.91* 9.37 8.74 10.29 WTD ARITH MEANMay. 12, 2010

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



### Page28of31 PM2.5 - Local Conditions (88101) Nevada Micrograms/cubic meter (LC) (105)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 32-003-0561 32-003-0561 32-003-0561 32-003-0561 32-003-0561 32-003-0561 32-003-0561 32-003-0561 32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-1019 32-003-2002 32-003-2002 32-003-2002 32-003-2002 1

1 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 0226 Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Las Vegas Jean Jean Jean Jean Jean Jean Las Vegas Las Vegas Las Vegas Las Vegas Clark

Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark Clark 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE 2501 SUNRISE AVENUE T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 T25S R59E S10 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 1301B EAST TONOPAH 2008

2009 2004 2005 2006 2007 2008 2009 2004 2005 2006 2007 2008 2009 2004 2005 2006 2007 155 155 120 120 120 000 155 155 120 120 120 000 155 155 120 120 120 000 24.6

49.3 30.0 35.0 30.8 31.6 22.5 47.9 8.2 11.3 11.4 13.7 13.8 13.0 27.6 32.0 48.5 25.7 N Y

N Y

N Y 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24-HOUR 98TH PERCENTILE VALUE 22.3 17.3 30.0 25.9 24.3 22.3 21.5 17.9 6.9 9.7 8.5 9.4 12.9 11.3 20.1 21.1 22.1 19.7 113 115 42 56 59 55 57 60 111 113 119 105 111 111 119 115 119 107 1ST

MAX 2ND

MAX 3RD

MAX 23.6 17.8 20.4 25.9 24.3 22.3 21.5 17.9 7.3 10.2 9.0 11.1 12.9 12.5 26.0 25.3 22.1 22.1 22.3

17.3 20.1 25.0 22.4 21.8 20.1 16.3 6.9 9.7 8.5 9.4 12.9 11.3 20.1 21.1 22.1 19.7 19.6

17.1 18.1 23.9 21.7 21.7 18.4 16.1 6.8 9.2 7.9 8.5 12.5 9.7 20.0 18.1 21.8 19.0 9.29 8.58 9.96* 10.01 9.41 9.83 9.29 9.13 3.44 3.82 3.53 4.00* 4.44 3.95 8.66 8.18 8.15 8.76 WTD ARITH MEANMay. 12, 2010

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



### Page29of31 PM2.5 - Local Conditions (88101) Nevada Micrograms/cubic meter (LC) (105)

SITE ID P

O C PQAO CITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 32-003-2002 32-003-2002 1

1 0226 0226 Las Vegas Las Vegas Clark

Clark 1301B EAST TONOPAH 1301B EAST TONOPAH 2008

2009 155 155 19.8

29.0 0 0 24-HOUR 98TH PERCENTILE VALUE 18.8 16.3 109 121 1ST

MAX 2ND

MAX 3RD

MAX 19.6 17.3 18.8

16.3 17.7

15.1 8.99* 7.71 WTD ARITH MEANMay. 12, 2010

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



### Page30of31 42101 42401 42602 44201 81102 81102 81102 81102 88101 88101 88101 093

092 099 087 000 063 076 150 000 120 155 INSTRUMENTAL

AUTOMATED ANALYZER INSTRUMENTAL INSTRUMENTAL MULTIPLE METHODS HI-VOL SA/GMW-1200 INSTRMENTL-ANDRSEN-SA246B-INLT T A Series FH 62 C14 Continuous MULTIPLE METHODS Andersen RAAS2.5-300 PM2.5 SEQ w/WINS Thermo Electron Model RAAS2.5-300 Sequential wGAS FILTER CORRELATION CO ANALYZER ULTRAVIOLET FLUORESCENCE GAS PHASE CHEMILUMINESCENCE ULTRA VIOLET ABSORPTION MULTIPLE METHODS GRAVIMETRIC BETA-ATTENUATION Beta Attenuation MULTIPLE METHODS GRAVIMETRIC Gravimetric PARAMETER METHOD

CODE COLLECTION METHOD ANALYSIS METHOD METHODS USED IN THIS REPORTMay. 12, 2010

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



### Page31of31 PQAOS USED IN THIS REPORT
PQAO AGENCY DESCRIPTION 0226 Clark County, NV DAQEM