APPENDIX
4
Three­
Year
Average
of
the
Annual
Fourth
Highest
8­
Hour
Ozone
Concentration
in
Parts
per
Billion
Three­
Year
Average
of
the
Annual
Fourth
Highest
8­
Hour
Ozone
Concentration
in
Parts
per
Billion*

Monitor
Site
Abbreviation
1995­
1997
1996­
1998
1997­
1999
1998­
2000
1999­
2001
2000­
2002
Apache
County
No
Sites
Cochise
County
Chiricahua
National
Monument
CNM
68
68
68
70
69
69
Coconino
County
Grand
Canyon
National
Park
 
Hance
Camp
GCNP
71
72
73
73
72
73
Navajo
Generating
Station
NGS
Gila
County
Rye
­
closed
11/
99
RY
67
Tonto
N.
M.
­
new
5/
02
TONO
Graham
County
No
Sites
Greenlee
County
No
Sites
La
Paz
County
No
Sites
Maricopa
County
Blue
Point
BP
86
87
84
84
Cave
Creek
­
new
8/
01
CC
Central
Phoenix
CP
79
77
78
77
76
75
Emergency
Management
­
closed
6/
01
EM
84
79
73
Falcon
Field
FF
82
80
79
80
Fountain
Hills
FH
86
85
84
84
Glendale
GL
76
72
75
77
80
80
Humboldt
Mountain
HM
85
86
84
85
Lake
Pleasant
­
closed
6/
01
LP
81
78
Maryvale
MA
80
81
76
79
Mesa
ME
88
84
82
79
77
73
Mt.
Ord
MO
86
88
84
North
Phoenix
NP
92
91
88
86
85
85
Palo
Verde
PAVE
76
79
80
78
77
Pinnacle
Peak
PP
88
86
83
85
84
85
Rio
Verde
RV
83
83
85
84
Roosevelt
 
closed
1997
RO
Salt
River
Pima
­
closed
10/
99
SRPI
88
87
83
South
Phoenix
SP
83
82
76
74
80
South
Scottsdale
SS
84
80
75
76
77
78
Super
Site
PXSS
81
68
67
67
77
Surprise
­
new
4/
01
SU
Tempe
TE
79
Three­
Year
Average
of
the
Annual
Fourth
Highest
8­
Hour
Ozone
Concentration
in
Parts
per
Billion*

Monitor
Site
Abbreviation
1995­
1997
1996­
1998
1997­
1999
1998­
2000
1999­
2001
2000­
2002
Maricopa
County
(
continued)

Vehicle
Emissions
 
closed
1997
VE
West
Chandler
WC
73
72
79
West
Phoenix
WP
81
81
85
86
82
80
Mohave
County
No
Sites
Navajo
County
Petrified
Forest
National
Park
­
new
10/
02
PFNP
Pima
County
Saguaro
National
Park
East
SNPE
79
77
74
73
69
72
Tucson
Children's
Park
­
new
8/
97
TCP
69
73
72
73
Tucson
Craycroft
CRAY
78
75
73
73
71
73
Tucson
Downtown
TD
68
65
63
64
65
68
Tucson
Fairgrounds
TF
70
68
68
71
69
70
Tucson
Pomona
­
closed
9/
96
TP
Tucson
Sabino
Canyon
­
closed
7/
96
TSC
Tucson
Tangerine
TT
71
70
71
72
71
71
Pinal
County
Apache
Junction
AJ
86
83
81
81
80
80
Casa
Grande
CG
74
73
72
77
79
79
Combs
­
new
7/
02
CB
Maricopa
 
new
7/
02
MCPA
Pinal
Air
Park
­
new
7/
02
PA
Queen
Valley
­
new
5/
01
QUAZ
Santa
Cruz
County
No
Sites
Yavapai
County
Hillside
­
new
4/
96
HISD
81
81
83
81
82
Yuma
County
Yuma
2nd
Ave.
­
closed
7/
96
Y2
Yuma
Western
College
 
closed
2002
YWC
82
76
69
*
Values
in
red
indicate
a
violation
of
the
8­
hour
ozone
standard
Sources:
Arizona
Department
of
Environmental
Quality,
Maricopa
County
Environmental
Services
Department,
U.
S.
National
Park
Service,
Pima
County
Department
of
Environmental
Quality,
Pinal
County
Air
Quality
Control
District
