DAQ-2024-008313

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-543-24
Site ID 10313 (B1)

Colby Roberts
Graymont Western US Inc.
P.O. Box 669
Delta, Utah 84624

Dear Mr. Roberts:

Re: Graymont Western US Inc. – Cricket Mountain Plant – Fugitive Dust Control Plan
(FDCP) Review – Millard County

The Fugitive Dust Control Plan for the Graymont Western US Inc. Cricket Mountain Plant dated
May 15, 2024, has been reviewed and found acceptable. This plan was submitted as part of Title
V operating permit (270000504) requirements.

If you have any questions, please call me at 801-725-9106 or email at [e-mail].

Sincerely,

Joseph Randolph, Environmental Scientist
Division of Air Quality

JR:rh

cc: Central Utah Public Health Department

* . + # ) * ' + # — 0 ) C v A ? A C @ A w ? G ˜
MoseSh UandolSh
June 5, 2024
VVVVV
GRAYMONT
May 15,2024
Mr. Bryce Bird
Director, Utah Division of Air Quality
Utah Department of Environmental Quality
Division of Air Quality
PO Box 144820
Salt Lake City, UT 84114
RE: Fugitive Dust Control Plan submittal
Mr. Bird,
With the recent changes to our Title V operating permit 270000504, we are submitting
our most recent revision to our Fugitive Dust Control Plan (FDCP). The newest revision
of the FDCP plan is attached for your review and approval as per permit conditions
ll.B.1.e in our Title V operating permit. This meets the requirements for being in
compliance with ll.B.1.e.
Based on information and belief formed after reasonable inquiry, the statements and
information in this and the attached documents are true, accurate and complete.
Please call me at (a35) 864-5760 or Cade Nielson at [phone] (office) or (435)
327-2731(cell) should you have additional questions.
Plant Manager, Cricket Mountain Plant
GRAYMONT
32 Miles Southwest of Delta, Utah
Highway 257
PO Box 669
Delta, UT 84624
I,TAH DEPAMMENT OF
EI\UHONMENTAL CIJAIITY
MAY 2 0 2024
DMS'ON OF AIR QUALTN'
Sincerely,
ruW
Colby Roberts
FUGITIVE DUST CONTROL PLAN
urnu or OF
DIVISION OFAIR OUALITY
MAY 2 0 2A24
GRAYIiON|T
GRAYMONT WESTERN US INC.
CRICKET MOUNTAIN PLANT
DELTA, UTAH
Revision Date: July 15, 2O?3
Prepared by:
Graymont Western US lnc.
3950 South 7OO East, Suite 301
salt Lake city, UT 84107
TABLE OF CONTENTS
1.0 !NTRODUCT|ON........ ...................1
2,O SOURCES OF ROADWAY FUGITIVE DUST .................2
2.2 Mnrru HRut- RoAD -FLAT lnoN OuaRRvro lrurensecroN wrrH DoLoMrrE OuanRv............................3
2.3 MArN HAUL RoAD -4.1-Mrlr Secrroru EAST oF DoLoMrrE OunRRv INTERSECTToN .............................. 3
2.4 MA|N HAUL ROAO - Yz-wrttt SeCrOn WESI OF PLANT .............. 3
3.0 MONtrORtNG.......... ....................5
3.1 Vrsunl Dusr OesenvATroNS....... ........................... 5
3.2 Rono Dusr Opecrrv MoNrroRrNG .........................5
4.0 ROAD DUST CONTROL ACTrVIT1ES............... ..............7
4.2 Rourrrue Dusr Corurnol AcrvrES.................. ......................... 8
5.0 RECORDKEEPING .......8
6.0 OUALrry ASSURANCE............ ....................8
Appendix
Appendix
Appendix
A:
B:
C:
APPEN DICES
Road Dust Control Log and lnstructions
Road Opacity Monitoring Form and lnstructions
Fugitive Dust Control Plan Annual Review Log
FIGU RES
Figure 1: Cricket Mountain Plant Road Designations
1.0 INTRODUCTION
The purpose of this plan is to establish and describe dust control measures that are
technologically feasible and economically reasonable to minimize fugitive dust which
results from trucktraffic along the Main Haul Road and the Sales Road atthe Graymont
Western US lnc. (Graymont) Cricket Mountain Plant. lmplementation of these measures
will ensure compliance with the applicable fugitive dustrequirements in the Utah
Administrative Rules (UAR) R3O7-205. Emission Standards: Fugitive Emissions and Fugitive
Dust. The Main Haul Road begins at the western edge of the Cricket Mountain Plant and
ends at either the lron Basin Quarry, the Poison Mountain Ouarry (Crusher Area) or the
Alsops Ouarry, which is approximately 5.6 miles west of the plant. The Sales Road is
located between the plant and Highway 257, which is located east of the plant.
This plan establishes the dust control measures that are technologically feasible and
economically reasonable to minimize fugitive dustthat is created by trucktraffic along the
Main Haul Road and Sales Road atthe CricketMountain Plant. lmplementation of these
measures will ensure compliance with the applicable fugitive dust requirements in the Utah
Administrative Rules (UAR) R307-205. Emission Standards: Fugitive Emissions and Fugitive
Dust.
1.1 Dusr Puu lmplEMENTATIoN
Overall, the fugitive dust from the Main Haul Road and the Sales Road represents a small
fraction of the total emissions of particulate matter less than 10 microns (PM10) from the
Cricket Mountain Plant. The Cricket Mountain Plant is located in a remote desert area
designated as attainment for all criteria pollutants. Adherence to this Fugitive Dust Control
Plan will protectthe public health and welfare as demonstrated by air dispersion modeling
that was conducted as part of the Cricket Mountain Kiln #5 permitting project (see Cricket
Mountain Plant, Notice of lntent, Kiln 5 Project, dated December 20OO).
Operating personnel and contractors at the Cricket Mountain Plant are responsible for
implementing and documenting compliance with this plan.
1.2 Wonr Pnncrrces
Graymont recognizes that periods of unusual weather events such as strong winds or
periods of freezing temperatures occur and some methods to control fugitive dust are less
effective during these periods. There are also times when the established dustcontrol
measures may not be necessary to minimize dust because the potential for fugitive dust
may be naturally mitigated by events such as precipitation or moistconditions. However,
under normal conditions, the dust control measures described in this plan will minimize
fugitive dust and satisfy Graymont's requirements to comply with the applicable
requirements in UAC R3O7-2O5.SouRCE INFoRMATIoN
Graymont Western US lnc.
Cricket Mountain Plant
32 Miles Southwest of Delta, Utah
P.O. Box 669
Delta, uT 84624
Fugitive Dust Control Plan - Rev. 4 Graymont Western US lnc. - Cricket Mountain Plant
1.3 Pnocess Drscnrpnoru
The Cricket Mountain Plant produces lime and limestone products for sale to the customers
of GraymontWestern US lnc. The process begins atthe quarry where limestone is blasted
and then loaded onto trucks and transported to the crusher. The crusher is located within
the quarry area. Once crushed and screened, the stone is conveyed to one of five storage
piles. The various storage piles are the fines pile, small stone pile, medium stone pile,
dolomite stockpile and large stone pile or Sugarstone pile. From the piles, the stone is
either conveyed to a truck or transferred to a truck via a front-end loader.
The haul trucks transportthe crushed limestone to the plant along the Main Haul Road.
Once atthe plant, the haul trucks bottom-dump the stone in one of four hoppers. One
hopper is for stone that will be transferred to Kilns 1 and 2, the second hopper is for Kiln 3,
and the third hopper is for Kiln 4. The fourth hopper is for Kiln 5. Except for Kiln 5, from
the hopper feeds, the stone is conveyed to the storage piles via radial stackers. Kiln 5
conveys stone through stationary conveyors and discharge stacks. The stone is then
conveyed from the storage piles to screens and then conveyed to the appropriate kiln
preheater.
Each kiln is equipped with a preheater. The stone passes through the preheater and into
the kiln. Limestone entering the kilns is subjected to heat and a tumbling action. This
process chemically alters the limestone to lime. The reaction requires a temperature in
excess oI 2,2CfrF. The calcining of limestone in the kilns occurs by one of the following
reactions:
CaCOe +heat --- COz +CaO (high calcium lime)
CaCOs'MgCOs *heat ---r2COz +CaO'MgO (dolomitic lime)
The lime is cooled, screened, and crushed as needed to create the required product. The
lime is stored in storage silos and then transferred from the storage silos to either trucks or
railcars for transport to customers. These trucks travel along the Sales Road.
Kiln heat is supplied by burning pulverized coal. Coal is delivered by truck. The coal trucks
travel along the Sales Road and unload the coal into one of two below-grade hoppers, or
on the ground. The coal is conveyed from the hoppersto the coal silos. The coal isthen
conveyed from the bottom of the silosto the coal mills and then blown into the kilns. Each
kiln has its own coal silo and coal mill. The coal feed rate to the kilns varies depending on
kiln size and the size of the limestone being fed to the kilns. During a kiln startup, propane
and/or diesel fuel is used as a startup fuel.
2.O SOURCES OF ROADWAY FUGITIVE DUST
Activities that produce fugitive dust along the roads at the Cricket Mountain Plant include
hauling crushed limestone to the plant on the Main Haul Road, hauling lime products from
the plant on the Sales Road, and delivering coal to the plant. The sections of the Main Haul
Road and the Sales Road are described in more detail in the following sections. Figure 1
displays the approximate locations of the various road sections.
Fugitive Dust Control Plan - Rev. 4 Graymont Western US lnc. - Cricket Mountain Plant
2.1 Snles Rono
Type of Activities: Lime trucks hauling lime products from the plant and coal trucks
delivering coal to the plant.
Description: The Sales Road has been repeatedly treated with dust suppressants such as
magnesium chloride and water for several years. The surface is hard and
relatively flat. The road is fairly straight and traffic travels at a relatively
uniform speed. All vehicles traveling on the Sales Road will adhere to the
posted speed limit of XX mph.
2.2 Mnrru Hnul Rono -Flar lnoru O,ulnRy ro lrurensecnoN wrrH Dolorutre O,unRnv
Type of Activities: Trucks hauling crushed limestone. Trucks consist of a tractor followed
by one or more trailers. Rock haul trucks hauling broken limestone from
the Dolomite Ouarry, Alsops Quarry, Northwest Fingers Quarry, or the
lron Basin Ouarry to the crusher in the Poison Mountain Ouarry.
Description: This section of the Main Haul Road has been repeatedlytreated with dust
suppressants such as magnesium chloride and water for several years. The
surface is hard and relatively flat. Trucks do not travel at a uniform speed
over this section of the road since the speed limits vary as they approach and
leave the Poison Mountain Ouarry (Crusher area), and Dolomite quarries.
Due to the changing speeds and exit from the quarries, this section of the
road typically has more material (silt, sand, gravel, etc.) on itthan the middle
section of the Main Haul Road.
2.3 Mnrru Hnul Roao -4.1-rvnlr Srcnoru Ensr oF DoLoMrrE O,uARRy INTERSEcnoN
Type of Activities: Trucks hauling crushed limestone. Trucks consist of a tractor followed
by one or more trailers.
Description: This section of the Main Haul Road has been repeatedly treated with dust
suppressants such as magnesium chloride and water for several years. The
surface is hard and relatively flat. Trucks travel at a uniform speed over this
section of the road. The road is fairly straight in this section. This section of
the road typically has little material (silt, sand, gravel, etc,) on it. The
maximum speed allowed on this section of road is 50 miles per hour.
2.4 Mnrru Hnul RoRo -Yz-ttue Secnoru Wesr oF PLANT
Type of Activities: Trucks hauling crushed limestone. Trucks consist of a tractor followed
by one or more trailers.
Description: This section of the Main Haul Road has been repeatedlytreated with dust
suppressants such as magnesium chloride and water for several years. The
surface is hard and relatively flat. Trucks do not travel at a uniform speed
over this section of the road since the speed limits vary as they approach and
leave the plant area. Due to the changing speeds, this section of the road
typically has more material (silt, sand, gravel, etc.) on itthan the middle
section of the Main Haul Road.
Fugitive Dust Control Plan -Rev.4 Graymont Western US lnc. - Cricket Mountain Plant
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4
3.O MONITORING
3.1 Vrsunl Dusr Oesrnvnilohrs
Visual dustobservations shall be used to determine the dustcontrol measures needed for
the various sections of the roads identified in Section 2.0. Other indicators, such as
weather conditions and level of truck traffic, may also be used to determine the most
effective dust control measures.
Visual dustobservations will be performed on an informal basisthroughoutthe day bythe
water truckdriver, haul truckdrivers, Quarry Supervisor, and other plant personnel. At
least once each day during normal business hours, the Ouarry Supervisor or designated
alternate will log the level of dust control implemented on the'Road Dust Control Log'.
The dust control levels are described in Section 4.0. The instructions for the log and a
blank log are contained in Appendix A.
The observation can be made through the vehicle side-view mirror or from an observer not
in the vehicle. Dustcontrol measuresthatareto be implemented are outlined in Section
4.O.
3.2 RoRo Dusr Opectw MorurroRutc
Road dust opacity monitoring will be conducted
the dust control measures and compliance with
UAC R307-205.
Monitoring will be conducted on a weekly basis.
different location each week. One of the weekly
on the Sales Road.
to determine the overall effectiveness of
the applicable fugitive dust requirements in
The monitoring will be conducted at a
monitoring events each month will occur
The road dust opacity monitoring will be conducted in accordance with the following
method that has been approved by USEPA. The form in Appendix B of this plan will be
used to documentthe opacity monitoring. Additional information on the test method is
available at:
http://eoa.gov/reg ion9/airlphoenixpm /fip/m ethod .htm I .
Step 1: Standatleastl6.5feetfromthesource(travel lane) toprovideaclearviewof the
emissions with the sun oriented in the l4.Gdegree sector to the back. Following
these requirements, make opacity observations so that the line of vision is
approximately perpendicular to the dust plume and wind direction. lf multiple
plumes are involved, do not include more than one plume in the line of sight at
one time.
Step 2: Record the fugitive dustsource location, source type, method of control used,
observer's name, certification data, and a sketch of the observer's position relative
to the fugitive dust source. Also record the time, estimated distance to the fugitive
dust source location, approximate wind direction, estimated wind speed,
description of the sky condition (presence and color of clouds), observer's position
to the fugitive dustsource, and color of the plume and type of background on the
visible emission observation form both when opacity readings are initiated and
completed.
Fugitive Dust Control Plan - Rev. 4 Graymont Western US lnc. - Cricket Mountain Plant
Step 3: Make opacity observations, to the extent possible, using a contrasting background
that is perpendicular to the line of vision. Make opacity observations
approximately 1 meter above the surface from which the plume is generated.
Note thatthe observation is to be made at only one visual point upon generation
of a plume, as opposed to visually tracking the entire length of a dust plume as it is
created along a surface (along the road). Make two observations per vehicle,
beginning the first reading at zero seconds and the second reading at five seconds.
The zero-second observation should begin immediately after a plume has been
created above the surface involved. Do not look continuously at the plume but,
instead, observe the plume briefly atzero seconds and then again atfive seconds.
Step 4: Record the opacity observations to the nearest 5% on an observational record
sheet. Each momentary observation recorded represents the average opacity of
emissions for a Fsecond period. While it is not required by the test method, EPA
recommends that the observer estimate the size of vehicles which generate dust
plumes for which readings are taken (e.9. mid-size passenger car or heavy-duty
truck) and the approximate speeds the vehicles are traveling when readings are
taken,
Step 5: Repeat Step 3 and Step 4 until you have recorded a total of 12 consecutive opacity
readings. This will occur once six vehicles have driven on the source in your line
of observation for which you are able to take proper readings. The l2consecutive
readings must be taken within the same period of observation but must not
exceed t hour. Observations immediately preceding and following interrupted
observations can be considered consecutive.
Step 6: Average the 12 consecutive readings together.
The road dust opacity monitoring will be conducted by an USEPA Method 9 certified
observer. Results from the opacity monitoring will be recorded and maintained onsite.
Fugitive Dust Control Plan - Rev. 4 Graymont Western US lnc. - Cricket Mountain Plant
4 ROAD DUST CONTROL ACTIVITIES
4.1 Dusr CorurRol Lrvels
Multiple levels of fugitive dust control measures are implemented as needed for the Sales
Road and the differentsections of the Main Haul Road. The first level, Level 0, describes
when no dustcontrol measures are required. Higher levels describe dustcontrol measures
that are progressively more stringent.
Monitoring indicators that advance the dust control measures to higher levels will be based
on visual dust observations, weekly road dust opacity monitoring, weather conditions, and
level of truck traffic. The water truck driver(s) will use the monitoring indicators and
observations made by others to determine the proper dust control level and the dust
control measures for the current conditions. The Ouarry Supervisor shares the
responsibility of verifying that proper dust control measures are being implemented.
Level 1 is the baseline level. Roads will be watered at least once daily unless weather
conditions make watering unnecessary (rain, damp conditions, etc.) or make driving
conditions dangerous (freezing temperatures, snow, etc.). lf weather conditions make
watering unnecessary, the dust control level will decrease to Level 0. lf freezing
temperatures exist,the dustcontrol Ievel will either be Level Oor Level 3based on the
results of the visual observations.
The following control levels shall be used in conjunction with the monitoring indicators:
Level 0: No dust control measures are required due to rain, snow, little to no truck
traffic, freezing temperatures, or other conditions where no fugitive dust is
generated.
Level 1: Thislevel isthenormal ortypical dustcontrol measureuntil otherlevelsare
triggered by a monitor indicator. The water truck shall be used at this level of
dustcontrol. The Sales Road and all sections of the Main Haul Road will be
watered at least once daily. Typically, a single application of water re-
activates the dust suppressant and the silt and larger particles adhere to the
road surface.
Level 2: This level of control consists of increased watering frequency for those
locations where the monitor indicators show a high potential for fugitive dust
generation. This level will most likely be needed during high wind events or
on hot, dry days.
Level 3: This level of control consists of the use of a street sweeper or vacuum truck
to remove material (silt, sand, gravel, etc.) on the road surface in those
locations where lower levels of dust control measures have not been
effective. This level of dust control may also be required when freezing
temperatures prohibit the use of the water truck due to the creation of unsafe
driving conditions.
Fugitive Dust Control Plan - Rev. 4 Graymont Western US lnc. - Cricket Mountain Plant
4.2 Rounrue Dusr Cournol Acrrvrrres
The following dust control activities will be performed on routine basis:
o The Main Haul Road and the Sales Road will be treated with dust suppressant two
times per year.
o Roads will be watered at least once per day and on an as-needed basis unless
weather conditions make watering unnecessary (rain, damp conditions, etc.) or
create dangerous driving conditions (freezing temperatures, snow, etc.).
o The Tz-mile section of the Main Haul Road that is closestto the plantwill be swept
on an as-needed basis.
. All vehicles traveling on the Sales Road and Main Haul Road will adhere to the
posted speed limits.
5 RECORDKEEPING
Records will be maintained to demonstrate that the Fugitive Dust Control Plan has been
implemented. These records will be located in the environmental files in the Main Office
Building atthe Cricket Mountain Plant. Completed Road Dust Control Logs and Road
Opacity Monitoring Sheets will be maintained. Blank copies of the Road Dust Control Log
and Road Opacity Monitoring Form are in Appendix A and B, of this plan respectively,
Records will be maintained on site for at least 5 years in accordance with the Cricket
Mountain Plant's current Title V Operating Permit requirements and will be made available
to inspectors at their request.
6 OUALITY ASSURANCE
Annually, unless otherwise needed, this plan and the Road Dust Control Logs will be
reviewed by the Cricket Mountain Plant Manager, or the Plant Environmental/OA
Supervisor, and Graymont HSE. lf they determine that revisions to this plan are necessary,
the plan will be revised and submitted to the UDAO. The review log will be maintained in
Appendix C of this plan.
Fugitive Dust Control Plan - Rev. 4 Graymont Western US lnc. - Cricket Mountain Plant
['age I
APPENDIX A
Road Dust Control Log and lnstructions
Road Dust Control Log lnstructions
Graymont Western US lnc. - Cricket Mountain Plant
Punpose: Visual dust observations shall be used to determine the dust control measures
needed for the Sales Road and the sections of the Main Haul Road. This log
provides a record of the dust control measures implemented.
lrusrnuclolus:
1) Once each normal business day, the Ouarry Supervisor or designated alternate must
record the level of dust control implemented on that day for each section of road on
the Road Dust Control Log.
2l lf alevel 1,2,or 3wasrecorded,theactionstakenmustbeindicatedbyplacinganX
in the corresponding box or describing the actions taken if they are not listed.
Dusr Corurnol Levels:
Level 0: No dust control measures needed due to rain, snow, little or no trucktraffic,
freezing temperatures, or other conditions where no fugitive dust is occurring.
Level 1: Water truck used once per day.
Level 2: lncreased watering frequency is required (i.e., more than once per day).
Level 3: Street sweeper or vacuum truck used.
Rolo Secrorus:
Sales Road: Road between plant and highway 257
FIO-DOO: Main haul road between Poison Mountain Ouarry, Alsops Ouarry, lron
Basin Ouarry and Dolomite Ouarry (west end)
DOO-P (W): 4.1-mile section from the Dolomite Ouarry towards the Plant on the Main
Haul Road (middle section)
DOO-P (E): Yz-mile section of the Main Haul Road that is closest to the plant (east end)
REcoRDKEEPING:
Completed Road Dust Control Logs will be stored in the environmental files in the Main
Office Building.
YVYVV
GRAYI'IONT
Road Dust Control Log
Graymont Western US lnc.
Cricket Mountain Plant
DATE INITIALS
ROAD
SECTION
DUST
CONTROL
LEVEL
ACTIONS TAKEN
WATER
ONCE
PER DAY
HIGHER
WATERING
FREOUENCY
USED
STREET
SWEEPER
OTHER ACTION TAKEN -
DESCR!BE ACTION(S)
Sales Road
Fro-Doo
DOO-P (W)
DOO-P (E)
Sales Road
Fto-Doo
DOO-P (W)
DOO-P (E)
Sales Road
Fro-Doo
DOO-P (W)
DOO-P (E)
Sales Road
Fto-Doo
DOO-P (W)
DOO-P (E)
Sales Road
Fto-Doo
DOO-P (W)
DOO-P (E)
Sales Road
Fto-Doo
DOO-P (W)
DOO-P (E)
Sales Road
Fto-Doo
DOO-P (W)
DOO-P (E)
APPENDIX B
Road Opacity Monitoring Form and lnstructions
Road Opacity Monitoring lnstructions
Graymont Western US lnc. - Cricket Mountain Plant
Punpose: Road dust opacity monitoring will be conducted by a Method 9 Certified
Observer to determine the overall effectiveness of the dust control measures.
lrusrRucnorus:
1) Conduct opacity monitoring one time per week. One of the weekly monitoring events
each month must occur on the Sales Road. All other monitoring events will take place
along the Main Haul Road.
2l The weekly monitoring events must be conducted at a different location each week.
This will ensure that the dust control measures implemented at the different road
sections are effective.
3) Conduct the opacity monitoring in accordance with the following procedure and
record the information on the Road Opacity Monitoring Form.
Opacrv MonrroRruc Pnocroune:
1) Stand at least 16.5 feet fro m the sou rce (travel lane) to provid e a clear view of the
emissions with the sun oriented in the l4Gdegree sector to the back.
2l Make opacity observations so that the line of vision is approximately perpendicular to
the dust plume and wind direction. lf multiple plumes are involved, do not include
more than one plume in the line of sight at one time.
3) Record the following information on the Road Opacity Monitoring Form:
a. Fugitive dust source location
b. Method of control used.
c. Observer's name and certification data
d. A sketch of the observer's position relative to the fugitive dust source
e. Time, approximate wind direction, estimated wind speed
f . Description of the sky condition (presence and color of clouds)
g. Estimated distance to the fugitive dust source location
h. Color of the plume and type of background on the visible emission observation
form both when opacity readings are initiated and completed.
4) Make opacity observations, to the extent possible, using a contrasting background
that is perpendicular to the line of vision.
5) Make opacity observations approximately 1 meter above the surface from which the
plume is generated. Note thatthe observation is to be made at only one visual point
upon generation of a plume, as opposed to visuallytracking the entire length of a dust
plume as it is created along a surface (along the road).
6) Make two observations per vehicle, beginning the first reading at zero seconds and
the second reading at five seconds. The zero-second observation should begin
immediately after a plume has been created above the surface involved. Do not look
continuously atthe plume but, instead, observe the plume briefly at zero seconds and
then again at five seconds.
7l Record the opacity observations to the nearest 5% on Road Opacity Monitoring Form.
Each momentary observation recorded represents the average opacity of emissions
for a 5-second period.
8) Record the type of vehicles which generate the dust plumes for which readings are
taken (e.9., mid-size passenger car or heavy-duty truck) and the approximate speeds
the vehicles are traveling when readings are taken.
9) Repeat Steps 4 th rough 8 u ntil you have recorded a total of 1 2 co nsecutive opacity
readings. This will occur once six vehicles have driven on the source in your line of
observation for which you are able to take proper readings. The l2consecutive
readings must be taken within the same period of observation but must not exceed 1
hour. Observations immediately preceding and following interrupted observations
can be considered consecutive.
10) Average the 12 consecutive readings together.
iiiii
GRAYltlOtrtT
Road Opacity Monitoring Sheet
Graymont Western US lnc.
Cricket Mountain Plant
OaseRveR:OasenvarroN Dlte:
OeseRveR's SrGrunruRe:OsseRvnrron SrlRr Ttu r :
Ogsenven's CERTtFtcATtoN DATE :OBSERVATIoN EIuo TIrur:
Srcloru or Rono OsseRvrmc: ! Sl-es Rolo Mlrr Haul Roao: E %-rrrrr-e EASI END ! Mroole 4.1-rute SEcrtoN
! rto ro DOQ lurrnsecnoN (WEsr END)
FoR MA|N Hnul Rono TNDICATE DtsrANcE FRoM EASTERN CATTLE GUARD cRossrNc: MtLEs
METHoD oF coNrRoL LASr AppLrED: ! ousr SuppRrssnrut ! waren ! Srneer Clearutruc ! orHrn,
WEATHER GONDITIONS VISIBLE EMISSION OBSERVATION
Esrrrunreo wtND spEED: MtLEs pER HouR
AppRoxrruntr DlREcfloN wrND rs BLowrNG FRoM:
NWNNE
WE
SWSSE
Sxv coluorrrorus (oRcle orue):
CrenR Ovencnsr Clouov: 2Oo/o 4oo/o @o/o
8Oo/o
CoLoR oF THE PLUME Becrnrurruc:
Errrotlc:
Plume BecxcRouND (crncle orue):
BecrrururruG: Srv BERM VEGETATIoN
EruorruG: Sxv BEBM VEGETATIoN
BACKGRoUND coLoR:
DtsrANcE FRoM DUsr souRcE To oBSERVER: FEET
OPACITY OBSERVATIONS
FtRsr READTNG *
(ar zeno srcoruos)
SEcoND ReaotuG*
(AT FrvE srcouos)
Ventcle Tvpe
(Serur-rRucr, Prcrup rnucx, erc.)
APPRoxtMATE VeHrcle Speeo
(uex)
Vexrcle 1
Venrcle 2
VeHrcle 3
Venrcle 4
VrHrcle 5
VeHrcle 6
AvERAGE oF rHE 12 Renorrucs :
* Eacn READTNG REpREsENTS THE AVERAGE oPActrY oF THE EMlsslorus ron n 5-
SECOND PERIOD
* REcoRo opActry oBsERVATtoNS to tHe nraRrsr 5olo
OBSERVER'S POSITION OBSERVER'S COMMENTS
Sxercx oBSERVER's posrloN RELATIvE To rHE DUsr souRcE AND
SUN POSITION.
o12345
(Crncle suN PoslfloN)
6 7 8 9
APPENDIX C
Fugitive Dust Control Plan Annual Review Log
Fugitive Dust Control Plan Annual Review Log
Graymont Western US !nc.
Cricket Mountain Plant
;;;;;ffi
GRAYII'IONT
PLAN REVIEWED BY
PLAN REVISION(S)
NEEDED?
(Yes/No)
IF PLAN REVISED, DATE
REVISED PLAN WAS
SUBMITTED TO UDAO
7l 111 2014 Robert Covington
Robert Covington
IJ'I,,1.:1 DFF'NRTMEN
; H FJ.V|RONMENTAL et
[lAY 2O
DIVISION OFAIR OUALITY