DAQ-2024-008178

195 North 1950 West • Salt Lake City, Utah
Mailing Address: P.O. Box 144820 • Salt Lake City, Utah 84114-4820
Telephone [phone] • Fax [phone] • T.D.D. [phone]
www.deq.utah.gov
Printed on 100% recycled paper
State of Utah

Department of
Environmental Quality

Kimberly D. Shelley
Executive Director

DIVISION OF AIR QUALITY
Bryce C. Bird
Director

Air Quality Board
Cassady Kristensen, Chair
Kim Frost, Vice-Chair
Michelle Bujdoso
Kevin R. Cromar
Randal S. Martin
Sonja Norton
John Rasband
Kimberly D. Shelley
Jeff Silvestrini
Bryce C. Bird,
Executive Secretary

SPENCER J. COX
Governor

DEIDRE HENDERSON
Lieutenant Governor
DAQ-047-24

UTAH AIR QUALITY BOARD MEETING
TENTATIVE AGENDA

Wednesday, June 5, 2024 - 11:00 a.m.
195 North 1950 West, Room 1015
Salt Lake City, Utah 84116

Board members may be participating electronically. Interested persons can participate telephonically by
dialing 1-475-299-8810 using access code: 449-801-632#, or via the Internet at meeting link:
meet.google.com/dpm-oqgm-nzk

I. Call-to-Order

II. Date of the Next Air Quality Board Meeting: July 9, 2024

III. Approval of the Minutes for the May 1, 2024, Board Meeting.

IV. Informational Items.
A. Northern Wasatch Front Ozone Attainment Planning. Presented by Ryan Bares.
B. Air Toxics. Presented by Leonard Wright.
C. Compliance. Presented by Harold Burge, Rik Ombach, and Chad Gilgen.
D. Monitoring. Presented by Bart Cubrich.
E. Other Items to be Brought Before the Board.
F. Board Meeting Follow-up Items.

V. Adjourn Meeting

Lunch provided for Board members followed by a site visit to a refinery tank farm and potentially
one other source site visit.

In compliance with the Americans with Disabilities Act, individuals with special needs (including auxiliary communicative aids
and services) should contact LeAnn Johnson, Office of Human Resources at [phone], TDD [phone] or by email
at [e-mail].

ITEM 4
Air Toxics

195 North 1950 West • Salt Lake City, Utah
Mailing Address: P.O. Box 144820 • Salt Lake City, Utah 84114-4820
Telephone [phone] • Fax [phone] • T.D.D [phone]
www.deq.utah.gov
Printed on 100% recycled paper
State of Utah

SPENCER J. COX
Governor

DEIDRE HENDERSON
Lieutenant Governor
Department of
Environmental Quality

Kimberly D. Shelley
Executive Director

DIVISION OF AIR QUALITY
Bryce C. Bird
Director

DAQA-281-24

M E M O R A N D U M

TO: Air Quality Board

FROM: Bryce C. Bird, Executive Secretary

DATE: May 2, 2024

SUBJECT: Air Toxics, Lead-Based Paint, and Asbestos (ATLAS) Section Compliance Activities –
April 2024
______________________________________________________________________________________

Asbestos Demolition/Renovation NESHAP Inspections 18
Asbestos AHERA Inspections 17
Asbestos State Rules Only Inspections 4
Asbestos Notification Forms Accepted 187
Asbestos Telephone Calls 345
Asbestos Individuals Certifications Approved 151
Asbestos Company Certifications 12
Asbestos Alternate Work Practices Approved 1
Lead-Based Paint (LBP) Inspections 2
LBP Notification Forms Approved 0
LBP Telephone Calls 37
LBP Letters Prepared and Mailed 0
LBP Courses Reviewed/Approved 0
LBP Course Audits 0
LBP Individual Certifications Approved 41
LBP Firm Certifications 14
DAQA-281-24
Page 2

Notices of Violation Sent 0
Compliance Advisories Sent 9
Warning Letters Sent 6
Settlement Agreements Finalized 1
Penalties Agreed to:
Seagull Environmental Management Company Inc./James Stump $3,375.00

Compliance

195 North 1950 West • Salt Lake City, UT
Mailing Address: P.O. Box 144820 • Salt Lake City, UT 84114-4820
Telephone [phone] • Fax [phone] • T.D.D. [phone]
www.deq.utah.gov
Printed on 100% recycled paper
State of Utah

Department of
Environmental Quality

Kimberly D. Shelley
Executive Director

DIVISION OF AIR QUALITY
Bryce C. Bird
Director

SPENCER J. COX
Governor

DEIDRE HENDERSON
Lieutenant Governor
DAQC-428-24

M E M O R A N D U M

TO: Air Quality Board

FROM: Bryce C. Bird, Executive Secretary

DATE: May 3, 2024

SUBJECT: Compliance Activities – April 2024
_____________________________________________________________________________________

ACTIVITIES:
Activity Monthly Total 36-Month Average
Inspections 68 60
On-Site Stack Test & CEM Audits 9 5
Stack Test & RATA Report Reviews 45 35
Emission Report Reviews 28 17
Temporary Relocation Request Reviews 5 6
Fugitive Dust Control Plan Reviews 142 127
Soil Remediation Report Reviews 2 2
Open Burn Permits Issued 3,116 438
Miscellaneous Inspections1 6 17
Complaints Received 27 16
Wood Burning Complaints Received 0 3
Breakdown Reports Received 2 1
Compliance Actions Resulting from a Breakdown 0 0
VOC Inspections (Gas station vapor recovery) 0 0
Warning Letters Issued 0 2
Notices of Violation Issued 0 0
Compliance Advisories Issued 2 5
No Further Action Letters Issued 0 2
Settlement Agreements Reached 0 2
Penalties Assessed 0 $120,812.85
1Miscellaneous inspections include, e.g., surveillance, complaint, on-site training, dust patrol, smoke patrol, open
burning, etc.

DAQC-428-24
Page 2

SETTLEMENT AGREEMENTS:
Party Amount

UNRESOLVED NOTICES OF VIOLATION:
Party Date Issued
Citation Oil and Gas (in administrative litigation) 01/15/2020
Ovintiv Production Inc. 07/14/2020
Uinta Wax Operating (formerly CH4 Finley) 07/24/2020
Finley Resources 09/15/2022
Holcim 12/19/2023
Holcim 03/01/2024
Holcim 03/27/2024

Air Monitoring
Utah Division of Air Quality
0
10
20
30
40
50
60
70
80
90
100
12345678910111213141516171819202122232425262728293031
PM
2.
5
(µ
g
/
m
3)
Days
Utah 24-Hr PM2.5 Data February 2024
Bountiful Copperview Erda Harrisville
Hawthorne Lindon Near Road Roosevelt
Rose Park Smithfield Spanish Fork Environmental Quality
Vernal 24-hr Exceedence Value is 35 µg/m3
Exceedence Value is 35 µg/m3
*Environmental Quality (EQ) previously named Technical Support Center (TSC)
*
BV CV ED HV HW LN NR RS RP SM SF EQ V4
Arith Mean 3523445446443
Max 24-hr Avg 71056891111919888
98th percentile 610468899816777
Days of Data 29 29 29 29 29 29 29 29 29 29 29 29 29
Days >35 µg/m30000000000000
Utah Division of Air Quality
0
10
20
30
40
50
60
70
80
90
100
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
PM
2.
5
(µ
g
/
m
3)
Days
Utah 24-Hr PM2.5 Data March 2024
Bountiful Copperview Erda
Harrisville Hawthorne Lindon
Near Road Roosevelt Rose Park
Smithfield Spanish Fork Environmental Quality
Vernal 24-hr Exceedence Value is 35 µg/m3
Exceedence Value is 35 µg/m3
*EnvironmentalQuality (EQ) previously named Technical Support Center (TSC)
*
BV CV ED HV HW LN NR RS RP SM SF EQ V4
Arith Mean 4632536353453
Max 24-hr Avg 21 47 11 13 29 7 33 6 30 10 7 25 5
98th percentile 16 29 10 11 19 6 22 6 22 9 7 19 5
Days of Data 31 31 31 31 31 20 31 31 31 31 31 31 31
Days >35 µg/m30100000000000
Utah Division of Air Quality
0
10
20
30
40
50
60
70
80
90
100
12345678910111213141516171819202122232425262728293031
PM
2.
5
(µ
g
/
m
3)
Days
Utah 24-Hr PM2.5 Data April 2024
Bountiful Copperview Erda
Harrisville Hawthorne Lindon
Near Road Roosevelt Rose Park
Smithfield Spanish Fork Environmental Quality
Vernal 24-hr Exceedence Value is 35 µg/m3
Exceedence Value is 35 µg/m3
*Environmental Quality (EQ) previously named Technical Support Center (TSC)
*
BV CV ED HV HW LN NR RS RP SM SF EQ V4
Arith Mean 4633546456354
Max 24-hr Avg 7107 7 9 810710197115
98th percentile 71077889710176105
Days of Data 11 11 11 11 11 11 11 11 11 11 11 11 11
Days >35 µg/m30000000000000
Utah Division of Air Quality
0
50
100
150
200
250
300
350
400
12345678910111213141516171819202122232425262728293031
PM
10
(µ
g
/
m
3)
Days
Utah 24-hr PM10 Data February 2024
Harrisville Hawthorne Herriman #3 Lindon Roosevelt Environmental Quality 24-hr Exceedance Value is 150 ug/m3
Exceedance Value is 150 ug/m3
*
*Environmental Quality (EQ) previously named Technical Support Center (TSC)
HV HW H3 LN RS EQ
Arith Mean 610615715
Max 24-hr Avg 25 26 22 39 21 57
Days of Data 29 29 29 29 28 29
Days >150 µg/m 3 000000
Utah Division of Air Quality
0
50
100
150
200
250
300
350
400
12345678910111213141516171819202122232425262728293031
PM
10
(µ
g
/
m
3)
Days
Utah 24-hr PM10 Data March 2024
Harrisville Hawthorne Herriman #3 Lindon Roosevelt Environmental Quality 24-hr Exceedance Value is 150 ug/m3
Exceedance Value is 150 ug/m3
*
*Environmental Quality (EQ) previously named Technical Support Center (TSC)
HV HW H3 LN RS EQ
Arith Mean 14 12 10 19 6 19
Max 24-hr Avg 143 89 26 113 20 165
Days of Data 31 29 28 30 31 29
Days >150 µg/m 3 000001
Utah Division of Air Quality
0
50
100
150
200
250
300
350
400
1 2 3 4 5 6 7 8 9 10111213141516171819202122232425262728293031
PM
10
(µ
g
/
m
3)
Days
Utah 24-hr PM10 Data April 2024
Harrisville Hawthorne Herriman #3 Lindon Roosevelt Environmental Quality 24-hr Exceedance Value is 150 ug/m3
Exceedance Value is 150 ug/m3
*
*Environmental Quality (EQ) previously named Technical Support Center (TSC)
HV HW H3 LN RS EQ
Arith Mean 8 1314192619
Max 24-hr Avg 21 25 27 28 86 45
Days of Data 11 11 11 10 9 11
Days >150 µg/m 3 000000
15.2
8.3
6.1
8.8
9.0
11.1
5.9
6.8
3.7 3.1
4.7
9.2
10.3
10.7
9.6
7.5
9.7
9.9
14.8
10.8
8.3
9.6
11.0
14.7
17.2
14.8
1.3
12.1
15.7
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.11
0.12
12345678910111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

H
a
w
t
h
o
r
n
e

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature February 2024
Bountiful Copperview Erda Herriman #3 Harrisville Hawthorne Near Road Rose Park Environmental Quality Exceed.TM
*
*Environmental Quality (EQ) previously named Technical Support Center (TSC)
** Controlling Monitor
**
BV CV ED H3 HV HW NR RP EQ
Arith Mean .036 .038 .040 .040 .038 .036 .033 .036 .028
8 -hr. Ozone 4th Max .042 .043 .044 .044 .043 .042 .039 .042 .032
Days of Data 29 29 29 29 29 29 29 29 29
Days > 0.070 0 000 0 0000
8.9
7.9
7.3
5.9 4.5
6.6
5.4
5.8
4.4
1.1
1.8
2.3
6.3
8.5
8.3
8.3
2.3
2.5
7.2
3.8
7.7 9.6 8.9
10.5
14.7
13.7
5.1 5.7
10.5
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
0
0.02
0.04
0.06
0.08
0.1
0.12
12345678910111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

R
o
o
s
e
v
e
l
t

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature February 2024
Price #2 Roosevelt Vernal #4 Exceed.TM
P2 RS V4
Arith Mean .037 .038 .033
8 -hr. Ozone 4th Max .043 .044 .039
Days of Data 29 29 29
Days > 0.070 000
3.5
4.9
4.1 5.13.2
7.0
2.6
2.9
-0.1 0.4 0.2
3.9
5.7
6.8
4.8
3.6
1.8
2.1
2.4
5.2
2.3
3.8
2.2
6.5
11.2 9.3
-0.1
4.9
10.3
-15.0
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.11
0.12
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

S
m
i
t
h
f
i
e
l
d

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature February 2024
Smithfield Exceed.TM
SM
Arith Mean .038
8 -hr. Ozone 4th Max .043
Days of Data 29
Days > 0.070 0
14.3
6.7
5.9
7.1
7.2
10.3
5.7
7.3
4.0
2.9
3.9
6.4
12.0 10.5
7.8
7.1
6.8
9.2
13.2
8.7 7.7 7.9
9.6
12.8
15.5
13.3
1.2
9.0
14.5
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
12345678910111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

L
i
n
d
o
n
)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature February 2024
Lindon Spanish Fork Exceed.TM
LN SF
Arith Mean .039 .038
8 -hr. Ozone 4th Max .042 .042
Days of Data 29 29
Days > 0.070 00
7.6
10.4
10.0
16.313.6
6.9
6.6
6.7 6.3 9.2
12.1
14.8
13.8
14.5 15.6
14.4
17.6
18.3
13.712.2
14.6 17.0 18.2
18.4
17.0
16.1
16.6
17.1
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

H
u
r
r
i
c
a
n
e

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature February 2024
Enoch Hurricane Moab Exceed.TM
EN HC M7
Arith Mean .040 .039 .041
8 -hr. Ozone 4th Max .045 .043 .044
Days of Data 28 29 29
Days > 0.070 000
15.2
8.3
6.1
8.8
9.0
11.1
5.9
6.8
3.7
3.1 4.7
9.2 10.3
10.7
9.6
7.5
9.7
9.9
14.8
10.8 8.3
9.6 11.0
14.7
17.2
14.8
1.3
12.1
15.7
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
12345678910111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

H
a
w
t
h
o
r
n
e

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature February 2024
Stations Monitoring the Inland Port Development
ZZ Lake Park Exceed.TM
*ZZ islocated at the New Utah State Prison (1480 North 8000 West, SLC).
This site was previously named IP
*
ZZ LP
Arith Mean .037 .036
8 -hr. Ozone 4th Max .042 .041
Days of Data 29 29
Days > 0.070 00
16.8
12.0
2.8
3.8
10.0
11.7
5.4
4.5
12.5
15.8
14.2
9.2
4.9
9.7
10.6
14.6
17.0
17.618.6 19.7
16.9
18.3
15.6
4.8
9.3 8.7
11.5
11.612.6
10.8
10.2
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.11
0.12
1 2 3 4 5 6 7 8 9 10111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

H
a
w
t
h
o
r
n
e

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature March 2024
Bountiful Copperview Erda Herriman #3 Harrisville Hawthorne Near Road Rose Park Environmental Quality Exceed.TM
*
*EnvironmentalQuality (EQ) previously named Technical Support Center (TSC)
** Controlling Monitor
**
BV CV ED H3 HV HW NR RP EQ
Arith Mean .044 .045 .045 .041 .043 .042 .039 .043 .031
8 -hr. Ozone 4th Max .048 .049 .048 .045 .047 .047 .043 .047 .034
Days of Data 31 31 31 31 31 31 31 31 31
Days > 0.070 000000000
14.3
10.5
2.1
3.2
6.4
11.5
9.1 7.19.0
13.3
13.4
11.4
5.4
6.9 8.7
12.0 12.7
15.0
17.9
18.1 16.8
16.7
14.2
7.1 6.3 7.1
10.3
12.0
7.2
10.3 9.1
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
0
0.02
0.04
0.06
0.08
0.1
0.12
12345678910111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

R
o
o
s
e
v
e
l
t

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature March 2024
Price #2 Roosevelt Vernal #4 Exceed.TM
P2 RS V4
Arith Mean .043 .044 .041
8 -hr. Ozone 4th Max .048 .048 .048
Days of Data 31 31 31
Days > 0.070 000
11.3
9.6
0.5
0.0
3.4
7.0
3.3
2.5
6.4
12.7
11.4
5.4
3.3
8.7
12.3
12.9 14.5
17.0
16.7
17.7
14.5
16.5
14.3
6.9 7.1
4.4
8.8
6.5
9.3 9.6
6.3
-15.0
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.11
0.12
12345678910111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

S
m
i
t
h
f
i
e
l
d

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature March 2024
Smithfield Exceed.TM
SM
Arith Mean .042
8 -hr. Ozone 4th Max .045
Days of Data 31
Days > 0.070 0
15.5
10.3
0.6
4.3
9.0
11.8
7.6 4.9
11.0
14.9 13.3
8.4
4.5
8.3
12.5
15.1 16.2
17.1
17.8 18.8
16.7
18.9
13.6
6.8 7.7 6.5
10.4 10.3
11.2 11.3
8.9
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

L
i
n
d
o
n
)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature March 2024
Lindon Spanish Fork Exceed.TM
LN SF
Arith Mean .045 .043
8 -hr. Ozone 4th Max .048 .046
Days of Data 31 31
Days > 0.070 00
15.2
13.3
14.2
15.5
16.6
14.6
11.4
16.6
18.8
18.3
13.811.6 11.2
10.4
13.0
15.7
19.5
20.2
21.6
22.5 21.1
19.5
11.8
13.6 14.4 16.4
20.2 18.8
16.2
11.2
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

H
u
r
r
i
c
a
n
e

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature March 2024
Enoch Hurricane Moab Exceed.TM
EN HC M7
Arith Mean .044 .045 .044
8 -hr. Ozone 4th Max .048 .049 .050
Days of Data 31 31 31
Days > 0.070 000
16.8
12.0
2.8 3.8
10.0
11.7
5.4 4.5
12.5 15.8
14.2
9.2
4.9
9.7 10.6
14.6
17.0
17.6 18.6
19.7 16.9
18.3
15.6
4.8
9.3
8.7
11.5 11.6 12.6 10.8 10.2
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
12345678910111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

H
a
w
t
h
o
r
n
e
)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature March 2024
Stations Monitoring the Inland Port Development
ZZ Lake Park Exceed.TM
*ZZ is located at the New Utah State Prison (1480 North 8000 West, SLC).
This site was previously named IP
*
ZZ LP
Arith Mean .043 .042
8 -hr. Ozone 4th Max .046 .045
Days of Data 31 31
Days > 0.070 00
9.6
15.5
20.8
22.0
16.2
5.3 9.2
10.3
13.7
16.7
23.3
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.11
0.12
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

H
a
w
t
h
o
r
n
e

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature April 2024
Bountiful Copperview Erda Herriman #3 Harrisville Hawthorne Near Road Rose Park Environmental Quality Exceed.TM
*
*EnvironmentalQuality (EQ) previously named Technical Support Center (TSC)
** Controlling Monitor
**
BV CV ED H3 HV HW NR RP EQ
Arith Mean .047 .048 .048 .042 .046 .046 .044 .047 .033
8 -hr. Ozone 4th Max .051 .049 .050 .042 .049 .048 .045 .049 .034
Days of Data 11 11 11 11 11 11 11 11 11
Days > 0.070 0 000 0 0000
11.2
15.2
18.9
20.3
16.8
7.4
8.2
10.8
14.9
18.4
19.3
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
0
0.02
0.04
0.06
0.08
0.1
0.12
12345678910111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

R
o
o
s
e
v
e
l
t

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature April 2024
Price #2 Roosevelt Vernal #4 Exceed.TM
P2 RS V4
Arith Mean .054 .051 .048
8 -hr. Ozone 4th Max .055 .051 .050
Days of Data 11 11 11
Days > 0.070 000
8.9
13.5
17.4 18.6
13.9
4.3
4.4
8.9
11.3
14.8
18.2
-15.0
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.11
0.12
1 2 3 4 5 6 7 8 9 10111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

S
m
i
t
h
f
i
e
l
d

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature April 2024
Smithfield Exceed.TM
SM
Arith Mean .042
8 -hr. Ozone 4th Max .043
Days of Data 11
Days > 0.070 0
8.4
14.6
19.7
22.4
14.8
4.6
8.3
10.4
12.4
16.3
21.4
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
12345678910111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

L
i
n
d
o
n
)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature April 2024
Lindon Spanish Fork Exceed.TM
LN SF
Arith Mean .048 .047
8 -hr. Ozone 4th Max .049 .048
Days of Data 11 11
Days > 0.070 00
19.7
22.0
23.0
14.812.3
15.5 16.0
20.1
23.6 26.9
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
12345678910111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

H
u
r
r
i
c
a
n
e

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature April 2024
Enoch Hurricane Moab Exceed.TM
EN HC M7
Arith Mean .047 .047 .051
8 -hr. Ozone 4th Max .047 .049 .052
Days of Data 11 9 11
Days > 0.070 000
9.6
15.5
20.8
22.0
16.2
5.3
9.2
10.3
13.7 16.7
23.3
-10.0
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
12345678910111213141516171819202122232425262728293031
Da
i
l
y

M
a
x
i
m
u
m

T
e
m
p
e
r
a
t
u
r
e

(
0C)

(

H
a
w
t
h
o
r
n
e

)
Oz
o
n
e

(
p
p
m
)
Days
Highest 8-hr Ozone Concentration & Daily Maximum Temperature April 2024
Stations Monitoring the Inland Port Development
ZZ Lake Park Exceed.TM
*ZZ islocated at the New Utah State Prison (1480 North 8000 West, SLC).
This site was previously named IP
*
ZZ LP
Arith Mean .046 .045
8 -hr. Ozone 4th Max .047 .046
Days of Data 11 11
Days > 0.070 00