OCTOBER 1977 EPA-908/4-77-011
AMBIENT AIR QUALITY
MONITORING NETWORK
EPA REGION VIII
ENERGY AREAS
Environmental Protection Agency
Rocky Mountain - Prairie Region
Region VHI
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AMBIENT AIR QUALITY MONITORING NETWORK
EPA Region VIII Energy Areas
Compiled by
Office of Energy Activities
and
Surveillance and Analysis Division
October 1977
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DISCLAIMER
This report has been reviewed by the Office of Energy Activities and
the Surveillance and Analysis Division of Region VIII U. S. Environmental
Protection Agency, and approved for publication. Mention of trade names or
commercial products does not constitute endorsement or recommendation for
use.
Document is available to the public through the National Technical
Information Service, Springfield, Virginia 22151.
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FOREWARD
EPA Region VIII initiated an ambient air quality monitoring network
in 1974 to gather baseline data in rural areas of North Dakota, South
Dakota, Wyoming and Montana expected to be impacted by energy resource
development. The network was expanded in 1975 to cover energy areas in
Utah and Colorado, as well as to increase the coverage in the Northern
Great Plains. A previous report issued in November 1975 summarized the
first year of data collection; this report summarizes the 1976 data in
addition to making comparisons between the 1975 and 1976 data. The
respective state air pollution control agencies are the responsible
parties for the operation and maintenance of the monitoring network,
data analyses and reporting. If you have questions regarding information
included in this report, please contact Mr. George Boulter (303/837-5914)
or Mr. Barry Levene (303/837-2226). Also, if you have suggestions for
changes, additions or deletions, please provide your comments to us.
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TABLE OP CONTENTS
LIST OF FIGURES iv
LIST OF TABLES vll
1.0 INTRODUCTION 1
2 . 0 SPECIFIC AIR QUALITY MONITORING SITE SUMMARY DATA
2.1 Colorado H
2.1.1 Rifle, Colorado 12
2.1.2 Grand Valley, Colorado 13
2.1.3 Grand Junction, Colorado 14
2.1.4 Fruit a, Colorado 15
2.1.5 Palisade, Colorado 16
2.1.6 Craig, Colorado 17
2.1.7 Meeker, Colorado 18
2.1.8 Rangely, Colorado 19
2.1.9 Black Sulfur Creek, Colorado 20
2.2 Montana 21
2.2.1 Ekalaka, Montana (Quietus T78) 22
2.2.2 Glendive, Montana 23
2.2.3 Lindsay, Montana 24
2.2.4 Fort Peck, Montana 26
2.2.5 Broadus, Montana 29
2.2.6 Wolf Point (Poplar), Montana 30
2.2.7 Lame Deer, Montana 33
2.2.8 Decker, Montana 36
2.2.9 Miles City, Montana (Otter Creek '78) 37
2.2.10 Hardin, Montana 38
2.2.11 Scobey -3, Montana 39
2.2.12 Colstrip, Montana BN 42
2.2.13 Colstrip, Montana McCrea 47
2.2.14 Scobey -1, Montana (Reserved)
2.2.15 Scobey -2, Montana (Reserved)
2.2.16 Red Lodge, Montana (Reserved)
2.3 North Dakota 53
2.3.1 Medora, North Dakota 54
2.3.2 Bowman, North Dakota 55
2.3.3 Mott, North Dakota 56
2.3.4 Garrison, North Dakota 59
2.3.5 Washburn, North Dakota 6l
2.3.6 Par shall, North Dakota 64
2.3.7 McClusky, North Dakota 65
2.3.8 Stanton, North Dakota 67
ii
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TABLE OF COMjT'NTS (Continued)
Page
2.4 South Dakota 73
2.4.1 Buffalo, South Dakota 74
2.4.2 Belle Fourche, South Dakota (Newell, 78
'78)
2.4.3 Lemmon, South Dakota 8l
2.5 Utah 82
2.5.1 Castle Dale, Utah 84
2.5.2 Huntington, Utah 86
2.5.3 Price, Utah 88
2.5.4 Cedar City, Utah 90
2.5.5 Bullfrog Basin, Utah 92
2.5.6 Wahweap Marina, Utah 94
2.5.7 Hurricane, Utah 96
2.5.8 Vernal, Utah (reserved)
2.5-9 Green River, Utah (temporary) (reserved)
2.5.10 Nephi, Utah (reserved)
2.6 Wyoming 99
2.6.1 Buffalo, Wyoming 101
2.6.2 Gillette, Wyoming 102
2.6.3 Lusk, Wyoming 107
2.6.4 Newcastle, Wyoming 111
2.6.5 Rock Springs, Wyoming 114
2.6.6 Afton, Wyoming 115
2.6.7 Irene Ranch, Wyoming 116
2.6.8 Burks Ranch, Wyoming 117
2.6.9 Gordon Ranch, Wyoming 118
2.6.10 Bill, Wyoming 119
2.6.11 Kemmerer, Wyoming 122
2.6.12 Wheatland, Wyoming 124
2.6.13 Converse County, Wyoming (Douglas) 127
2.6.14 Sweetwater County, Wyoming (Patrick, Draw) 130
3.0 COMPARISONS OF PEDCO AND STATE DATA FOR THE NGPRP SITES - 133
CAIENDAR YEAR '75 - '76 DATA COMPARISONS
iii
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LIST OP FIGURES
Figure
1.1 Locations of Air Quality Monitoring Equipment in Energy Areas
in Region VIII in FY 77
1.2 Locations of Air Quality Monitoring Equipment in Energy Areas
in Region VIII in FY '78
2.1.1 Summary of TSP Data at Rifle, Colorado
2.1.2 Summary of TSP Data at Grand Valley, Colorado
2.1.3 Summary of TSP Data at Grand Junction, Colorado
2.1.4 Summary of TSP Data at Fruita, Colorado
2.1.5 Summary of TSP Data at Palisade, Colorado
2.1.6 Summary of TSP Data at Craig, Colorado
2.1.7 Summary of TSP Data at Meeker, Colorado
2.1.8 Summary of TSP Data at Rangely, Colorado
2.1.9 Summary of TSP Data at Black Sulfur Creek, Colorado
2.2.1 Summary of TSP Data at Ekalaka, Montana
2.2.2 Summary of TSP Data at Glendive, Montana
2.2.3.1 Summary of TSP Data at Lindsay, Montana (Dual Site)
2.2.3.2 Summary of TSP Data at Lindsay, Montana (Dual Site)
2.2.4.1 Summary of TSP Data at Fort Peck, Montana
2.2.4.2 Summary of S02 Bubbler Data at Fort Peck, Montana
2.2.4.3 Summary of NC^ Bubbler Data at Fort Peck, Montana
2.2.5 Summary of TSP Data at Broadus, Montana
2.2.6.1 Summary of TSP Data at Wolf Point, Montana (Poplar)
2.2.6.2 Summary of NOx Continuous Data at Wolf Point, Montana (Poplar)
2.2.7.1 Summary of TSP Data at Lame Deer, Montana
2.2.7.2 Summary of S02 Bubbler Data at Lame Deer, Montana
2.2.7.3 Summary of NOX Bubbler Data at Lame Deer, Montana
2.2.8 Summary of TSP Data at Decker, Montana
2.2.9 Summary of TSP Data at Miles City, Montana
2.2.10 Summary of TSP Data at Hardin, Montana
2.2.11.1 Summary of TSP Data at Scobey -3, Montana
2.2.11.2 Summary of S02 Bubbler Data at Scobey -3, Montana
2.2.11.3 Summary of NOx bubbler data at Scobey -3, Montana
2.2.12J Summary of TSP Data at Colstrip, Montana (BN)
2.2.12.2 Summary of S02 Bubbler Data at Colstrip, Montana (BN)
2.2.12.3 Summary of S02 Continuous Data at Colstrip, Montana (BN)
2.2.12.4 Summary of NOX Bubbler Data at Colstrip, Montana (BN)
2.2.12.5 Summary of NOx Continuous Data at Colstrip, Montana (BN)
2.2.13.1 Summary of TSP Data at Colstrip, Montana (Macrae)
2.2.13.2 Summary of S02 Bubbler Data at Colstrip, Montana (Macrae)
2.2.13.3 Summary of S02 Continuous Data at Colstrip, Montana (Macrae)
2.2.13.4 Summary of NOx Bubbler Data at Colstrip, Montana (Macrae)
2.2.13.5 Summary of NOx Continous Data at Colstrip, Montana (Macrae)
2,3.1 Summary of TSP Data at Medora, North Dakota
2.3.2 Summary of TSP Data at Bowman, North Dakota
2.3.3.1 Summary of TSP Data at Mott, North Dakota
2.3.3.2 Summary of S02 Bubbler Data at Mott, North Dakota
2.3.3.3 Summary of NOx Bubbler Data at Mott, North Dakota
2.3-4.1 Summary of TSP Data at Garrison, North Dakota
2.3.4.2 Summary of Membrane Data at Garrison, North Dakota
iv
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LIST OF FIGURES (Continued)
2.3.5.1 Summary of TSP Data at Washburn, North Dakota
2.3.5-2 Summary of S02 Bubbler Data at Washburn, North Dakota
2.3.5.3 Summary of NOx Bubbler Data at Washburn, North Dakota
2.3.6 Summary of TSP Data at Parshall, North Dakota
2.3.7.1 Summary of TSP Data at McClusky, North Dakota (Dual Site)
2.3.7.2 Summary of TSP Data at McClusky. North Dakota (Dual Site)
2.3.8.1 Summary of TSP Data at Stanton,"North Dakota
2.3.8.2 Summary of SC>2 Continuous Data at Stanton, North Dakota
2.3.8.3 Summary of S02 Bubbler Data at Stanton, North Dakota
2.3.8.4 Summary of NOx Bubbler Data at Stanton, North Dakota
2.3.8.5 Summary of NOx Continuous Data at Stanton, North Dakota
2.4.1.1 Summary of TSP Data at Buffalo, South Dakota (Dual Site)
2.4.1.2 Summary of TSP Data at Buffalo, South Dakota (Dual Site)
2.4.1.3 Summary of SOp Bubbler Data at Buffalo, South Dakota
2.4.1.4 Summary of NOx Bubbler Data at Buffalo, South Dakota
2.4.2.1 Summary of TSP Data at Belle Fourche, South Dakota
2.4.2.2 Summary of S02 Bubbler Data at Belle Fourche, South Dakota
2.4.2.3 Summary of NOx Bubbler Data at Belle Fourche, South Dakota
2.4.3 Summary of TSP Data at Lemmon, South Dakota
2.5.1.1 Summary of TSP Data at Castle Dale, Utah
2.5.1.2 Summary of S02 Continuous Data at Castle Dale, Utah
2.5.2.1 Summary of TSP Data at Huntington, Utah
2.5.2.2 Summary of S02 Continuous Data at Huntington, Utah
2.5-3.1 Summary of TSP Data at Price, Utah
2.5.3.2 Summary of S02 Continuous Data at Price, Utah
2.5.4.1 Summary of TSP Data at Cedar City, Utah
2.5.4.2 Summary of S02 Continuous Data at Cedar City, Utah
2.5.5.1 Summary of TSP Data at Bullfrog Basin, Utah
2.5.5.2 Summary of S02 Continuous Data at Bullfrog Basin, Utah
2.5.6.1 Summary of TSP Data at Wahweap Marina, Utah
2.5.6.2 Summary of S02 Continuous Data at Wahweap Marina, Utah
2.5.7.1 Summary of TSP Continuous Data at Hurricar.e, Utah
2.5.7.2 Summary of SO? Continuous Data at Hurricane, Utah
2.5.7.3 Summary of NOx Bubbler Data at Hurricane, Utah
2.6.1 Summary of TSP Data at Buffalo, Wyoming
2.6.2.1 Summary of TSP Data at Gillette, Wyoming
2.6.2.2 Summary of S02 Bubbler Data at Gillette, Wyoming
2.6.2.3 Summary of S02 Continuous Data at Gillette, Wyoming
2.6.2.4 Summary of NOx Continuous Data at Gillette, Wyoming
2.6.2.5 Summary of NOX Bubbler Data at Gillette, Wyoming
2.6.3.1 Summary of TSP Data at Lusk, Wyoming (Dual Site)
2.6.3.2 Summary of TSP Data at Lusk, Wyoming (Dual Site)
2.6.3.3 Summary of S02 Bubbler Data at Lusk, Wyoming
2.6.3.4 Summary of NOx Bubbler Data at Lusk, Wyoming
2.6.4.1 Summary of TSP Data at Newcastle, Wyoming
2.6.4.2 Summary of S02 Bubbler Data at Newcastle, Wyoming
2.6.4.3 Summary of NOx Bubbler Data at Newcastle, Wyoming
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LIST OF FIGURES (Continued)
Figure
2.6.5 Summary of TSP Data at Rock Springs, Wyoming
2.6.6 Summary of TSP Data at Rock Springs, Wyoming
2.6.7 Summary ot TSP Data at Irene Ranch, Wyoming
2.6.8 Summary of TSP Data at Burks Ranch, Wyoming
2.6.9 Summary of TSP Data at Gordon Ranch, Wyoming
2.6.10.1 Summary of SOg Bubbler Data at Bill, Wyoming
2.6.10.2 Summary of NOX Bubbler Data at Bill, Wyoming
2.6.11.1 Summary of TSP Data at Keinrnerer, Wyoming
2.6.11.2 Summary of SC>2 Bubbler Data at Kemmerer, Wyoming
2.6.11.3 Summary of N02 Bubbler Data at Kemmerer, Wyoming
2.6.12.1 Summary of TSP Data at Wheatland, Wyoming
2.6.12.2 Summary of S02 Bubbler Data at Wheatland, Wyoming
2.6.12.3 Summary of NOx Bubbler Data at Wheatland, Wyoming
2.6.13.1 Summary of TSP Data at Douglas, Wyoming
2.6.13.2 Summary of SC>2 Continuous Data at Douglas, Wyoming
2.6.13.3 Summary of NC>2 Continuous Data at Douglas, Wyoming
2.6.14.1 Summary of TSP Data at Patrick Draw, Wyoming
2.6.14.2 Summary of S02 Continuous Data at Patrick Draw, Wyoming
2.6.14.3 Summary of NC>2 Continuous Data at Patrick Draw, Wyoming
3.1 Map Showing Comparison of PEDCo '75 to State '76 Annual Geometric
3.2 Map Showing Comparison of PEDCo '75 to State '76 Maximum 24 hour
TSP Value
3.3 Map Showing Comparison of PEDCo '75 to State '76 Annual Arithmetic
Mean S02 Values
3.4 Map Showing Comparison of PEDCo '75 to State '76 Maximum 24 hour
SC>2 Values
3.5 Map Showing Comparison of PEDCo '75 to State '76 Annual Arithmetic
Mean NOX Values
3.6 Map Showing Comparison of PEDCo '75 to State '76 Maximum 24 hour
NOX Values
3.7 Map Showing Comparison of Calendar Year '75 to Calendar Year '76
Annual Geometric Mean TSP Values
3.8 Map Showing Comparison of Calendar Year '75 to Calendar Year '76
Maximum 24 hour TSP Values
3.9 Map Showing Comparison of Calendar Year '75 to Clanedar Year '76
Annual Arithmetic Mean S02 Values
3.10 Map Showing Comparison of Calendar Year '75 to Calendar Year '76
Maximum 24 hour SC^ Values
3.11 Map Showing Comparison of Calendar Year '75 to Calendar Year '76
Arithmetic Mean NOX Values
3.12 Map Showing Comparison of Calendar Year '75 to Calendar Year '76
24 Hour NOX Values
vi
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LIST OF TABLES
Table Page
1.1 Air Quality MonJtorlng Equipment in Energy Aroar, .In T'T '77 ^
1.2 Air Quality Monitoring Equipment in Energy Areas Jn FY '78 7
1.3 National Ambient Air Quality Standards (NAAQS) 9
1.4 Incremental Increases Allowed under Prevention of Significant 10
Deterioration (PSD) of Air Quality by the Clean Air Act (CAA)
Amendments of 1977.
2.2.6 Summary of Continuous Ozone Data from Wolf Point, Montana 32
2.2.12 Summary of Continuous Ozone Data from Colstrip (EN & 52
McCrea), Montana
2.3-8 Summary of Continuous Ozone Data from Stanton, North 72
Dakota
U!
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SECTION 1.0
INTRODUCTION
Large areas of Colorado, Montana, North Dakota, South Dakota, Utah and
Wyoming may be affected by air pollutants emitted by planned energy extrac-
tion and conversion facilities as well as associated growth. Coal mining, oil
shale mining and processing, coal qasification, and electric generation as well
as other emerging technologies will result in increased atmospheric pollutant
levels. In order to determine background pollutant concentration data, against
which to compare future air quality degradation, an ambient air monitoring net-
work of twenty-two stations was estbalished by PEDCo Environmental in September
1974, under contract to Region VIII, U.S. EPA. These stations were established
in the states of Montana, North Dakota, South Dakota, and Wyoming as part of
the Northern Great Plains Resource Program (NGPRP). In August 1975, after
PEDCo operated the network for twelve months, each state involved in the
NGPRP study took over the responsibility for it and has continued the work.
The Office of Energy Activities (OEA) of Region VIII has funded an additional
twenty-five sites in Montana, Wyoming, Colorado and Utah. For many of these
sites which have only recently become active, only a limited amount of data
is available for analysis.
All forty-seven sites as they appeared in FY '77 are located on the map
in Figure 1.1, Figure 1.2 locates the sites as they will appear in FY '78.
Table 1.1 summaries the equipment located at each site.
Section 2.0 presents summaries of ambient air quality data from
the two years of NGPRP data, summaries of ambient air quality data from
the twenty-five sites added to the energy sampling network, and twelve
sites which are operated by the individual states (but not funded by OEA)
and are located in possible energy impacted areas. These data are also
being gathered to determine pre-development background values as well as
trend information. As more data becomes available, more definitive
comparison with this base data can be made.
In Section 3.0 of this report, the data collected by PEDCo from
September 1974 to August 1975 is compared to the data each state collected
during a similar time period, third quarter 1975 to second quarter 1976.
In a separate set of figures data from calendar year 1975 is compared
with data from calendar year 1976 for those sites that the contractor
initially established. Since the states have assumed operation of the
sites two general conclusions can be drawn: (1) Annual TSP values were
higher in 1976 than in 1975; (2) A short-term S0? and NOX values were
higher in 1976 than in 1975. The data summarized from calendar years
1975 and 1976 agrees with the first conclusion but not the second. Not
enough data have been collected to determine long-term trends with any
degree of accuracy.
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In some cases summary statistics used in this report suffer from an
incomplete data base due to lengthy data gaps and data processing
problems. Analyses are based on data currently stored on the EPA data
bank.
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Fig. 1.2 -
Locations of Monitoring Sites in Region VIII Energy Areas which were funded by OEA in FY '77
(See Table 1.1 for Key)
I f -\ ^---^
/ rl I J ^ -
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Fig. 1.2 - Locations of Monitoring Sites in Region VIII Energy Areas which will be funded by OEA
in FY '78 (See Table 1.2 for Key).
/^-' S • 4-A/ \
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TABLE 1.1 - Air Quality Monitoring Equipment in Energy Areas (Funded by OEA] in FY '77
Location
Colorado
1C) Craig
2C) Meeker
3C) Rangeley
4C) Grand Junction
Montana
1M) Scobey-3
2M) Scobey-2
3M) Scobey-1
4M) Poplar
5M) Ft. Peck
6M) Lindsay
7M) Glendive
8M) Miles City
9M) Ekalaka
10M) Broadus
11M) Colstrip-BN
12M) Colstrip-McCrea
13M) Lame Deer
14M) Hardin
15M) Decker
North Dakota
IN) Parshall
2N) Garrison
3N) McClusky
4N) Washburn
5N) Stanton
6N) Medora
7N) Mott
8N) Bowman
South Dakota
IN) Lemmon
2N Buffalo
3N Belle Fourche
Hi-Vol
Membrane
S02-NOX
Bubbler
S02-NOX
Continuous
Ozone
Continuous
x
x
X
X
X
XX
X
X
X
X
X
X
X
X
X
X
X
XX
X
X
X
X
X
X
XX
X
x
x
x
x
x
x
x
x
x
x
x
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TABLE 1.2 - Air Quality Monitoring Equipment in Energy Areas (Funded by OEA) in FY '78
Location
Hi-Vol
Membrane
S0z-N0x
Bubbler
S02-NOX
Continuous
Ozone
Continuous
Colorado
1C)
2C)
3C)
4C)
Craig
Meeker
Rangely
Grand Junction
Montana
1M)
2M)
3M)
4M)
-5M)
6M)
7M)
8M)
9M)
10M)
TIM)
12M
13M)
14M)
IBM)
North
IN)
2N)
3N)
4N)
5N)
6N)
7N)
8N)
South
is)
2S)
3S)
Scobey -3
Scobey -2
Scobey -1
Ft. Peck
Lindsay
Glendive
Colstrip-BN
Colstrip-McCrea
Lame Deer
Broadus
Otter Creek
Quietus
Hard in
Decker
Red Lodge
Dakota
Parshall
Garrison
McClusky
Washburn
Stanton
Medora
Mott
Bowman
Dakota
Lemmon
Buffalo
Newell
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
x
x
x
x
x
x
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Fable 1.2 (Continued';
Location
Utah
1U) Vernal
2U) Huntington
3U) Castle Dale
4U) Green River (temp.)
5U) Bullfrog Basin
6U) Wahweap Marina
7U) Hurricane
8U) Nephi
Wyoming
1W) Gillette
2W) Buffalo
3W) New Castle
4W) Bill
5W) Douglas
6W) Lusk
7W) Wheatland
8W) Patrick Draw
9W) Kemmerer
Hi-Vol
x
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Membrane
Bubbler
Continuous
Ozone
Continuous
x
X
X
x
X
X
X
x
x
x
x
x
x
x
x
x
x
x
x
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TABLE 1.3 - National Ambient Air Quality Standards (NAAQS)
POLLUTANT
Total Suspended
Particulate (TSP)
Sulfur Oxides
Nitrogen Oxides
(as Nitrogen Dioxide)
Photochemical
Oxidants
Hydrocarbons
(non-methane)
Carbon Monoxide
PRIMARY STANDARD
SECONDARY STANDARD2
Annual
75 ug/m3
Geometric Mean
80 ug/m3
Arithmetic Mean
100 ug/m3
Arithmetic Mean
Short Term3
260 ug/m3
24 hr. Maximum
365 ug/m3
24 hr. maximum
160 ug/m3
1 hr. maximum
160 ug/m3
3 hr. maximum
(6 to 9 a.m.)
10,000 ug/m3
8 hr. maximum
40,000 ug/m3
1 hr. maximum
Annual
100 ug/m3
Arithmetic
Mean
Short Term3
150 ug/m3
24 hr. maximum
1300 ug/m3
3 hr. maximum
160 ug/m-3
1 hr. maximum
160 ug/m3
3 hr. maximum
(6 to 9 a.m.)
10,000 ug/m3
8 hr. maximum
40,000 ug/m3
1 hr. maximum
1. Primary Standards are set to protect human health.
2. Secondary standards are set to protect human welfare (plants, animals, materials, etc.)
3. Short term concentrations are only to be exceeded once per year.
ug/m3 = micrograms of pollutant/cubic meter of air @ STP.
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TABLE 1.4 Incremental Increases Allowed under Prevention of Significant Deterioration (PSD) of Air
Quality by the Clean Air Act (CAA) Amendments of 1977.
CLASS
Annual
Geometric
Mean
TSP
24 hr. Max.
Annual
Arithmetic
Mean
SOo
24 hrT Max.
3 hr. Max
5 ug/m'
10 ug/mj
2 ug/m3
5 ug/nr
25 ug/jn3
II
III
19 ug/m3
37 ug/m3
37 ug/m3
75 ug/m3
20 ug/m3
40 ug/m3
91 ug/m3
182 ug/m3
512 u
700 ug/m-
* All National Parks exceeding 6000 acres in size, National Memorial Parks exceeding 5000 acres in size,
international parks, and national wilderness areas exceeding 5000 acres in size are Class I PSD areas.
After the date of enactment of the Act a new national park, wilderness area, national monument, primitive
area, preserve, recreation area, wild and scenic river, wildlife refuge, lakeshore, or seashore of more than
10,000 acres may only be classified as a Class I or Class II. In Region VIII the Cheyenne Indian
Reservation has been reclassified Class I, before enactment of the Act, and Dunn County in North Dakota
has requested reclassification to Class I.
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SECTION 2.1
COLORADO
Of the nine monitors included in this section, see Figures 2.1.1
thru 2.19, only four are funded by OEA. These four sites, located in
the oil shale development area of Colorado, currently collect TSP data,
only. The OEA funds will add S02 - NOX bubblers to the Grand Junction,
Rangely, and Craig sites, while a membrane sampler is added to the
Meeker site. As of the summer of 1977 the State of Colorado has
contracted with Mesa College to collect data from the monitors. The
sites have been selected and local personnel have been recruited and
will be trained to run the monitors. Data collection should begin
during the third or fourth quarter of 1977 and data should be available
in early 1978.
The report also summarizes data from five additional sites which
are run by the state and are funded through the EPA State program grant
(CAA Section 105). These sites were summarized in this report because
they are located within an identified energy AQMA and are population
oriented. All nine of these sites together should provide good infor-
mation on pre-energy development air quality as well as the effects of
rapidly expanding industry and related growth in the population centers.
Total Suspended Particulate
Three of these sites, Rifle, Grand Valley and Craig, have experienced
multiple violations of the primary NAAQS for TSP. All of the nine sites
have more than two consecutive years of data except the site at Grand
Junction. The missing data from the Grand Junction, Rifle, and Black
Sulfur Creek is due to some malfunction at the state level, either equip-
ment malfunction or data loss, etc.
Sulfur Dioxide
No sulfur dioxide data has at yet been reported. Bubblers will be
placed at Grand Junction, Rangely and Grain. Sampling should begin
during the 3rd or 4th quarter of 1977.
Nitrogen Oxides
No nitrogenoxides data has at yet been reported. Bubblers will
be placed at Grand Junction, Rangely and Craig. Sampling should begin
during the 3rd or 4th quarter of 1977.
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a. 1.1
TSP
Site Location: K > F^-E , Co lo .
Site Code: QG O T ^ OOO \ F O \
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1 200
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75P
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Value derived from data which do not meet summarization criteria
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Site Code:
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150
100
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1970
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123411234
1973
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1976
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1977
1234
1978
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(Vg/-3)
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(Mg/-3)
Ouar
geoo
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terly
near
ecnk.
(Wg/m3)
No. of Oba
>260 vg/«3
No. of Obs
t
* Value derived from data which do not meet summarization criteria.
-------
75P
Site Location:
Site Code: Qt> I £" 2 O'_
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100
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50 _
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Year
Quarter
1970
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1971 1972
1234 1234
1973 1974 1975
1 2 34 1234 1234
1976
1234
1977
1234
1978
1234
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Obs.
21
23
2!
23
23
15
2)
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100
37
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3?
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menu
No. of Oba
=•260 ug/«3
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>150 ug/n3
* Value derived from data which do not meet summarization criteria.
-------
T5P
Site Location: riF*L l SP\0£" Colo.
Site Code: QG I €~<2 OQO 2
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* Value derived from data which do not meet summarization criteria.
-------
TSP
Site Location:
Site Code:
* Value derived from data which do not meet summarization criteria.
-------
9
1 200
00
<5~ 150
Or
100
Primary
Standard
50
0
tear
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Obs.
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(Pg/l»3)
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(Pg/m3)
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-------
7SP
Site Location
: kfrrJ
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Value derived from data which do not meet summarization criteris.
-------
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Site Location:
Site Code:
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* Value derived from data which do not meet summarization criteria.
-------
SECTION 2.2
MONTANA
Seven of the sites listed in this section were originally established by
by PEDCo for the NGPRP study. Of the eight additional sites added to the
network 6 have begun to report data. The two additional sites in Daniels
County around Scobey (Scobey 1 & 2 which are funded as part of the Poplar River
Study) have not reported data as of the first quarter of 1977. While the
total number of sites funded by OEA in Montana remains the same, 15, in FY '78
as in FY '77, several changes have occurred in the network. The sites at Miles
City and Ekalaka are to be moved to Otter Creek and Quietus areas, which are
closer to mining activity. A site will also be established at Red Lodge.
The second sampler at the dual Lindsay site will be used as equipment for the
Red Lodge site. The fate of the site at Poplar is unknown at this time.
When the first unit of the power plant at Colstrip started operation in 1975
the status of the BN and Macrae Colstrip monitoring sites changed from baseline
monitors to source oriented monitors. Several quarters of data are missing from
the Colstrip, Decker, Ekalaka, Lame Deer, and Scobey sites. These data gaps
were caused by some data or equipment failure at the state level.
Total Suspended Particulate
All sites funded by OEA are to monitor for total suspended particulate.
During the period of monitoring, which included almost 3 years of data for
some sites, single violations of short term secondary standards have been
recorded at Ft. Peck and Poplar sites. Multiple violations of the short term
secondary standard have been reported standard have been reported at the Decker
site. The third quarter 1976 had a geometric quarterly mean of 86 ug/m3
estimated annual geometric mean for 1976 was 61 ug/m3. Possible excursions of
the annual TSP standard could occur at the Decker sampling location.
Sulfur Dioxide
Five OEA funded sites report S02 data. Annual arithmetic mean values have
been below 5 ug/m3. The continuous monitors at Colstrip consistently record
3 ug/m3 for quarterly arithmetic averages.
Nitrogen Dioxide
Five OEA funded sites monitor and report NOX data. Values usually run
below 10 ug/m3. The quarterly arithmetic mean for the bubbler at Ft. Peck
recorded 19 ug/m3 NO during the 1st Quarter 1976. This high a value is
unusual even for Ft. Peck whose monitors have averaged much less than 10 ug/m3
since sampling started at this site in 1974.
Ozone
Ozone was measured at the Wolf Point site during a summer study in 1975.
The Colstrip sites currently measure ozone with the highest recorded one hour
value being 157 ug/m3. No excursions of the NAAQS have been recorded.
-------
.Z.I.
Site Location:
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-------
Site Location:
Site Code: £.-?O 3£> O OO
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-------
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1970
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-------
g
1 200
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50
0
Year
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Bo. of
Obs.
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(pg/B3)
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Site Location: (__ \f IOLP / ' !""•
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-------
Site Location
: F""T \ E ^ " '
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Site Code:
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No. of Obs/yr.
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§
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Slt.Loc.Uo.:
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OecvJF OMT-A
MAX
C n !•< CT-fro
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3 2.
-------
SECTION 2.3
NORTH DAKOTA
These eight sites were oriqinally established by PEDCo as part of
the NGPRP and then were taken over by the State in 1975. During the
period of operation by the State the number of observations have increased
and the data has been of qood quality. None of the sites have been moved
since they were established.
Total Suspended Particulate
All eight sites measure TSP. The sites at Bowman, Hott, Garrison,
McClusky and Stanton had single excursions per year of the secondary
24 hour standards. The Garrison site had a single excursion of the
primary 24 hour standard in 1975. The annual averages of the data do
not show any violations of the NAAQS. All the sites had 2 1/2 years of
continuous data. The dual site at McClusky will be dismantled and
one of the monitors used elsewhere. The other monitor will remain at
the McClusky site.
Sulfur Dioxide
Eight quarters worth of data are available from the three sites
which have S02 bubblers. The Stanton site also has a continuous SOj
monitor which has been in operation for more than two years. Mo
excursions of any of the NAAQS were recorded. Quarterly averages did
not exceed 10 ug/irr and annual averages would probably not exceed 5 ug/m3.
Nitrogen Dioxide
Eight quarters worth of data are available from the three sites
that sample for NOX. The Stanton site also has a continous MOX monitor
which has been in operation for more than two years. No excursions of
the NAAQS was recorded. The annual average values at these sites
would be less than 10 ug/m3.
Ozone
Ozone values were recorded for three consecutive quarters (beginning
in third quarter 1976) at the Stanton site. Twenty-six violations of
the primary NAAQS were recorded during the third quarter of 1976. Maxi-
mum one hour concentrations was 196 ug/m3. No excursions of the NAAQS
were recorded at the site during the next two quarters of recorded data.
-------
2.3. /
§
§ 200
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5$
<« 00
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Year
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(Ug/m3)
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>260 yg/m3
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-------
2.3,3.1-
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No. of Obs/yr.
Value derived from data which do not meet summarization criteria,
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Site Location:
Sit* Code:
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-------
O-gotJC OAT
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Mft/ 2,00 Mw
-------
SECTION 2.4
SOUTH DAKOTA
Operator difficulties have necessitated some chanqes in the
monitoring network in South Dakota. The original NGPRP site at Belle
Fourche has been moved to a site closer to Newell, South Dakota which
is east of Belle Fourche. Only one hi-vol sampler remains at the
Buffalo site which until recently operated dual hi-vol samplers.
Total Suspended Particulates
Three sites in South Dakota measure TSP. None of these sites
had any data which exceeded the NAAQS for TSP.
Sulfur Dioxide
The Buffalo and Belle Fourche sites record S02 data. Mo violations
of the NAAQS has been recorded. Operation of these two sites has been
poor so there is not a great deal of data.
Nitrogen Dioxide
NOX was measured at Buffalo and Belle Fourche. Again operator
problems have plagued the results. No excursions of the NAAQS have
been recorded.
-------
TSP
Site
Site
1
I 200
00
(^"M
L •—
a
2
o-
100
j Primary
Standard
50
0
Year
Quarter
Ho. of
Obs.
(Wg/B3)
2nd Max.
(Mg/m3)
Quarterly
geom. mean
No. of Obs
>260 yg/i&3
No. of Obs
>150 ug/n3
— i
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•- ' i
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Location: O a FT t\i-C
Code: ASO"?^'^1^^
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3
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1970
1 234
1
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1971
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.l-l-t-it
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1978
1234
* Value derived from data which do not meet summarization criteria.
-------
TSP
Site Location:
Site Code:
C>|L).
OOO Z FQ3
200
150
100
\ Primary
r ,^ Standard
50
0
Tear
Quarter
i
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rrzTr
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1970
1 2
1971
123
1972
123
1973
1234
1974
1234
1975
1 234
1976
123
1977
123
1978
1234
•o. of
Obi.
Ife
13
7
260
No. of Ob»
H50 wg/«3
Value derived from data which do not meet summarization criteria.
-------
I
So,
Bp-" ~ r\
, IA - _ £, ' r) ^- , l^,,
Site Code: -4 3, O "/ ft "> .">3 ' i "2
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200
150
100
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Year
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1 2 3 A
1234
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1234
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0
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guo
3
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3
MAXIMUM
MAX
7
tio, cS ObS.
&r. c\"Obi7
* Value derived, frcm data which, do not meet sunmarizat±on criteria.
-------
Slt« Location
Site Code:
I FO3
* Value derived from data which do not meet summarization criteria.
-------
2.
TSP
Site Location: p 3 i ' C •
Site Code: A 3 O 5 \T "'^ "
00
>•
-
Cr
200
150
100
Priaary
Standard
50 '_
( -t. „
3=
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Year
Quarter
•o. of
Obs.
2nd Max.
(pg/B3)
1970
34
1971
1234
1972
1234
1973
1 2 3 4
1974
1 2 3 4
/t
31
n~
i ' : ;
±4-4±l j'~ .
!_t
^Tt:
1975
1234
/I
41
15
16
II
61
23
1976
2 3 4
13
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- !• -t-T- -f , -r~'
£ffi
m^-
:3li:
ft
TTi
1977
1234
1978
234
(juarterly
geon, oeaa
13
n
\\
No. of ObS
>260
No. of Obs
>150 pg/m3
* Value derived from data which do not meet summarization criteria.
-------
S0
Site Location: e e
Site Code: ^ B- 09? OOO I FO2
Si
200
150
100
Primary
O Standard
p
50
0
Year
Quarter
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4-t-
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H5H
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UL
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K
r-irt:
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1374
1 2 1 A
1234
234
J977
1234
1234
1234
1234
1234
Ho. of
Oba.
G
0
It
I
n
3
MAXIMUM
3 Hr
MA*
3
lo. cS Obi.
^ ^'i,1
'«. c^-Obi.
1
-------
Site Location: Belie V~OLA(2CHC^
Stte Code: < O 3 ^ QOO \ F<=>3>
£ 200
1L+
-M-l-
-M-
i 1
a
iH
_i_._L
=$
%
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Pfr-
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rt-.
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Primary
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50
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t- ! r I I
i
. *Hl-\-
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i -i ht i 1 - 'T
1970 1971 W72
1 2 1 4 1 2 3 * 123411234
1974
1 234
1975
1 2 3
1976
1977
2
1978
123
Ho. of
Obe.
/S"
13
r
j
2nd Max.
(wg/»3)
10
3
(wg/«3)
5"
b
t'if-
No. Of ObB
wg/»3
No. of Obs
* Value derived from data which do not meet summarization criteria.
-------
7SP
Site Location: L E ^ N"1 O ^
Site Code: <^ 3 [ 3 2. O'^O ) PO3
No. of Obs/yr
* Value derived from data which do not meet summarization criteria.
-------
SECTION 2.5
UTAH
Utah will have eight sites operating that are funded by OEA in
1978. Nine sites were originally planned for Utah but due to site
changes of planned energy development, the sampling sites have under-
gone modification. Data have been received from the Huntington, Castle
Dale, Bullfrog Basin, Wahweap Marina, and Hurricane sites. All sites
have current data thru 1st quarter 1977 except the site at Castle Dale.
The sites at Hurricane and Castle Dale have just started to report data
so only one quarter of data is available. The site at Vernal has
started operation but no data has been reported as yet. The need for
sites at Kanab and Escalante has diminished, therefore these sites will
not be installed. The site at Caineville will be temporarily moved to
Green River until a more suitable place can be found. An alternative
Energy development site will be established near Nephi to begin in
FY '78.
Additional sites included in this report are Price and Cedar City.
While these sites are funded by Section 105 CAA, and not by OEA,they
do represent areas that have energy development impact potential.
Total Suspended Particulate
Excursions of the secondary standard have occurred more than
once per year at Wahweap, Bullfrog Basin, and Castle Dale. Single
excursions per year of the primary standard were reported at Wahweap
and Castle Dale. The highest 24 hour average was reported at Castle
Dale, 665 ug/nH, with a second high 24 hr. average value of 225 ug/m^.
Two quarters of data, third and fourth quarter of 1974, are missing
from the Wahweap site.
The sites at Price and Cedar City both record TSP data since
1975. The Cedar City site has had multiple excursion per year of
the secondary standard. The Price site had two excursions of the
primary standard in 1976 and seven excursions of the standard in the
first quarter of 1977 alone. Multiple excursions per year of the
secondary standard have been recorded at the Price site.
Sulfur Dioxide
All eight OEA funded in FY '78 sites in Utah are or will be
monitoring for sulfur dioxide using continous monitors. The data
reported at present has recorded no violations nor any excursions of
any NAAQS. The site at Cedar City, while not funded by OEA, is
located in an area that has potential energy impacts. Many violations
of the NAAQS for S02 have been reported at this site. Ten excursions
-------
of the 24 hour standard were recorded during the second quarter of
1976 alone. Annual averaqes have not exceeded the NAAQS, however.
The probable reason for these high values is thought to be due to the
monitor being located near a new school heating plant which burns fuel
with a rather high sulfur content. Due to these source oriented
problems the Cedar City site may be relocated.
Nitrogen Oxides
Six of the OEA funded sites are to measure oxides of nitrogen
using continuous monitors. The two sites where only TSP and S02 are
monitored are Bullforg Basin and Wahweap Marina. At present NOX data
is only recorded from the site at Hurricane and only one quarter,
first quarter of 1977, of data is available. No excursions of the
NAAQS are recorded at Hurricane. NOX monitoring at the other sites
should begin presently.
-------
4- i Of. 2
75P
Site Location: Cf\£TL.E~
Site Code:
FO3
200
150
100
H-
-U^T—;— ill
^TH:itm
e
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t=tr:.-L_LU-
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"~-p^ - :
"
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rr:
^
50
0
Year
Quarter
tt-I-
i-ttt-^
;^ !-i
1970
1971
1234
1972
123
1973
1 2 _ 3 4
1974
1234
1975
1234
1976
123
; ; \l-tf--
1977
234
1978
1234
Ho. of
Obs.
260
No. of Obs
>150 vg/m3
3
* Value derived from data which do not meet summarization criteria.
-------
50;
Site Location: C f\ oU €. Or - C , ^7 A \ "•
Site Code: ^£ Q £ TOO D 3 \OZ
8
200
t±
S
iH-h1--
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I
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100
Priaary
Standard
50
0
Year
Quarter
i±
4-i-
*
f.
Rtt
M
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-
;-.-m.
:-4
t
1.234
1234
1 234
/977
1 2 ' 3 4
IQ77
(973
123 4 I 1 23 4
1931
1 2 3 4 | 1 234
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3
3
* Value derived from data which do not meet sunmarization criteria.
-------
T5P
Site Location: H MN->Ti/\)QTO/M,
Site Code: <\ (a Q / <} O^Q
200
150
100
tL
±t
^£4^4
4---H-
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44-H4-
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Primary
Standard
50
—r~: —- i —— : :
vrr±:
-l-t- r:
-Tf
.- , tit-1
! . - I . .! .
I I -
o
Year
Quarter
r:T_.Z"^:^
:i^
1970
1 2
1971
123
1972 1973 1974 1975
1234 1234 1234 1234
1976 1977
1234 1234
1978
1234
Ho. of
Obs.
50
,(,
77
Hazioua
a/
f?
~)a
/j
Ho
2nd Max.
(Wg/n3)
?0
10
~DU;
ge
r^7S3
toC
93
.arterl
:eom-
^\
No. of ObS
>260
No. of Ob a
>150 yg/m3
* Value derived from data which do not meet summarization criteria.
-------
2.5,2,2.
S02
Site Location:
Site Code: <=j & Q I ^ OOO I
HI
O-
200
150
100
Primary
00 Standard
-4
50
Year
Quarter
1 2 3 A
di
;n;itt
234
^EEt.E
dztt.4+
^3-
1234
-44^
r
/977
234
t.rr
m
d±:
~t
!.[ |-L
-/
1 0 ^~J -
* Value derived from data which do not meet sumnarization criteria.
-------
;^ 2, 5,3.1
TSP
Site Location:
Site Code:
: 4
2nd Max.
•£
a? 3%
arterly
titPBTi
3
No. of Obs
>260
7
No. of Obs
>150 yg/m3
10
1
3
10
Value derived from data which do not meet summarization criteria.
-------
,-J -.— -.
S02
Site Location:
Site Code: <^O 7^0001 Fo
a
i
S
±r
-) i-1 }-f
,-i.j- i_i_j.
I
200
150
100
tr
-[--
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^a
r
S
ti-
^
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Primary —
... Standard
IP 50 1
Year
Quarter
1 . 2
3 . A
I9>75
1234
1234
1234
1234
1 Z 3 4
1234
1234 123*
Ho. of
Oba.
27
H
17
3 Kr
70
73
70
Z^rzS!
26
70
73
7
3
G
/O
*Jo. oS Obi.
"3^^_i
* Value derived from data which do not meet sunmarization criteria.
-------
TSP
Site Location: C G OAR C »TV ; UT.
Site Code: C
lot
//9
/r)
2nd Max.
(Mg/n3)
rr
/J7
1(2
/i?
Quarterly
geom. mean
C
a
i
5r 4 /
v£fc>
No. of ObS
>260 yg/m3
No. of Obs
>150 vg/n3
o
0
* Value derived from data which do not meet summarization criteria.
-------
S0
Site Location: Q E O
SlteCode:
»-rV
CA"T~.
200
150
100
1 ' ! i
H"
-:±
gg
i ijij
Li 111.
4 "
±fc
0
Primary
Standard
-t"L;
. *—-
50 L
\Z
0
Year
Quarter
197-1
1 . 23.4
1234
1234
/977
1234
1973
12341 23 4 I 1 2. _3 4
1234 1234
Ho. of
Obs.
2#2-)Klo3&o5te4fr
dfi
*Jo, cS Obi
? it^ -"'/.^
10
3
Cte.
-------
TSP
Site Location: 5 u 11 ^C^V t~ AC/hJ , C/T7
Site Code: A^O^OQ OO
m^i
-J-L
200
pf
tig
m
=tl
4r =
-4
*" ! * *"" •I ! *
i i i i i
?iK
lrj.b
100
Primary
Standard
-Cp
T! r:.rr;
50 '_
Year
Quarter
i^ji-- r -:—
m
1970
23
1971 1972 1973
4 I 1 234 1234 1234
1974 1975 1976
1234 1234 1234
1977
1 2 3 4
1978
123
•o. of
Obs.
73
s
71
Maylmn.
(UgM3)
79
Wfolt
2%
2nd Max.
(Ug/m3)
^uarterl
georn.
n
IIS
13
34
10
2?
No. of ObS
>260
No. of Obs
>150 vg/n3
* value derived from data wMcfi do not meet summarization crtterta.
-------
Site Location:
Site Code:
200
Hiiil-J
m
_ -
-
ilffi
?T1
100
Primary
Standard
-L r
50 L_
0
Year
Quarter
im:-
1234
1234
1234
1234
1234
/979 '380
1 2 3 4 1 2 _3 4 1234 I 1 234
Ho. of
Obs.
/5
3
MAXIMUM
3 Kr
79
'3
73
3
3
3
cV OteT
J rr. W I
* Value derived from data which do not meet summarization criteria.
-------
TSP
Site Location:
Site Code: <4 (, C4 OOGO 2- F O3
200
150
100
Primary
Standard
50
ii^-th
rr;
• i i i -
~.lK\
i' * * '
[7;' ;
0
Year
Quarter
1970
1234
1971
1234
1972
1234
1973
1234
1974
123
1975
1234
1976
1 J 3 4
1977
1234
1978
1234
Ho. of
Obs.
/3
^Bbi
93
27
10
2nd Max.
(Hg/ffl3)
7?
TJuy
ge
arterl
4oa- me
260 ug/»3
No. of Obs
>150 wg/»3
* Value derived from data which do not meet summartzatfon criteria.
-------
Stte Location: U)Rtt(J(Kft? 1^^1)0 A,
Stte Code: ^(^Q^ OOOOZ FO 3
Gr
200
ISO
100
Primary
Standard
50
0
Year
Quarter
H-
1-4-
(374
1.234
1234
Wo. of
Obs.
(Oo, cS Obi.
f
1234
/977
1234
123
35"
2?
24
7/
C
J.._
/979
1234
1 2 _3 4 1 2 34 1234
Value derived from data which do not meet surmarization criteria.
-------
. 7.
TSP
Site Location: J-|M. £ fcl C/?/vJ£ y
Site Code: I 2-fO O O 3
20°
i3o
=rrr
-f-r
T
£
-
EEEE-- :t:r
^tf
:44
I- Iff
-U II r
100
Primary
Standard
SO
Tear
Quarter
-\~t-4-
^
S
-I—i—f
I I , -i
•I Mrl^fr:
Ffi-m^"::
r-t-
-H-y-.f-
1970
_2 JL 4
1971 1972
234 1234
1973
1234
1974 1975
1234 1234
1976
1234
1977
1234
1978
•o. of
Obi.
/5
(vgV)
2nd Max,
(wg/-3)
-73
Quarterly
geon. mebx
SO
Ho. of Ob«
>260 pg/«3
No. of Ob*
>1SO Wg/»3
* Value derived from data which do not meet summarization crtteria.
-------
. a
SO;
Site Location: ^tf |?.\ C.A rj£ ,
Site Code: ^ £ | £. ^ QOQ 3
£
n
44
:±±;
^
200
w ISO
100
Primary
Standard
50
Year
Quarter
±HI
ft
^
-4-1-
=tp
-__- .
! . L t
4
-4-4-4-
tto-
i"
t±±t
H-Fi
rl^W
-r-_Lt
1-1 .1 I -I
M r t r
i hi-:
t
07-1
2 . 3
1234
1.2.3
123
1234
/979
23
1234
1234
1234
Ho. of
Obs.
113
7
3 Kr
MA*
(Oo. oS Obi.
#0. ci-'ObiV
* Value derived from data which do not meet summarization criteria.
-------
Site Location: /-f U f? f? i C r
Site Code: ^ G | 2 ^ ^ Q
|-
C
BEFEE
Effi
m
w
i
i
1
iti
itH
I
150
'100
Eg
iF
TR
f^P
"ff"
Trrr I
itrrt
0-
.* r
Primary
Standard
'•=&
~n
-t-i-
1.4 J-L-
. ; i
t!U
TJ-;-
0
Year
Quarter
M-lt+'-H-r:
I 1- I, J. , , -
j t I-HT- --H-t-
1970
1234
1971
1234
1972 1973
1234 1234
1974
123 4
1975
234
1976
1234
1977
12 3 4
1978
1234
•o. of
ObB.
(Mg/B3)
3?
2nd Max.
(Hg/B3)
3?
(wg/-3)
No. of Oba
yg/«3
Ho. of Obs
Value derived from data which do not meet summarization crtterta.
-------
SECTION 2.6
WYOMING
The sites at Buffalo, Gillette, Lusk and New Castle are the
original NGPRP sites established by PEDCo in 1974. Five other sites
have since been added to the network (Bill, Kemmerer, Wheat!and,
Converse County, and Sweetwater County) and all nine sites are funded
by OEA. Some changes will be made to the present network in FY '78
but none of the changes involve moving site locations. Continuous
monitoring at the Gillette site will no longer be done. Only bubblers
will be operated. The dual hi-vol at Lusk will be removed but particulate
sampling at the Lusk site will still be conducted by the remaining
hi-vol sampler. Four additional sites that are not funded by OEA but
are located in possible energy impacted areas are included in this summary
of data collected. Some violations of the NAAQS were recorded at these
stations.
Total Suspended Particulate
Of the nine sites funded by OEA only the sites at New Castle and
Wheat!and recorded any excursions of the NAAQS for TSP. The primary
and secondary standard were exceeded once each during the third quarter
of 1975 at the New Castle site. A data anomaly report filed by the
contractor operating the site at the time of the excursion of the
primary standard ,277 ug/m3, noted that while the sample is valid the
construction at the airport where the sampler is located and the location
of an asphalt batch plant very close to the sampler was the probable
cause of the high reading. The sampler at Wheat!and recorded one
excursion of the secondary NAAQS during the third quarter of 1976. The
Gillette station was moved during the third quarter of 1976 so there
is less data from that site than would normally be reported.
Two of the additional TSP sites included in this report, but are
funded under Section 105 of CAA, recorded violations and excursions of
the NAAQS for TSP. The Rock Springs site is located in a community
whose air quality has been influenced by population impacts attracted
by energy and other development in the area. The 24 hour standard
for TSP was violated in 1974 with seven excursions of the NAAQS. The
secondary standard has been exceeded 43 times since the site began
reporting data in 1974. The annual geometric mean has also violated
the NAAQS for '74, '75 and '76. These violations of the annual geometric
mean exceed the standard by about 20 ug/m3 during each year of record.
The site at Burks Ranch has had 3 excursions of the secondary standard
since 1974.
Sulfur Dioxide
Six sites have S02 bubblers operating, five sites have reported
data. Three sites have continuous S02 monitors. At this time only
-------
the Gillette site has reported data, but continuous monitoring at the
Gillette site will not continue in FY '78. No violations of the NAAQS
occurred at any site which monitors SO? . Maximum 24 hour values were
less than 50 ug/m3 and annual arithmetic means less than 5 ug/m3.
Nitrogen Dioxide
Six sites have NOX bubblers operating, five sites have reported
data. Three sites have continuous NOX monitors. At this time only
the Gillette site has reported data, But continuous monitoring at the
Gillette site will not continue in FY '78. No violations of the NAAQS
occurred at any site which monitors NOX. The annual arithmetic mean
values were less than 10 ug/m3.
Ozone
The site at Gillette was to measure ozone concentrations using a
continuous monitor. No data has been received from this site and
since continuous monitoring activities at this site will be terminated
at Gillette in FY '78 no ozone data may ever be gathered.
-------
75P
Site Location: {$ 150 ug/m3
-----
:_:
,
-~ J
—
_. __
.
-
:d
-
H-r-J-
44^3:
1
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1 — ; — r— t^-
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: "i _.^:"
— ,-
; .i"
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1970
1234
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4
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-
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f±±i±
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-
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1971
234
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1 — — ' — \~~
-
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i
—
2
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...
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•-4-»-
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rf-
R-^rr
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1"T--l-|-r
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1972
3
, . -, -
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. . ^ .
'— -
-f—-
4
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— i
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1973
2 3
4
-
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4
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^
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1
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1974
1 2
3
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4
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22.
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1975
1 234
13
;s
13
4
r
3?
^
/3
/?
J7
31
^
No. of Obs/yr.
*•'
id
i ->
4
-
1
/iT
7
7
i-
1976
234
, — ,
/S"
/r
G
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r
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1 ; m
1
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— - — . . : - 1 H :
1977
1 2 3 A
/ *— '
--,-
12
2
-
-
f
4-
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i *. -j--
m-
rtf
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i
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t~
r
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-- *— t- + +--r-
j-^r:ti-
- , - 1
... - -
-
"
, - - .
• r :
1978
1234
^.'L
* Value derived from data which do not meet summarization criteria
-------
TSP
Site Location:
Site Code:
V.
| F O
'-(-•-•H
200
150
100
£-4
it
^£
Sff
EfeE^
3
o-
:4T
: : IT
Primary
Standard
50 *
Fffir
i • - -
±i
I?-— ~-
Tear
Quarter
1970 1971 1972 1973 1974
i 234 1234 1234 1234 1234
1975
1 2 3 4
1976
1234
1977
1234
1978
1234
Mo. of
Oba.
5
/5
n
IS
(Vg/m3)
43
Sf
/2
34
H
2nd Max.
(Wg/m3)
62
Z5
13
IS
30 3^
Juarterl
geonu
l\
12
25
7
|2
No. of Oba
>260
No. of Obs
>150 ti/m3
No. of Obs/yr.
2
* Value derived from data which do not meet summarization criteria.
-------
S0
?U C :
Site Location: G^ (<-<-
-------
2,6, a, 3
Site Location: (^\ L L ETT£ ; ^Y.
Q O <£ °OO I FO2
Site Code:
^=r
200
150
100
rt-r, .
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r
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^F
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7.71
^;
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Standard
-A
50 1.
I
Year 1974 Ift75 I9?fe /977
Quarter 1234 1 2 3 4 1 234 1 23 4
1 2 3 4
<973
1234
1 23 4
1234
1234
Ho. of
Obs.
f7/
^aw
B
n
13
3
(o
13
IS
13
3
^
„.'
MAXIMUM
13
70
3)0
MA*
13
3
o. cS Obs.
._yw.
* Estimated or insufficient data.
-------
fS/O:
Site LocalIOD: C_»- i ;.
Site Code:
s
i
X
r- 200
(X.
^
Cj£. 150
o
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Primary
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50
0
Year
Quarter
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I ^ S/T3T
. 2nd Mm.
\ ITA Ug/Di1)
Qunr lei 1 v
MiTrt.»BPC- r»'tn.
No. of Otiq
>200 pg/is3
No. of 0 b t<
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No. of Obs
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No. of Obs
Estimated Value
-------
SECTION 3.0
-------
SECTION 3.0
In 1974 PEDCo Environmental, under an EPA contract, established
twenty-two monitoring sites in Montana, North Dakota, South Dakota and
Wyoming. These monitoring sites were established as part of the Northern
Great Plains Resource Program (NGPRP) plan to monitor development in
Energy Resource areas. From September 1974 to August 1975 the monitors
were operated by the contractor and then the operation was turned over
to the various state air pollution control agencies.
In Figures 3.1 thru 3.6 a summary of J^fi_jdata collected by the
contractor from September 1974 to Augus/t''l976^s compared to a summary
of data collected by the state agencies-d^rthg a similar time period
the following year, third quarter 1975 thru the second quarter of
1976. To expedite this report annual averages were calculated by
averaging the quarterly averages. This method compares very well with
the proper method of taking an annual mean of the raw data. Comparisons
of data collected from these sites for calendar years 1975 and 1976
utilize the proper method. Figures 3.7 thru 3.12 show these comparisons.
In summarizing the data collected by the contractor and the data
collected by the state and comparing the results for similar time periods
as well as two separate calendar years two interesting conclusions are
revealed. These conclusions are (1) Annual average concentration of
TSP values were high^>from 3rd quarter '75 to 2nd quarter '76 than during
the similar period in 1974-1975., (2) Short term SO? and NOX values were
hfiher in '75 - '76 than during '74 - '75.
Not enough data, as yet, has been collected to determine long
term trends with any degree of accuracy. At several sites a significant
amount of data was missing or insufficient so that averages could not
be determined. These sites continue to be operated by the state agencies
at this time.
-------
'-1
r
MONTAHA
* 21.3
KjfvAR
FORytCK (f7.5)
(9.7) 14
34.0
won
T35.2)
7) 1
1
EKAI AKA
LAME D££R 24.5 (5.8)
(11.9)
*v
f
\
9-8 12.5
bUFFAU)
, Jl _ ^ GILLETTE
V ^^ • ^- / T n c
1 y.b
NtW CAiTLE
WYOMING
10.8
(8.*)
J
BELLE
FOURCH£
Cft.2)
25.8
bulrALO
(tl.9)
23 '5
LE-MOH 24.5
(26^2)
SOUTH DAKOTA
Fig. 3.1 Annual TSP Values (ag/m3) - Geometric Mean 3rd Qtr. 1975 to 2nd Qtr. 1976
Values in ( ) were calculated by PEDCo - Sept. '74 to Aug. '75.
* Where only one number appears there was insufficient data to calculate annual mean,
-------
MONTANA
NORTH DAKOTA
POPLAR
96
FORT PECK
166
(51)
LAME DEER
99
173
(124)
LINDSEY
fif?
OU
^" ' OLENOIVE
130
(59)
f\ /•»
32
EKAl AKA
48 (37*)
BKOAOUS
UEDORA
7?
(88)
8QWMAN 21
56
BUFFALO
(61)
PARSHALL (2?8) 96_J
87 OAHRISON ( 1 COT)
014) u«^L
STANTON i—
— • \
1^8 • WASHBURNl
CTC5) -™} I
f *(113)
LEMMON \
97 ^
(228) \
j
(66)
55
SOUTH DAKOTA
BELLE
FOURCHE
BUFFALO
(37)
GILLETTE
•
, 54
(63)
WYOMING
Figure 3.2
NEW CASTLE
52*
(277)
48
(93)
LUSK
Maximum 24 hr. TSP concerntrations (ug/m3)
3rd QTR 1975 to 2nd QTR 1976 - May not be inclusive
Numbers in ( ) indicate values measured by PEDCo (Sept. 1974 to Aug. 1975)
-------
Figure 3.3 Annual Arithmetic Mean Concentrations of SO? (ug/m3)
Values in ( ) were calculated by PEDCo - Sept. '74 to Aug.
* Insufficient data to calculate mean.
'75
-------
MONTANA
39
FORT PECK
00
09
POPLAR
LINOSEY
SLENDIVE
EKALAKA
BROAOUS
A.
i
\
BUFFALO 66
• GILLETTE
(4*8) 65
NEW CASTLE
(41) •
WYOMING
52
(52)LU.SK
. J
BELLE
FOURCHE
NORTH DAKOTA
MEDOHA
•
BOWMAN
•
40
BUFFALO
(45)
PARSHALL
GARRISON
•I ^2 McCLUSKY
STANTON *
0WASHBURN1
- 150)
35
MOTT
(41)
LEMMON
SOUTH DAKOTA
Figure 3.4 24 hour maximum SO^iUlues (ug/m3)
Values in ( ) were qTajeiulated by PEDCO - September '74 to August '76.
-------
I MONTANA
i
8.8 POPLAR
FORT PECK *
(1*6)
LINOSEY
•
GLENCXVE
•
* EKALAKA
LAME DEER
('-•J ) 8ROADUS
NORTH DAKOTA \
I
PARSHALL 1
•
GARRISON
* McCLUSKY
** • W*SHBORN 1
MEDORA (2-~5) (2.6)
*
MOTT I
BOWMAN (6.0) |
* LEMMON \
BUFFALO F
(1*4) \
^v
f
\
10. 8T
BUFFALO
• GILLETTE
(3*3) *
NEW CASTLE
WYOMING
*
LUSK
(5.94
BELLE
FOUR CHE
-A.3)
SOUTH DAKOTA
Figure 3.5 N02> Annual Arithmetic Mean in
PEDCo Values for September '74 to Augtrst '75 in (
* Not able to calculate - insufficeint date.
-------
o
Figure 3.6 NChj Maximum 24-hour concentration in ug/m3
PEDCo Values in ( )
-------
Figure 3.7 '75 - '76 Calendar Year Annual Geometric Mean TSP Values
'76 ( )
-------
MONTANA
124
POPLAR
•073}
86 92
LINOSEV
C38K6Q) 13Q
Figure 3.8
NORTH DAKOTA
87
PARSHALL 85
C76) GARRISON 95 1
125 fl76)Mca*
STANTON (237 Hi-
66
BROAOUS
GLENDiVE
10*2
34
EKALAKA
crti
72 C.T50) •Tj'z;
MEDORA
Cf20)
124
214 MOTT
Bow.Mtl27) ^201)
URN 1
0 I
1
14 12 LEMMON \
,^M,> C») <
61
BELLE
FOURCHE
-C*6)
SOUTH DAKOTA
LUSK
146) • (45)
Maximum 24 hr, TSP Values
-------
Figure 3
,9 '75 - '
'76 (
76 Calendar year annual arithmetic mean $62 values - bubblers unless noted
-------
_£>
Figure 3.10 Maximum SO? Values during calendar year '75 - '76 Bubblers unless ~noted
•76 ( r
Continuous
-------
0WASHBURN
(6*R7) .(3)
Cll*)(5} 6
NEW CASTLE
Figure 3.11 '75 - '76 Calendar Year Annual Arithmetic Mean N02 Values - Bubblers unless noted
'76
Continuous
-------
-£.
MONTANA
FORT PECK
POPLAR
•
LINOSEV
GLENDIVE
•
EKALAKA
BROAOUS
s~
[
94* 19
BUFFALO
• GILLETTE
• (12) 13
NEW CASTLE
(14?
WYOMING
68
(12)U.8K
J
21
BELLE
FOURCME
-*•
NORTH DAKOTA
MEDORA
BOWMAN
n
BUFFALO
ft)
PARSHALL
GARRISON
56**32
STANTON
(56*f(30)
43
MOTT
(2?)
LEMMON
SOUTH DAKOTA
Figure 3.12 Maximum N02 Values from Calendar Years '75 - '76 - Bubblers unless noted
'76 ( )
-------
TECHNICAL REPORT DATA
(Please read Instructions on the reverse before completing}
Ri PORT NO
Ej>A-908/4-77-01
4 1 I T L L AND 3UU TITLE
Ambient Air Quality Monitoring Network
EPA Region VIII Energy Areas
6. PERFORMING ORGANIZATION CODE
3 RECIPIENT'S ACCESSION-NO
5. REPORT DATE
October 1977
7 AUTHOR(S)
George Boulter, Barry Levene
8 PERFORMING ORGANIZATION REPORT NO.
9. PERFORMING ORGANIZATION NAME AND ADDRESS
10. PROGRAM ELEMENT NO.
11. CONTRACT/GRANT NO.
12. SPONSORING AGENCY NAME AND ADDRESS
USEPA, Region VIII
1860 Lincoln St.
Denver, Colorado 80295
13. TYPE OF REPORT AND PERIOD COVERED
14. SPONSORING AGENCY CODE
15. SUPPLEMENTARY NOTES
16. ABSTRACT
The ambient air quality monitoring network located in Energy development
areas in the states in Region VIII (Colorado, Montana, North Dakota, South
Dakota, Utah and Wyoming) is described. The data collected from these monitoring
locations for several years is summarized. Comparisons between data collected
in 1975 and 1976 at selected monitoring sites is presented.
KEY WORDS AND DOCUMENT ANALYSIS
DESCRIPTORS
1) Air Pollution
2) Monitoring
3) Energy - Envrionemntal Baseline
b.IDENTIFIERS/OPEN ENDED TERMS
c. COSATI Field/Group
1) NGPRP Data
2) Colorado, Montana,
Utah, North Dakota, Soutfi
Dakota, Wyoming
3) Energy Areas
B, DISTRIBUTION STATEMENT
19. SECURITY CLASS (This Report)
21. NO. OF PAGES
157
20. SECURITY CLASS (This page)
22. PRICE
EPA Form 2220-1 (9-73)
------- |