UNITED STATES ENVIRONMENTAL PROTECTION AGENCY QUICKLOOK CRITERIA PARAMETERS Dec. 18, 2012 Report Request ID: 1044261 Report Code: AMP450

Selection Criteria Page 1 User ID:KJN

State County City

Site Parameter POC AQCR UAR CBSA CSA EPA Region Method Duration Begin Date End Date 06 06 06 06 037

059 065 071 GEOGRAPHIC SELECTIONS

PROTOCOL SELECTIONS Parameter Classification Parameter Method Duration QUICK LOOK 81102

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

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

PARAMETER_CODE TRIBAL_CODE STATE_CODE COUNTY_CODE SITE_ID POC DATES EDT_ID GLOBAL DATES 2008 Start Date End Date 2012 Tribal Code

APPLICABLE STANDARDS Standard Description PM10 24-hour 2006Dec. 18, 2012

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



### Page 1 of 24 EXCEPTIONAL DATA TYPES EDT DESCRIPTION 0 1 2 5 NO EVENTS EVENTS EXCLUDED EVENTS INCLUDED EVENTS WITH CONCURRENCE EXCLUDEDDec. 18, 2012

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



### Page 2 of 24 PM10 Total 0-10um STP (81102) Torres-Martinez Band of Cahuilla Mission Indians of California Micrograms/cubic meter (25 C) (001)

SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT TT-595-1999 TT-595-1999 TT-595-1999 TT-595-1999 TT-595-1999 1

1 1 1 1595 595 595 595 595 TorresMartinez I.R.TorresMartinez I.R.TorresMartinez I.R.TorresMartinez I.R.TorresMartinez I.R.Riverside

Riverside Riverside Riverside Riverside 66725 MARTINEZ ROAD 66725 MARTINEZ ROAD 66725 MARTINEZ ROAD 66725 MARTINEZ ROAD 66725 MARTINEZ ROAD2008

2009 2010 2011 2012 122

122 122 122 122 442 241 366 440 377 5 5 5 0 0 24-HOUR VALID DAYS 366 365 365 365 366 DAY MAX >STD 16 9 8 14 15 8123 8240 5982 7853 7085 %OBS 92 94 68 89 80 1ST MAX 2ND MAX 3RD MAX 290 194 312 363 334 286 193 305 313 324 245 188 260 258 250 EST

DAYS >STD 17.23 9.613 16.27 15.39 15.55 65.8

63.9 66.4* 63.5* 62.7* WTD ARITH MEAN 337 343 250 324 294 NUM REQDec. 18, 2012

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



### Page 3 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-037-0002 06-037-0002 06-037-0002 06-037-0002 06-037-0016 06-037-0016 06-037-0016 06-037-0016 06-037-0016 06-037-1002 06-037-1002 06-037-1002 06-037-1002 06-037-1002 06-037-1002 06-037-1002 06-037-1002 2

2 2 2 3 3 3 3 3 2 2 2 2 3 3 3 30972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972Azusa Azusa Azusa Azusa Glendora Glendora Glendora Glendora Glendora Burbank Burbank Burbank Burbank Burbank Burbank Burbank Burbank Los Angeles

Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles 803 N. LOREN AVE., AZUSA 803 N. LOREN AVE., AZUSA 803 N. LOREN AVE., AZUSA 803 N. LOREN AVE., AZUSA 840 LAUREL, GLENDORA 840 LAUREL, GLENDORA 840 LAUREL, GLENDORA 840 LAUREL, GLENDORA 840 LAUREL, GLENDORA 228 W. PALM AVE., BURBANK 228 W. PALM AVE., BURBANK 228 W. PALM AVE., BURBANK 228 W. PALM AVE., BURBANK 228 W. PALM AVE., BURBANK 228 W. PALM AVE., BURBANK 228 W. PALM AVE., BURBANK 228 W. PALM 2008

2009 2010 2011 2008 2009 2010 2011 2012 2008 2009 2010 2011 2008 2009 2010 2011 063

063 063 063 ERR 079 000 000 079 063 063 063 063 079 079 079 079 98 74 70 65 81 93 68 80 55 66 80 51 61 118 130 49 96 0 0 0 0 0 0 5 5 0 0 0 0 0 0 0 5 5 24-HOUR VALID DAYS 61 61 61 61 366 365 365 365 366 61 61 61 61 366 365 365 365 DAY MAX >STD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 49 52 55 61 6282 7535 8531 4222 54 60 55 55 5236 2361 8686 8671 %OBS 80 85 90 100 95 70 86 97 48 89 98 90 90 59 27 99 99 1ST MAX 2ND MAX 3RD MAX 75 65 59 63 58 76 55 76 53 65 76 50 53 84 105 44 63 70 59 55 63 55 72 55 65 52 56 65 46 47 66 91 43 56 70 56 54 62 51 66 55 63 51 53 63 43 42 62 61 42 47 EST

DAYS >STD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 35.3* 32.0* 29.8 32.7 24.1 22.1* 25.2* 28.8 26.3* 35.6 39.2 29.6* 28.4* 31.3* 37.0* 21.1 23.9 WTD ARITH MEAN 49 52 55 61 347 257 313 354 175 54 60 55 55 217 98 363 362 NUM REQDec. 18, 2012

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



### Page 4 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-037-1002 06-037-1103 06-037-1103 06-037-1103 06-037-1103 06-037-1103 06-037-1103 06-037-1103 06-037-1103 06-037-1103 06-037-1103 3

2 2 2 2 3 3 3 3 9 90972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 Burbank Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles

Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles AVE., BURBANK 228 W. PALM AVE., BURBANK 1630 N MAIN ST, LOS ANGELES 1630 N MAIN ST, LOS ANGELES 1630 N MAIN ST, LOS ANGELES 1630 N MAIN ST, LOS ANGELES 1630 N MAIN ST, LOS ANGELES 1630 N MAIN ST, LOS ANGELES 1630 N MAIN ST, LOS ANGELES 1630 N MAIN ST, LOS ANGELES 1630 N MAIN ST, LOS ANGELES 1630 N MAIN ST, LOS ANGELES 2012

2008 2009 2010 2011 2008 2009 2010 2011 2011 2012 079

063 063 063 063 076 076 076 000 122 122 49 66 72 42 53 139 146 76 72 119 54 5 0 0 0 0 0 0 0 5 5 0 24-HOUR VALID DAYS 366 61 61 61 61 366 365 365 365 365 366 DAY MAX >STD 0 0 0 0 0 0 0 0 0 0 0 2165 43 60 56 59 8510 8318 8491 5422 2163 1912 %OBS 25 70 98 92 97 96 94 97 62 25 21 1ST MAX 2ND MAX 3RD MAX 41 65 62 41 50 125 88 71 70 77 53 40 50 57 41 45 93 87 63 65 71 51 39 49 53 41 44 91 82 57 65 69 48 EST

DAYS >STD 0 0 0 0 0 0 0 0 0 0 0 21.8* 30.4* 33.1 27.1 29.0 44.1 44.9 33.5 33.6* 32.7* 28.4* WTD ARITH MEAN 91 43 60 56 59 352 342 354 225 91 78 NUM REQDec. 18, 2012

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



### Page 5 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-037-4002 06-037-4002 06-037-4002 06-037-4002 06-037-4002 06-037-4002 06-037-4002 06-037-4002 06-037-4002 06-037-4004 06-037-4004 2

2 2 2 5 5 5 5 5 2 20972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 Long Beach Long Beach Long Beach Long Beach Long Beach Long Beach Long Beach Long Beach Long Beach Long Beach Long Beach Los Angeles

Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles 3648 N. LONG BEACH BLVD., LONG BEACH 3648 N. LONG BEACH BLVD., LONG BEACH 3648 N. LONG BEACH BLVD., LONG BEACH 3648 N. LONG BEACH BLVD., LONG BEACH 3648 N. LONG BEACH BLVD., LONG BEACH 3648 N. LONG BEACH BLVD., LONG BEACH 3648 N. LONG BEACH BLVD., LONG BEACH 3648 N. LONG BEACH BLVD., LONG BEACH 3648 N. LONG BEACH BLVD., LONG BEACH 1305 E. PACIFIC COAST HWY., LONG BEACH 1305 E. PACIFIC COAST2008

2009 2010 2011 2008 2009 2010 2011 2012 2008 2009 063

063 063 063 079 079 000 122 122 063 063 62 62 44 43 123 76 57 94 62 81 83 0 0 0 0 0 0 0 5 0 0 0 24-HOUR VALID DAYS 61 61 61 61 366 365 365 365 366 61 61 DAY MAX >STD 0 0 0 0 0 0 0 0 0 0 0 57 57 58 60 8741 3681 7052 8723 4340 58 56 %OBS 93 93 95 98 99 41 79 100 50 95 92 1ST MAX 2ND MAX 3RD MAX 45 56 41 42 87 47 56 72 54 64 78 45 55 38 39 62 45 50 59 53 64 60 44 50 36 39 55 43 49 58 48 63 58 EST

DAYS >STD 0 0 0 0 0 0 0 0 0 0 0 29.1 30.5 22.0 24.2 26.7 24.3* 23.1* 27.9 27.9* 35.8 33.2 WTD ARITH MEAN 57 57 58 60 363 150 290 365 182 58 56 NUM REQDec. 18, 2012

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



### Page 6 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-037-4004 06-037-4004 06-037-5005 06-037-5005 06-037-5005 06-037-5005 06-037-6012 06-037-6012 06-037-6012 2

2 1 1 1 1 1 1 10972 0972 0972 0972 0972 0972 0972 0972 0972 Long Beach Long Beach Los Angeles Los Angeles Los Angeles Los Angeles Santa Clarita Santa Clarita Santa ClaritaLos Angeles

Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles HWY., LONG BEACH 1305 E. PACIFIC COAST HWY., LONG BEACH 1305 E. PACIFIC COAST HWY., LONG BEACH 7201 W. WESTCHESTER PARKWAY 7201 W. WESTCHESTER PARKWAY 7201 W. WESTCHESTER PARKWAY 7201 W. WESTCHESTER PARKWAY 22224 PLACERITA CANYON RD, SANTA CLARITA 22224 PLACERITA CANYON RD, SANTA CLARITA 22224 PLACERITA CANYON RD, 2010

2011 2008 2009 2010 2011 2008 2009 2010 063

063 063 063 063 063 063 063 063 76 50 50 52 37 41 91 56 40 0 0 0 0 0 0 0 0 0 24-HOUR VALID DAYS 61 61 61 61 61 61 61 61 61 DAY MAX >STD 0 0 0 0 0 0 0 0 0 59 60 60 60 55 59 57 52 57 %OBS 97 98 98 97 90 95 93 85 93 1ST MAX 2ND MAX 3RD MAX 53 46 49 46 36 40 56 45 38 50 45 45 43 35 33 47 44 38 47 44 42 43 34 32 45 40 37 EST

DAYS >STD 0 0 0 0 0 0 0 0 0 27.3 28.7 25.6 25.6 20.6 21.7 25.8 23.9 20.9 WTD ARITH MEAN 59 60 60 59 55 58 57 52 57 NUM REQDec. 18, 2012

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



### Page 7 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-037-6012 06-037-9033 06-037-9033 06-037-9033 06-037-9033 06-037-9033 06-037-9033 06-037-9033 06-037-9033 06-037-9033 06-037-9033 1

1 1 1 1 1 2 2 2 2 20972 0145 0145 0145 0145 0145 0145 0145 0145 0145 0145 Santa Clarita
Lancaster Lancaster Lancaster Lancaster Lancaster Lancaster Lancaster Lancaster Lancaster Lancaster Los Angeles

Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles Los Angeles SANTA CLARITA 22224 PLACERITA CANYON RD, SANTA CLARITA 43301 DIVISION ST., LANCASTER, CA 43301 DIVISION ST., LANCASTER, CA 43301 DIVISION ST., LANCASTER, CA 43301 DIVISION ST., LANCASTER, CA 43301 DIVISION ST., LANCASTER, CA 43301 DIVISION ST., LANCASTER, CA 43301 DIVISION ST., LANCASTER, CA 43301 DIVISION ST., LANCASTER, CA 43301 DIVISION ST., LANCASTER, CA 43301 2011

2008 2009 2010 2011 2012 2008 2009 2010 2011 2012 063

063 063 063 063 063 079 079 079 079 000 45 73 60 39 51 47 152 199 43 81 85 0 0 0 0 5 0 5 0 5 5 5 24-HOUR VALID DAYS 61 61 61 61 61 61 366 365 365 365 366 DAY MAX >STD 0 0 0 0 0 0 0 1 0 0 0 58 56 57 54 57 45 6723 8735 7469 8068 2330 %OBS 95 92 92 87 90 74 76 100 84 91 26 1ST MAX 2ND MAX 3RD MAX 39 50 58 31 43 38 98 58 40 50 70 38 44 42 31 40 37 75 55 38 44 55 37 43 37 30 33 34 67 54 37 41 55 EST

DAYS >STD 0 0 0 0 0 0 0 1 0 0 0 20.8 24.7 22.8 16.8* 18.7 20.8* 24.1* 20.2 17.9* 19.2 42.9* WTD ARITH MEAN 58 56 56 53 55 45 279 365 306 332 96 NUM REQDec. 18, 2012

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



### Page 8 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-059-0007 06-059-0007 06-059-0007 06-059-0007 06-059-0007 06-059-0007 06-059-0007 06-059-0007 06-059-0007 06-059-0007 06-059-2022 06-059-2022 06-059-2022 1

1 1 1 3 3 3 3 3 5 1 1 10972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972Anaheim Anaheim Anaheim Anaheim Anaheim Anaheim Anaheim Anaheim Anaheim Anaheim Mission Viejo Mission Viejo Mission ViejoOrange

Orange Orange Orange Orange Orange Orange Orange Orange Orange Orange Orange Orange DIVISION ST., LANCASTER, CA 1630 W. PAMPAS LANE 1630 W. PAMPAS LANE 1630 W. PAMPAS LANE 1630 W. PAMPAS LANE 1630 W. PAMPAS LANE 1630 W. PAMPAS LANE 1630 W. PAMPAS LANE 1630 W. PAMPAS LANE 1630 W. PAMPAS LANE 1630 W. PAMPAS LANE 26081 VIA PERA, MISSION VIEJO, CA 92691 26081 VIA PERA, MISSION VIEJO, CA 92691 26081 VIA PERA, MISSION VIEJO, CA 2008

2009 2010 2011 2008 2009 2010 2011 2012 2010 2008 2009 2010 063

063 063 063 079 079 000 122 122 079 063 063 063 61 63 43 53 111 97 99 79 192 36 42 56 34 0 0 0 0 0 0 0 5 0 0 0 0 0 24-HOUR VALID DAYS 61 61 61 61 366 365 365 365 366 365 61 61 61 DAY MAX >STD 0 0 0 0 0 0 0 0 1 0 0 0 0 58 56 57 60 6818 8754 6557 8719 4203 1416 55 60 58 %OBS 95 92 93 98 78 100 75 100 48 16 90 98 93 1ST MAX 2ND MAX 3RD MAX 59 49 42 51 93 75 55 74 58 35 42 41 31 51 48 39 50 80 58 53 64 53 31 39 41 31 47 45 36 42 80 57 51 60 52 31 39 35 30 EST

DAYS >STD 0 0 0 0 0 0 0 0 1 0 0 0 0 28.6 30.9 22.4 24.8 31.0* 24.0 24.5* 27.0 27.1* 19.0* 22.6 23.5 18.1 WTD ARITH MEAN 58 56 57 60 285 365 274 365 175 59 55 60 57 NUM REQDec. 18, 2012

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



### Page 9 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-059-2022 06-065-0003 06-065-0003 06-065-0003 06-065-0003 06-065-0004 06-065-0004 06-065-0004 06-065-0004 06-065-0004 06-065-0004 06-065-0004 06-065-0004 06-065-0012 06-065-0012 1

1 1 1 1 1 1 1 1 3 3 3 3 1 10972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972Mission Viejo
Norco Norco Norco Norco Mira Loma Mira Loma Mira Loma Mira Loma Mira Loma Mira Loma Mira Loma Mira Loma Banning Banning Orange

Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside 92691 26081 VIA PERA, MISSION VIEJO, CA 92691 NORCONIAN-US NFAC, NORCO NORCONIAN-US NFAC, NORCO NORCONIAN-US NFAC, NORCO NORCONIAN-US NFAC, NORCO 10551 Bellegrave 10551 Bellegrave 10551 Bellegrave 10551 Bellegrave 10551 Bellegrave 10551 Bellegrave 10551 Bellegrave 10551 Bellegrave 200 S. HATHAWAY ST., BANNING CA 200 S. 2011

2008 2009 2010 2011 2008 2009 2010 2011 2008 2009 2010 2011 2008 2009 063

063 063 063 063 063 063 063 063 079 079 079 079 063 063 48 86 79 50 60 130 100 88 55 97 84 64 101 51 99 0 0 0 0 0 0 0 0 0 0 0 5 5 0 0 24-HOUR VALID DAYS 61 61 61 61 61 61 61 61 61 366 365 365 365 61 61 DAY MAX >STD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61 61 59 61 59 13 37 54 25 7546 7947 8320 3113 56 59 %OBS 100 100 97 100 97 21 61 89 41 85 91 95 36 92 97 1ST MAX 2ND MAX 3RD MAX 39 85 68 49 54 70 88 70 48 84 73 63 62 49 48 32 76 66 47 50 58 76 64 46 83 71 63 54 49 45 31 76 65 43 50 55 72 59 44 82 70 63 53 48 45 EST

DAYS >STD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19.2 34.4 35.6 27.2 27.6 62.5* 45.0* 36.6 27.4* 40.9* 38.8* 31.8 26.3* 26.1 25.9 WTD ARITH MEAN 61 61 59 61 59 13 37 54 25 312 333 347 130 56 59 NUM REQDec. 18, 2012

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



### Page 10 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-065-0012 06-065-0012 06-065-1003 06-065-1003 06-065-1003 06-065-2002 06-065-2002 06-065-2002 06-065-2002 06-065-2002 06-065-2002 1

1 5 5 5 2 2 2 2 3 30972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 Banning Banning Riverside Riverside Riverside Indio Indio Indio Indio Indio Indio Riverside

Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside HATHAWAY ST., BANNING CA 200 S. HATHAWAY ST., BANNING CA 200 S. HATHAWAY ST., BANNING CA 7002 MAGNOLIA AVE., RIVERSIDE 7002 MAGNOLIA AVE., RIVERSIDE 7002 MAGNOLIA AVE., RIVERSIDE 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 2010

2011 2010 2011 2012 2008 2009 2010 2011 2008 2009 063

063 122 076 076 063 063 063 063 076 076 55 51 45 89 57 128 132 90 56 336 169 0 0 0 5 0 0 0 0 0 5 5 24-HOUR VALID DAYS 61 61 365 365 366 61 61 61 61 366 365 DAY MAX >STD 0 0 0 0 0 0 0 0 0 3 1 60 59 312 8108 4334 112 57 60 59 8567 8691 %OBS 98 97 3 92 50 100 93 98 97 97 99 1ST MAX 2ND MAX 3RD MAX 47 41 40 83 57 96 79 60 48 211 143 42

40 36 83 56 79 54 56 47 179 139 41

39 35 76 53 71 53 53 45 113 119 EST

DAYS >STD 0 0 0 0 0 0 0 0 0 3 1 21.8 19.3 34.5* 32.4 29.7* 40.2 32.7 29.7 26.2 35.8 33.3 WTD ARITH MEAN 60 59 12 337 182 61 57 60 59 356 362 NUM REQDec. 18, 2012

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



### Page 11 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-065-2002 06-065-2002 06-065-2002 06-065-2002 06-065-2002 06-065-2002 06-065-2002 06-065-2002 06-065-2002 06-065-2002 06-065-5001 3

3 3 4 4 4 6 6 6 7 20972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 Indio Indio Indio Indio Indio Indio Indio Indio Indio Indio Palm Springs Riverside

Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO 46-990 JACKSON ST., INDIO FS-590 2010

2011 2012 2009 2010 2011 2009 2010 2011 2011 2008 000

079 079 063 063 063 063 063 063 063 063 103 375 207 124 93 54 68 107 323 48 75 5 5 0 0 0 0 0 0 5 0 0 24-HOUR VALID DAYS 365 365 366 61 61 61 61 61 61 61 61 DAY MAX >STD 0 2 1 0 0 0 0 0 1 0 0 8653 8550 2152 60 59 59 59 58 59 47 47 %OBS 99 97 25 98 97 97 93 93 95 77 77 1ST MAX 2ND MAX 3RD MAX 91 344 136 81 52 48 56 54 106 47 67 68 120 56 52 50 47 54 50 96 47 56 59 105 54 52 40 47 53 45 50 47 54 EST

DAYS >STD 0 2 1.011 0 0 0 0 0 6.133 0 0 26.4 31.8 29.0* 32.3 27.3 27.1 32.9 28.8 35.4 24.6* 23.2* WTD ARITH MEAN 363 355 90 60 59 59 57 57 58 47 47 NUM REQDec. 18, 2012

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



### Page 12 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT
06-065-5001 06-065-5001 06-065-5001 06-065-5001 06-065-5001 06-065-5001 06-065-5001 06-065-5001 2

2 2 3 3 3 3 30972 0972 0972 0972 0972 0972 0972 0972 Palm Springs Palm Springs Palm Springs Palm Springs Palm Springs Palm Springs Palm Springs Palm Springs Riverside

Riverside Riverside Riverside Riverside Riverside Riverside Riverside RACQUET CLUB AVE, PALM SPRINGS FS-590 RACQUET CLUB AVE, PALM SPRINGS FS-590 RACQUET CLUB AVE, PALM SPRINGS FS-590 RACQUET CLUB AVE, PALM SPRINGS FS-590 RACQUET CLUB AVE, PALM SPRINGS FS-590 RACQUET CLUB AVE, PALM SPRINGS FS-590 RACQUET CLUB AVE, PALM SPRINGS FS-590 RACQUET CLUB AVE, PALM SPRINGS FS-590 RACQUET CLUB2009

2010 2011 2008 2009 2010 2011 2012 063

063 063 076 000 079 079 079 140 37 42 235 116 144 396 29 0 0 0 5 0 0 5 0 24-HOUR VALID DAYS
61 61 61 366 365 365 365 366 DAY MAX >STD
0 0 0 3 0 0 2 0 54 61 61 8751 7450 8698 8301 2158 %OBS
89 100 100 100 85 99 95 24 1ST MAX 2ND MAX 3RD MAX
42 36 38 169 101 61 265 27 37 34 36 168 93 55 85 26 36 34 35 149 89 54 62 24 EST

DAYS >STD
0 0 0 3 0 0 2 0 22.6* 18.7 18.5 31.5 22.3* 18.7 21.1 13.0* WTD ARITH MEAN
54 61 61 365 310 363 346 89 NUM REQDec. 18, 2012

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



### Page 13 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-065-6001 06-065-6001 06-065-6001 06-065-6001 06-065-8001 06-065-8001 06-065-8001 06-065-8001 06-065-8001 06-065-8001 06-065-8001 1

1 1 1 2 2 2 2 4 4 40972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972 Perris Perris Perris Perris Rubidoux Rubidoux Rubidoux Rubidoux Rubidoux Rubidoux Rubidoux Riverside

Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside AVE, PALM SPRINGS 237 1/2 N. 'D' ST., PERRIS 237 1/2 N. 'D' ST., PERRIS 237 1/2 N. 'D' ST., PERRIS 237 1/2 N. 'D' ST., PERRIS 5888 MISSION BLVD., RUBIDOUX 5888 MISSION BLVD., RUBIDOUX 5888 MISSION BLVD., RUBIDOUX 5888 MISSION BLVD., RUBIDOUX 5888 MISSION BLVD., RUBIDOUX 5888 MISSION BLVD., RUBIDOUX 5888 MISSION2008

2009 2010 2011 2008 2009 2010 2011 2009 2010 2011 063

063 063 063 063 063 063 063 063 063 063 85 80 51 65 115 77 75 82 72 67 78 0 0 0 0 0 0 0 0 0 0 0 24-HOUR VALID DAYS 61 61 61 61 61 61 61 61 61 61 61 DAY MAX >STD 0 0 0 0 0 0 0 0 0 0 0 45 58 61 60 120 110 121 104 61 59 61 %OBS 74 95 100 98 100 97 100 87 95 97 100 1ST MAX 2ND MAX 3RD MAX 68 66 47 56 102 77 60 77 68 60 63 65 57 44 53 92 75 59 66 62 60 55 62 56 41 50 84 75 57 64 62 55 52 EST

DAYS >STD 0 0 0 0 0 0 0 0 0 0 0 38.0* 34.8 28.0 29.2 46.9 42.3 33.0 34.1* 43.2 34.8 33.5 WTD ARITH MEAN 45 58 61 60 61 59 61 53 58 59 61 NUM REQDec. 18, 2012

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



### Page 14 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-065-8001 06-065-8001 06-065-8001 06-065-8001 06-065-8001 06-065-8001 06-065-8005 06-065-8005 06-065-8005 06-065-8005 06-065-8005 5

5 5 5 9 9 1 1 1 1 30972 0972 0972 0972 0972 0972 0972 0972 0972 0972 0972Rubidoux Rubidoux Rubidoux Rubidoux Rubidoux Rubidoux Mira Loma Mira Loma Mira Loma Mira Loma Mira Loma Riverside

Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside Riverside BLVD., RUBIDOUX 5888 MISSION BLVD., RUBIDOUX 5888 MISSION BLVD., RUBIDOUX 5888 MISSION BLVD., RUBIDOUX 5888 MISSION BLVD., RUBIDOUX 5888 MISSION BLVD., RUBIDOUX 5888 MISSION BLVD., RUBIDOUX 5130 POINSETTIA PLACE 5130 POINSETTIA PLACE 5130 POINSETTIA PLACE 5130 POINSETTIA PLACE 5130 2008

2009 2010 2011 2011 2012 2008 2009 2010 2011 2010 079

079 079 079 122 122 063 063 063 063 122 93 86 67 82 96 71 135 108 89 79 95 0 0 0 5 5 0 0 0 0 0 5 24-HOUR VALID DAYS 366 365 365 365 365 366 61 61 61 61 365 DAY MAX >STD 0 0 0 0 0 0 0 0 0 0 0 8686 8442 8709 5055 3644 1822 61 59 60 59 5964 %OBS 99 96 100 58 42 21 100 97 98 97 68 1ST MAX 2ND MAX 3RD MAX 92 77 66 62 93 62 120 103 86 73 94 88 77 63 61 92 59 107 79 76 72 92 83 74 62 56 92 56 106 76 69 68 91 EST

DAYS >STD 0 0 0 0 0 0 0 0 0 0 0 44.5 38.9 30.8 32.2* 45.9* 29.5* 57.4 53.3 42.3 41.3 50.2* WTD ARITH MEAN 361 352 365 212 153 77 61 59 60 59 249 NUM REQDec. 18, 2012

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



### Page 15 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-065-8005 06-065-8005 06-065-9001 06-065-9001 06-065-9001 06-065-9001 06-065-9001 06-071-0001 06-071-0001 06-071-0001 06-071-0001 3

3 3 3 3 3 3 2 2 2 20972 0972 0972 0972 0972 0972 0972 0145 0145 0145 0145Mira Loma Mira Loma Lake Elsinore Lake Elsinore Lake Elsinore Lake Elsinore Lake Elsinore Barstow Barstow Barstow Barstow Riverside

Riverside Riverside Riverside Riverside Riverside Riverside San Bernardino San Bernardino San Bernardino San Bernardino POINSETTIA PLACE 5130 POINSETTIA PLACE 5130 POINSETTIA PLACE 506 W FLINT ST, LAKE ELSINORE 506 W FLINT ST, LAKE ELSINORE 506 W FLINT ST, LAKE ELSINORE 506 W FLINT ST, LAKE ELSINORE 506 W FLINT ST, LAKE ELSINORE 200 E. BUENA VISTA, BARSTOW 200 E. BUENA VISTA, BARSTOW 200 E. BUENA VISTA, BARSTOW 200 E. BUENA2011

2012 2008 2009 2010 2011 2012 2008 2009 2010 2011 122

122 079 079 079 079 079 063 063 063 063 152 101 125 74 53 99 37 93 76 38 98 5 0 0 0 0 5 0 5 0 5 5 24-HOUR VALID DAYS 365 366 366 365 365 365 366 61 61 61 61 DAY MAX >STD 0 0 0 0 0 0 0 0 0 0 0 8664 2143 8356 8718 8631 8414 2168 56 61 55 58 %OBS 99 25 95 99 99 96 25 90 100 87 93 1ST MAX 2ND MAX 3RD MAX 131 97 72 57 47 58 31 56 65 35 43 115 96 68 56 45 54 29 50 49 35 41 109 81 67 55 43 52 28 50 43 33 40 EST

DAYS >STD 0 0 0 0 0 0 0 0 0 0 0 50.4 39.4* 38.5 26.9 22.9 23.6 17.5* 26.1 26.8 18.8 21.4 WTD ARITH MEAN 361 90 347 363 360 351 91 55 61 53 57 NUM REQDec. 18, 2012

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



### Page 16 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-071-0001 06-071-0005 06-071-0005 06-071-0005 06-071-0005 06-071-0013 06-071-0013 06-071-0013 06-071-0013 2

1 1 1 1 1 1 1 10145 0972 0972 0972 0972 0145 0145 0145 0145 Barstow Crestline Crestline Crestline Crestline Lucerne Valley Lucerne Valley Lucerne Valley Lucerne Valley San Bernardino

San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino VISTA, BARSTOW 200 E. BUENA VISTA, BARSTOWLAKE GREGORYLAKE DR, CRESTLINELAKE GREGORYLAKE DR, CRESTLINELAKE GREGORYLAKE DR, CRESTLINELAKE GREGORYLAKE DR, CRESTLINEMIDDLE SCH8560 ALIENTO, LUCERNE VALLEYMIDDLE SCH8560 ALIENTO, LUCERNE VALLEYMIDDLE SCH8560 ALIENTO, LUCERNE VALLEYMIDDLE SCH8560 ALIENTO, LUCERNE VALLEY 2012

2008 2009 2010 2011 2008 2009 2010 2011 063

063 063 063 063 063 063 063 063 42 41 57 39 43 67 93 43 33 5 0 0 0 0 5 0 5 5 24-HOUR VALID DAYS 61 61 61 61 61 61 61 61 61 DAY MAX >STD 0 0 0 0 0 0 0 0 0 46 39 51 57 59 54 60 60 56 %OBS 74 64 84 93 97 87 98 95 84 1ST MAX 2ND MAX 3RD MAX 39 40 44 36 42 56 39 39 33 39 39 41 33 39 49 38 32 29 33 38 37 31 35 49 35 28 27 EST

DAYS >STD 0 0 0 0 0 0 0 0 0 21.8* 23.9* 24.5* 18.9 19.0 22.2* 17.3 14.6 14.3* WTD ARITH MEAN 45 39 51 57 59 53 60 58 51 NUM REQDec. 18, 2012

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



### Page 17 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-071-0013 06-071-0025 06-071-0025 06-071-0025 06-071-0025 06-071-0025 06-071-0025 06-071-0025 06-071-0306 06-071-0306 06-071-0306 06-071-0306 1

1 1 1 1 2 2 2 1 1 1 10145 0972 0972 0972 0972 0972 0972 0972 0145 0145 0145 0145 Lucerne Valley Ontario Ontario Ontario Ontario Ontario Ontario Ontario Victorville Victorville Victorville Victorville San Bernardino

San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino MIDDLE SCH8560 ALIENTO, LUCERNE VALLEY 1408 FRANCIS ST. 1408 FRANCIS ST. 1408 FRANCIS ST. 1408 FRANCIS ST. 1408 FRANCIS ST. 1408 FRANCIS ST. 1408 FRANCIS ST. 14306 PARK AVE., VICTORVILLE, CA 14306 PARK AVE., VICTORVILLE, CA 14306 PARK AVE., VICTORVILLE, CA 14306 PARK AVE., VICTORVILLE,2012

2008 2009 2010 2011 2009 2010 2011 2008 2009 2010 2011 063

063 063 063 063 063 063 063 063 063 063 063 30 90 70 87 70 70 89 71 77 53 44 37 0 0 0 0 0 0 0 0 5 0 5 5 24-HOUR VALID DAYS 61 61 61 61 61 61 61 61 61 61 61 61 DAY MAX >STD 0 0 0 0 0 0 0 0 0 0 0 0 41 62 60 59 60 60 60 56 58 61 60 60 %OBS 66 100 98 97 98 98 98 92 92 100 98 98 1ST MAX 2ND MAX 3RD MAX 28 75 65 64 55 64 66 56 74 49 35 36 26 73 56 51 55 57 60 54 45 45 32 36 26 68 54 50 50 56 52 51 45 40 31 35 EST

DAYS >STD 0 0 0 0 0 0 0 0 0 0 0 0 15.1* 38.9 35.0 32.0 30.8 36.4 32.7 31.3 27.0 26.1 20.4 22.0 WTD ARITH MEAN 40 61 60 59 60 60 60 56 56 61 60 60 NUM REQDec. 18, 2012

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



### Page 18 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-071-0306 06-071-0306 06-071-0306 06-071-0306 06-071-0306 06-071-0306 06-071-1004 06-071-1004 06-071-1004 1

2 2 2 2 2 3 3 30145 0145 0145 0145 0145 0145 0972 0972 0972Victorville Victorville Victorville Victorville Victorville Victorville Upland Upland Upland San Bernardino

San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino CA 14306 PARK AVE., VICTORVILLE, CA 14306 PARK AVE., VICTORVILLE, CA 14306 PARK AVE., VICTORVILLE, CA 14306 PARK AVE., VICTORVILLE, CA 14306 PARK AVE., VICTORVILLE, CA 14306 PARK AVE., VICTORVILLE, CA 1350 SAN BERNARDINO RD., UPLAND 1350 SAN BERNARDINO RD., UPLAND 1350 SAN BERNARDINO 2012

2008 2009 2010 2011 2012 2008 2009 2010 063

079 079 079 079 000 079 079 000 45 285 307 49 110 181 66 71 78 5 5 5 5 5 5 5 0 0 24-HOUR VALID DAYS 61 61 61 61 61 61 366 365 365 DAY MAX >STD 0 2 1 0 0 1 0 0 0 41 5834 8635 8566 8694 3153 8591 8745 8199 %OBS 64 67 100 100 100 39 97 100 93 1ST MAX 2ND MAX 3RD MAX 43 234 130 47 81 138 65 57 65 39 126 103 44 72 85 58 48 64 37 121 95 42 53 69 56 47 63 EST

DAYS >STD 0 2.022 1.227 0 0 1.011 0 0 0 24.8* 31.8* 27.5 21.4 21.7 24.5* 27.7 23.9 26.9 WTD ARITH MEAN 39 41 61 61 61 24 356 365 341 NUM REQDec. 18, 2012

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



### Page 19 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-071-1004 06-071-1004 06-071-1234 06-071-1234 06-071-1234 06-071-1234 06-071-1234 06-071-1234 06-071-1234 06-071-1234 06-071-1234 3

3 1 1 1 1 1 2 2 2 20972 0972 0145 0145 0145 0145 0145 0145 0145 0145 0145Upland Upland Searles Valley Searles Valley Searles Valley Searles Valley Searles Valley Searles Valley Searles Valley Searles Valley Searles Valley San Bernardino

San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino RD., UPLAND 1350 SAN BERNARDINO RD., UPLAND 1350 SAN BERNARDINO RD., UPLAND CORNER OF ATHOL AND TELESCOPE CORNER OF ATHOL AND TELESCOPE CORNER OF ATHOL AND TELESCOPE CORNER OF ATHOL AND TELESCOPE CORNER OF ATHOL AND TELESCOPE CORNER OF ATHOL AND TELESCOPE CORNER OF ATHOL AND TELESCOPE CORNER OF ATHOL AND TELESCOPE CORNER OF ATHOL AND 2011

2012 2008 2009 2010 2011 2012 2008 2009 2010 2011 122

122 063 063 063 063 063 079 079 079 079 72 55 109 60 51 45 40 157 186 96 106 0 0 5 5 5 5 5 5 5 5 5 24-HOUR VALID DAYS 365 366 61 61 61 61 61 61 61 61 61 DAY MAX >STD 0 0 0 0 0 0 0 1 1 0 0 8716 4197 54 61 59 53 20 5246 7800 7774 6302 %OBS 100 48 89 98 95 79 31 66 93 93 77 1ST MAX 2ND MAX 3RD MAX 71 55 35 32 37 36 28 144 103 82 93 68 54 33 32 30 34 27 105 79 71 83 63 53 33 32 30 32 26 92 70 68 71 EST

DAYS >STD 0 0 0 0 0 0 0 1.011 1.25 0 0 29.2 29.1* 19.0 18.2 17.1 16.1* 17.7* 26.1* 23.2 20.5 21.3* WTD ARITH MEAN 365 175 54 60 58 48 19 40 57 57 47 NUM REQDec. 18, 2012

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



### Page 20 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-071-1234 06-071-2002 06-071-2002 06-071-2002 06-071-2002 06-071-4001 06-071-4001 06-071-4001 06-071-4001 06-071-4001 06-071-4003 06-071-4003 2

2 2 2 2 1 1 1 1 1 1 10145 0972 0972 0972 0972 0145 0145 0145 0145 0145 0972 0972 Searles Valley Fontana Fontana Fontana Fontana Hesperia Hesperia Hesperia Hesperia Hesperia Redlands Redlands San Bernardino

San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino TELESCOPE CORNER OF ATHOL AND TELESCOPE 14360 ARROW BLVD., FONTANA 14360 ARROW BLVD., FONTANA 14360 ARROW BLVD., FONTANA 14360 ARROW BLVD., FONTANA 17288 OLIVE ST., HESPERIA 17288 OLIVE ST., HESPERIA 17288 OLIVE ST., HESPERIA 17288 OLIVE ST., HESPERIA 17288 OLIVE ST., HESPERIA 500 N. DEARBORN, REDLANDS, CA. 92373 500 N. DEARBORN, REDLANDS, CA.2012

2008 2009 2010 2011 2008 2009 2010 2011 2012 2008 2009 079

063 063 063 063 063 063 063 063 063 063 063 75 75 75 62 84 81 68 48 41 36 58 52 5 0 0 0 0 5 0 5 5 0 0 0 24-HOUR VALID DAYS 61 61 61 61 61 61 61 61 61 61 61 61 DAY MAX >STD 0 0 0 0 0 0 0 0 0 0 0 0 2938 60 60 53 60 56 61 60 59 46 61 60 %OBS 38 97 97 87 98 90 93 90 95 74 100 98 1ST MAX 2ND MAX 3RD MAX 62 75 73 59 57 66 67 34 38 34 57 51 57 73 69 57 55 58 45 33 37 31 53 50 54 71 64 56 54 42 37 32 36 30 51 49 EST

DAYS >STD 0 0 0 0 0 0 0 0 0 0 0 0 21.1* 40.2 40.1 33.9 31.8 26.0 25.0 20.2 20.9 19.5* 29.0 30.2 WTD ARITH MEAN 23 59 59 53 60 55 57 55 58 45 61 60 NUM REQDec. 18, 2012

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



### Page 21 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-071-4003 06-071-4003 06-071-9004 06-071-9004 06-071-9004 06-071-9004 06-071-9004 06-071-9004 1

1 2 2 2 2 3 30972 0972 0972 0972 0972 0972 0972 0972Redlands Redlands San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino

San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino San Bernardino 92373 500 N. DEARBORN, REDLANDS, CA. 92373 500 N. DEARBORN, REDLANDS, CA. 92373 24302 4TH ST., SAN BERNARDINO, CA. 24302 4TH ST., SAN BERNARDINO, CA. 24302 4TH ST., SAN BERNARDINO, CA. 24302 4TH ST., SAN BERNARDINO, CA. 24302 4TH ST., SAN BERNARDINO, CA. 24302 4TH ST., SAN BERNARDINO, CA. 2010

2011 2008 2009 2010 2011 2008 2009 063

063 063 063 063 063 079 079 57 71 76 66 63 56 143 88 0 0 0 0 0 0 0 0 24-HOUR VALID DAYS 61 61 61 61 61 61 366 365 DAY MAX >STD 0 0 0 0 0 0 0 0 58 58 60 52 59 58 7940 8671 %OBS 95 95 98 85 97 95 90 99 1ST MAX 2ND MAX 3RD MAX 47 52 71 63 53 56 76 64 45 46 70 56 52 51 69 63 45 42 70 56 48 50 68 61 EST

DAYS >STD 0 0 0 0 0 0 0 0 25.8 24.9 42.7 41.5* 32.4 31.5 36.2 31.6 WTD ARITH MEAN 58 58 60 52 59 58 329 361 NUM REQDec. 18, 2012

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



### Page 22 of 24 PM10 Total 0-10um STP (81102) California Micrograms/cubic meter (25 C) (001)
SITE ID P

O C PQAOCITY COUNTY ADDRESS YEAR METH #OBS 4TH MAX CERT EDT 06-071-9004 06-071-9004 06-071-9004 3

3 30972 0972 0972 San Bernardino San Bernardino San Bernardino San Bernardino

San Bernardino San Bernardino 24302 4TH ST., SAN BERNARDINO, CA. 24302 4TH ST., SAN BERNARDINO, CA. 24302 4TH ST., SAN BERNARDINO, CA. 2010

2011 2012 079

079 079 59 127 58 0 5 0 24-HOUR VALID DAYS 365 365 366 DAY MAX >STD 0 0 0 8695 8710 4332 %OBS 99 99 49 1ST MAX 2ND MAX 3RD MAX 54 99 57 54 74 56 51 63 55 EST

DAYS >STD 0 0 0 28.3 30.1 29.1* WTD ARITH MEAN 363 363 180 NUM REQDec. 18, 2012

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



### Page 23 of 24 ALL 81102 81102 81102 81102 81102 ERR

000 063 076 079 122 ERROR IN OBTAINING METHOD CODE

MULTIPLE METHODS HI-VOL SA/GMW-1200 INSTRMENTL-ANDRSEN-SA246B-INLT INSTRUMENTAL-R&P SA246B-INLET INSTRUMENT MET ONE 4 MODELS ERROR IN OBTAINING METHOD CODE MULTIPLE METHODS GRAVIMETRIC BETA-ATTENUATION TEOM-GRAVIMETRIC BETA ATTENUATION PARAMETER METHOD

CODE COLLECTION METHOD ANALYSIS METHOD METHODS USED IN THIS REPORTDec. 18, 2012

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



### Page 24 of 24 PQAOS USED IN THIS REPORT PQAO AGENCY DESCRIPTION 0145 0972 595 California Air Resources Board South Coast Air Quality Management District Torres-Martinez Cahuilla Indians, California