Emission Release Point Stack or Fugitive Data

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
The owner or operator of any facility that is a source of air
contaminants shall submit a complete emission inventory annually on
forms obtained from the Division. The TAD is the form used to report
the Emissions Inventory data to Oklahoma DEQ

DEQ Form #100-730 (TAD) contains the annual emissions inventory
for a particular facility, as well as other relevant information such as
the facility location and address, ownership details, operating hours
and process rates, etc.

Redbud is the preferred method to report emissions inventories and
provides a complete printed Turn Around Document for records
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Submit by Mail
Completed
Emission
Inventory
Submitted to
DEQ
Submit Electronically
Hardcopy
TAD
Air Permit
Data
Redbud
Webfire &
AP-42 Data
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Operation &
Production
Information
Other Data
Sources
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I.
II.
III .
IV.
V.
VI.
VII.
VIII.
FACILITY DESCRIPTION
PROCESS DESCRIPTION
EQUIPMENT
AIR EMISSIONS
INSIGNIFICANT ACTIVITIES
OKLAHOMA AIR POLLUTION CONTROL
RULES
FEDERAL REGULATIONS
COMPLIANCE
IX.
SUMMARY
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 Permit writer includes initial application data
 Emission calculations and referenced sources
 Normally lists the acceptable Emission Factors
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 Emission
Units
 Stack or Emission Release Point Data
 Emission Processes
 Fuel Combustion Data
 Pollutants
 Emission Factors
 Controls
 Emission Limits
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Every emission unit must have:
 An emission release point (stack)
 At least one process
 If active, one or more pollutants
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–this emission unit operated all or part of the
calendar year (Active at anytime during the year).
–this emission unit did not operate at
all during the calendar year, but may restart at sometime in
the future (no emissions during the calendar year).
–select this status if an emission unit
has been removed, removed from service, or is permanently
shutdown (no emissions during the calendar year).
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Stack
Fugitive
Height above
ground level
Pipe work
Storage Tank
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Minerals
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 Description of each process or activity at an
emission unit
 This description is assigned by the SCC
 A single point may have two or more
processes
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From Specific Conditions:
From Permit Memorandum:
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 Sulfur %: Mass percentage of the sulfur
content in the process fuel
 Ash %: Mass percentage of the ash
content in the process fuel
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
TANKS: if over 5 tons of emissions –
separate breathing, working and flashing
losses. Under 5 tons of emissions, losses
can be combined using SCC 40400311
 ANY
EQUIPMENT that utilizes different
process material (coal, wood, natural gas)
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Contains information on all the pollutants
Includes the methods of calculation, emission
factors & units (numerator & denominator), and
the amount of emissions as calculated from the
reported activity, excess emission and control
equipment details
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 Air pollutants for which an ambient air
quality standard has been set (health based
and/or environmentally-based criteria)
 Air pollutants for which acceptable levels of
exposure can be determined (permissible
levels)
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Criteria Air Pollutants
Carbon monoxide (CO) Nitrogen oxides (NOx)
Sulfur dioxide (SO2)
Lead (Pb)
Particulate matter (PM) Ozone (O3)
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Air Toxics - Hazardous Air Pollutants (HAPs) Section 112b
http://www.deq.state.ok.us/aqdnew/toxics/index.htm
Mercury (Hg) - Mercury is a HAP in Section 112b list
http://www.epa.gov/ttn/atw/orig189.html
Ammonia - 40 CFR 51 Subpart A (CERR)
http://www.deq.state.ok.us/aqdnew/emissions/Oklahoma
EmissionsInventoryRAPreportingList.htm
For more information:
http://www.deq.state.ok.us/aqdnew/emissions/Oklahoma
RegulatedAirPollutants.htm
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Two Categories – Dependent
on Particle Size
PM-10 and PM-2.5
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"PM-10" means all particulate matter
with an aerodynamic diameter of 10
micrometers or less (fine & coarse
particle fractions combined)
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"PM-2.5" means particulate having an
aerodynamic diameter equal to or less
than 2.5 micrometers (i.e., the fine
particle fraction)
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Amt
PM-10
10
0
Amt
PM-2.5
0
2.5
10
Size (microns)
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An emission factor is a representative value that attempts
to relate the quantity of a pollutant released to the
atmosphere with an activity associated with the release of
that pollutant.
Emissions = EF x Process Rate
These factors are usually expressed as the weight of
pollutant divided by a unit weight, volume, distance, or
duration of the activity emitting the pollutant.
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
Storage Tanks - use the Software TANKS
 Landfills - use LANDGEM, a gas emissions
model
 Tank Flashing - Vasquez-Beggs equation
 Glycol Dehydrator Reboiler - GRI-GLYCalc
These are models
with formulas using multiple variables.
There is no single emission factor.
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 (d)
Method of calculation. The best
available data at the time the emission
inventory is or should have been prepared
shall be used to determine emissions
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
Stack testing plus 25% safety factor

AP-42, 7/98, Sec. 1.4 plus 25% safety
factor

Baghouse manufacturer guarantee plus
safety factor
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 AP
42, Fifth Edition
Compilation of Air Pollutant Emission Factors,
Volume 1: Stationary Point and Area Sources
http://www.epa.gov/ttn/chief/ap42/index.html
 WebFIRE
http://cfpub.epa.gov/webfire/index.cfm
 Stack
Testing
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
Actual amount (%) of air emissions
prevented from being emitted by a
control approach
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
Capture efficiency:
The percentage of air emission that is
directed to the control equipment
If emissions escape prior to the
control device, these should be
accounted for in the total actual
emissions amount.
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Allowed Emissions (tpy): The total amount of any
regulated air pollutant which is subject to an
emissions limiting standard, either by rule or permit
condition contained in an enforceable permit or
potential to emit, or for grandfathered sources,
emission limits based on maximum design capacity
and considering all applicable rules.
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If a process emits pounds or more
of a regulated air pollutant (≥ 0.001 tons)
Please Report Them!!
Trace (<0.001 TPY): Use the Trace check box to
indicate annual emissions have been calculated but are
less than 0.001 Tons (2.0 lbs).
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What should be reported?
All Actual Emissions
not
Permit limits
or
Potential to Emit Values
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Yes, Report the following:

Emissions that are in excess of a
permit or other such limit should be
reported in the excess emission field

However, ALL actual emissions must
be reported in the total emissions field
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Oklahoma Administrative Code (OAC) 252:100
Subchapter 5 – Emissions Inventory
Permit Exempt and De Minimus Facilities
not required to submit
Subchapter 7 – Minor Permits
Subchapter 8 – Major Permits
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Remember
Air Quality Rules
Always Apply
http://www.deq.state.ok.us/mainlinks/deqrules.htm
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