[Code of Federal Regulations]
[Title 40, Volume 2]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR51.45]
[Page 134-138]
TITLE 40--PROTECTION OF ENVIRONMENT
CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
PART 51--REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF
IMPLEMENTATION PLANS--Table of Contents
Subpart A--Emission Inventory Reporting Requirements
Sec. 51.45 Where should my State report the data?
(a) Your State submits or reports data by providing it directly to
EPA.
(b) The latest information on data reporting procedures is available
at the following Internet address: http://www.epa.gov/ttn/chief.
You may also call our Info CHIEF help desk at (919)541-1000 or email
to info.chief@epa.gov.
Appendix A to Subpart A of Part 51--Tables and Glossary
Table 1--Minimum Point Source Reporting Thresholds by Pollutant(tpy \1\)
----------------------------------------------------------------------------------------------------------------
Three-year cycle
Pollutant Annual cycle --------------------------------------------------------
(type A sources) Type B sources \2\ NAA \3\
----------------------------------------------------------------------------------------------------------------
1. SOx............................. [ge]2500 [ge]100 [ge]100
2. VOC............................. [ge]250 [ge]100 03 (moderate)[ge]100
3. VOC............................. .................. .................. O3 (serious)[ge]50
4. VOC............................. .................. .................. O3 (severe)[ge]25
5. VOC............................. .................. .................. O3 (extreme)[ge]10
6. NOX............................. [ge]2500 [ge]100 [ge]100
7. CO.............................. [ge]2500 [ge]1000 O3 (all areas)[ge]100
8. CO.............................. .................. .................. CO (all areas)[ge]100
9. Pb.............................. .................. [ge]5 [ge]5
10. PM10........................... [ge]250 [ge]100 PM1010 (moderate)[ge]100
11. PM10........................... .................. .................. PM10 (serious)[ge]70
12. PM2.5.......................... [ge]250 [ge]100 [ge]100
13. NH3............................ [ge]250 [ge]100 [ge]100
----------------------------------------------------------------------------------------------------------------
\1\ tpy = tons per year of actual emissions.
\2\ Type A sources are a subset of the Type B sources and are the larger emitting sources by pollutant.
\3\ NAA = Nonattainment Area. Special point source reporting thresholds apply for certain pollutants by type of
nonattainment area. The pollutants by nonattainment area are: Ozone: VOC, NOX, CO; CO: CO; PM10: PM10.
Table 2a--Data Elements That States Must Report for Point Sources
------------------------------------------------------------------------
Every 3 years
Data elements Annual (Type A (Type B sources
sources) and NAAs)
------------------------------------------------------------------------
1. Inventory year............... [bcheck] [bcheck]
2. Inventory start date......... [bcheck] [bcheck]
3. Inventory end date........... [bcheck] [bcheck]
4. Inventory type............... [bcheck] [bcheck]
5. State FIPS code.............. [bcheck] [bcheck]
6. County FIPS code............. [bcheck] [bcheck]
7. Facility ID code............. [bcheck] [bcheck]
8. Point ID code................ [bcheck] [bcheck]
9. Process ID code.............. [bcheck] [bcheck]
10. Stack ID code............... [bcheck] [bcheck]
11. Site name................... [bcheck] [bcheck]
12. Physical address............ [bcheck] [bcheck]
13. SCC or PCC.................. [bcheck] [bcheck]
14. Heat content (fuel) (annual [bcheck] [bcheck]
average).......................
15. Ash content (fuel) (annual [bcheck] [bcheck]
average).......................
16. Sulfur content (fuel) [bcheck] [bcheck]
(annual average)...............
17. Pollutant code.............. [bcheck] [bcheck]
18. Activity/throughput (annual) [bcheck] [bcheck]
19. Activity/throughput (daily). [bcheck] [bcheck]
20. Work weekday emissions...... [bcheck] [bcheck]
21. Annual emissions............ [bcheck] [bcheck]
22. Emission factor............. [bcheck] [bcheck]
23. Winter throughput (%)....... [bcheck] [bcheck]
24. Spring throughput (%)....... [bcheck] [bcheck]
25. Summer throughput (%)....... [bcheck] [bcheck]
26. Fall throughput (%)......... [bcheck] [bcheck]
27. Hr/day in operation......... [bcheck] [bcheck]
28. Start time (hour)........... [bcheck] [bcheck]
29. Day/wk in operation......... [bcheck] [bcheck]
30. Wk/yr in operation.......... [bcheck] [bcheck]
31. X stack coordinate .................. [bcheck]
(latitude).....................
32. Y stack coordinate .................. [bcheck]
(longitude)....................
33. Stack Height................ .................. [bcheck]
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34. Stack diameter.............. .................. [bcheck]
35. Exit gas temperature........ .................. [bcheck]
36. Exit gas velocity........... .................. [bcheck]
37. Exit gas flow rate.......... .................. [bcheck]
38. SIC/NAICS................... .................. [bcheck]
39. Design capacity............. .................. [bcheck]
40. Maximum namemplate capacity. .................. [bcheck]
41. Primary control eff (%)..... .................. [bcheck]
42. Secondary control eff (%)... .................. [bcheck]
43. Control device type......... .................. [bcheck]
44. Rule effectiveness (%)...... .................. [bcheck]
------------------------------------------------------------------------
Table 2b--Data Elements that States Must Report for Area and Nonroad
Mobile Sources
------------------------------------------------------------------------
Every 3
Data elements years
------------------------------------------------------------------------
1. Inventory year......................................... [bcheck]
2. Inventory start date................................... [bcheck]
3. Inventory end date..................................... [bcheck]
4. Inventory type......................................... [bcheck]
5. State FIPS code........................................ [bcheck]
6. County FIPS code....................................... [bcheck]
7. SCC or PCC............................................. [bcheck]
8. Emission factor........................................ [bcheck]
9. Activity/throughput level (annual)..................... [bcheck]
10. Total capture/control efficiency (%).................. [bcheck]
11. Rule effectiveness (%)................................ [bcheck]
12. Rule penetration (%).................................. [bcheck]
13. Pollutant code........................................ [bcheck]
14. Summer/winter work weekday emissions.................. [bcheck]
15. Annual emissions...................................... [bcheck]
16. Winter throughput (%)................................. [bcheck]
17. Spring throughput (%)................................. [bcheck]
18. Summer throughput (%)................................. [bcheck]
19. Fall throughput (%)................................... [bcheck]
20. Hrs/day in operation.................................. [bcheck]
21. Days/wk in operation.................................. [bcheck]
22. Wks/yr in operation................................... [bcheck]
------------------------------------------------------------------------
Table 2c--Data Elements that States Must Report for Onroad Mobile
Sources
------------------------------------------------------------------------
Every 3
Data elements years
------------------------------------------------------------------------
1. Inventory year......................................... [bcheck]
2. Inventory start date................................... [bcheck]
3. Inventory end date..................................... [bcheck]
4. Inventory type......................................... [bcheck]
5. State FIPS code........................................ [bcheck]
6. County FIPS code....................................... [bcheck]
7. SCC or PCC............................................. [bcheck]
8. Emission factor........................................ [bcheck]
9. Activity (VMT by Roadway Class)........................ [bcheck]
10. Pollutant code........................................ [bcheck]
11. Summer/winter work weekday emissions.................. [bcheck]
12. Annual emissions...................................... [bcheck]
------------------------------------------------------------------------
Table 2d--Data Elements that States Must Report for Biogenic Sources
------------------------------------------------------------------------
Every 3
Data elements years
------------------------------------------------------------------------
1. Inventory year......................................... [bcheck]
2. Inventory start date................................... [bcheck]
3. Inventory end date..................................... [bcheck]
4. Inventory type......................................... [bcheck]
5. State FIPS code........................................ [bcheck]
6. County FIPS code....................................... [bcheck]
7. SCC or PCC............................................. [bcheck]
8. Pollutant code......................................... [bcheck]
9. Summer/winter work weekday emissions................... [bcheck]
10. Annual emissions...................................... [bcheck]
------------------------------------------------------------------------
Glossary
Activity rate/throughput (annual)--A measurable factor or parameter
that relates directly or indirectly to the emissions of an air pollution
source. Depending on the type of source category, activity information
may refer to the amount of fuel combusted, raw material processed,
product manufactured, or material handled or processed. It may also
refer to population, employment, number of units, or miles traveled.
Activity information is typically the value that is multiplied against
an emission factor to generate an emissions estimate.
Activity rate/throughput (daily)--The beginning and ending dates and
times that define the emissions period used to estimate the daily
activity rate/throughput.
Annual emissions--Actual emissions for a plant, point, or process--
measured or calculated that represent a calendar year.
Area sources--Area sources collectively represent individual sources
that have not been inventoried as specific point, mobile, or biogenic
sources. These individual sources treated collectively as area sources
are typically too small, numerous, or difficult to inventory using the
methods for the other classes of sources.
Ash content--Inert residual portion of a fuel.
Biogenic sources--Biogenic emissions are all pollutants emitted from
non-anthropogenic sources. Example sources include trees
[[Page 136]]
and vegetation, oil and gas seeps, and microbial activity.
Control device type--The name of the type of control device (e.g.,
wet scrubber, flaring, or process change).
County FIPS Code--Federal Information Placement System (FIPS) is the
system of unique numeric codes the government developed to identify
States, counties and parishes for the entire United States, Puerto Rico,
and Guam.
Day/wk in operations--Days per week that the emitting process
operates--average over the inventory period.
Design capacity--A measure of the size of a point source, based on
the reported maximum continuous capacity of the unit.
Emission factor--Ratio relating emissions of a specific pollutant to
an activity or material throughput level.
Exit gas flow rate--Numeric value of stack gas's flow rate.
Exit gas temperature--Numeric value of an exit gas stream's
temperature.
Exit gas velocity--Numeric value of an exit gas stream's velocity.
Facility ID code--Unique code for a plant or facility, containing
one or more pollutant-emitting sources. This is the data element in
Appendix A, Table 2a, that is defined elsewhere in this glossary as a
``point source''.
Fall throughput(%)--Part of the throughput for the three Fall months
(September, October, November). This expresses part of the annual
activity information based on four seasons--typically spring, summer,
fall, and winter. It can be a percentage of the annual activity (e.g.,
production in summer is 40% of the year's production) or units of the
activity (e.g., out of 600 units produced, spring = 150 units, summer =
250 units, fall = 150 units, and winter = 50 units).
Heat content--The amount of thermal heat energy in a solid, liquid,
or gaseous fuel. Fuel heat content is typically expressed in units of
Btu/lb of fuel, Btu/gal of fuel, joules/kg of fuel, etc.
Hr/day in operations--Hours per day that the emitting process
operates--average over the inventory period.
Inventory end date--Last day of the inventory period.
Inventory start date--First day of the inventory period.
Inventory type--Type of inventory represented by data (i.e., point,
3-year cycle, daily).
Inventory year--The calendar year for which you calculated emissions
estimates.
Lead (Pb)--As defined in 40 CFR 50.12, lead should be reported as
elemental lead and its compounds.
Maximum nameplate capacity--A measure of a unit's size that the
manufacturer puts on the unit's nameplate.
Mobile source--A motor vehicle, nonroad engine or nonroad vehicle.
A ``motor vehicle'' is any self-propelled vehicle used to
carry people or property on a street or highway.
A ``nonroad engine'' is an internal combustion engine
(including fuel system) that is not used in a motor vehicle or vehicle
only used for competition, or that is not affected by sections 111 or
202 of the CAA.
A ``nonroad vehicle'' is a vehicle that is run by a nonroad
engine and that is not a motor vehicle or a vehicle only used for
competition.
PM (Particulate Matter)--Particulate matter is a criteria air
pollutant. For the purpose of this subpart, the following definitions
apply:
(1) Primary PM: Particles that enter the atmosphere as a direct
emission from a stack or an open source. It is comprised of two
components: Filterable PM and Condensible PM. (As specified in
Sec. 51.15 (a)(2), these two PM components are the components measured
by a stack sampling train such as EPA Method 5 and have no upper
particle size limit.)
(2) Filterable PM: Particles that are directly emitted by a source
as a solid or liquid at stack or release conditions and captured on the
filter of a stack test train.
(3) Condensible PM: Material that is vapor phase at stack
conditions, but which condenses and/or reacts upon cooling and dilution
in the ambient air to form solid or liquid PM immediately after
discharge from the stack.
(4) Secondary PM: Particles that form through chemical reactions in
the ambient air well after dilution and condensation have occurred.
Secondary PM is usually formed at some distance downwind from the
source. Secondary PM should NOT be reported in the emission inventory
and is NOT covered by this subpart.
(5) Primary PM2.5: Also PM2.5 (or Filterable
PM2.5 and Condensible PM individually. Note that all
Condensible PM is assumed to be in the PM2.5 size fraction)--
Particulate matter with an aerodynamic diameter equal to or less than
2.5 micrometers.
(6) Primary PM10: Also PM10 (or Filterable
PM10 and Condensible PM individually)--Particulate matter
with an aerodynamic diameter equal to or less than 10 micrometers.
PCC--Process classification code. A process-level code that
describes the equipment or operation which is emitting pollutants. This
code is being considered as a replacement for the SCC.
Physical address--Street address of a facility. This is the address
of the location where the emissions occur; not, for example, the
corporate headquarters.
Point ID code--Unique code for the point of generation of emissions,
typically a physical piece of equipment.
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Point source--Point sources are large, stationary (non-mobile),
identifiable sources of emissions that release pollutants into the
atmosphere. As used in this rule, a point source is defined as a
facility that annually emits more than a ``threshold'' value as defined
under Sec. 51.20.
Pollutant code--A unique code for each reported pollutant assigned
in the Emission Inventory Improvement Program (EIIP) Data Model. The
EIIP model was developed to promote consistency in organizations sharing
emissions data. The model uses character names for criteria pollutants
and Chemical Abstracts Service (CAS) numbers for all other pollutants.
You may be using SAROAD codes for pollutants, but you should be able to
map them to the pollutant codes in the EIIP Data Model.
Process ID code--Unique code for the process generating the
emissions, typically a description of a process.
Roadway class--A classification system developed by the Federal
Highway Administration that defines all public roadways as to type.
Currently there are four roadway types: (1) Freeway, (2) freeway ramp,
(3) arterial/collector and (4) local.
Rule effectiveness (RE)--How well a regulatory program achieves all
possible emission reductions. This rating reflects the assumption that
controls typically aren't 100 percent effective because of equipment
downtime, upsets, decreases in control efficiencies, and other
deficiencies in emission estimates. RE adjusts the control efficiency.
Rule penetration--The percentage of an area source category covered
by an applicable regulation.
SCC--Source classification code. A process-level code that describes
the equipment and/or operation which is emitting pollutants.
Seasonal activity rate/throughput--A measurable factor or parameter
that relates directly or indirectly to the pollutant season emissions of
an air pollution source. Depending on the type of source category,
activity information may refer to the amount of fuel combusted, raw
material processed, product manufactured, or material handled or
processed. It may also refer to population, employment, number of units,
or miles traveled. Activity information is typically the value that is
multiplied against an emission factor to generate an emissions estimate.
Seasonal fuel heat content--The amount of thermal heat energy in a
solid, liquid, or gaseous fuel used during the pollutant season. Fuel
heat content is typically expressed in units of Btu/lb of fuel, Btu/gal
of fuel, joules/kg of fuel, etc.
Secondary control eff (%)--The emission reduction efficiency of a
secondary control device. Control efficiency is usually expressed as a
percentage or in tenths.
SIC/NAICS--Standard Industrial Classification code. NAICS (North
American Industry Classification System) codes will replace SIC codes.
U.S. Department of Commerce's code for businesses by products or
services.
Site name--The name of the facility.
Spring throughput (%)--Part of throughput or activity for the three
spring months (March, April, May). See the definition of Fall
Throughput.
Stack diameter--A stack's inner physical diameter.
Stack height--A stack's physical height above the surrounding
terrain.
Stack ID code--Unique code for the point where emissions from one or
more processes release into the atmosphere.
Start time (hour)--Start time (if available) that you used to
calculate the emissions estimates.
State FIPS Code--Federal Information Placement System (FIPS) is the
system of unique numeric codes the government developed to identify
States, counties and parishes for the entire United States, Puerto Rico,
and Guam.
Sulfur content--Sulfur content of a fuel, usually expressed as
percent by weight.
Summer throughput(%)--Part of throughput or activity for the three
summer months (June, July, August). See the definition of Fall
Throughput.
Summer/winter work weekday emissions--Average day's emissions for a
typical day. Ozone daily emissions = summer work weekday; CO and PM
daily emissions = winter work weekday.
Total capture/control efficiency--The emission reduction efficiency
of a primary control device, which shows the amount controls or material
changes reduce a particular pollutant from a process' emissions. Control
efficiency is usually expressed as a percentage or in tenths.
Type A source--Large point sources with actual annual emissions
greater than or equal to any of the emission thresholds listed in Table
1 for Type A sources.
Type B source--Point sources with actual annual emissions during any
year of the three year cycle greater than or equal to any of the
emission thresholds listed in Table 1 for Type B sources. Type B sources
include all Type A sources.
VMT by Roadway Class--Vehicle miles traveled (VMT) expresses vehicle
activity and is used with emission factors. The emission factors are
usually expressed in terms of grams per mile of travel. Because VMT
doesn't correlate directly to emissions that occur while the vehicle
isn't moving, these nonmoving emissions are incorporated into the
emission factors in EPA's MOBILE Model.
VOC--Volatile Organic Compounds. The EPA's regulatory definition of
VOC is in 40 CFR 51.100.
[[Page 138]]
Winter throughput (%)--Part of throughput or activity for the three
winter months (December, January, February, all from the same year,
e.g., Winter 2000 = January 2000 + February, 2000 + December 2000). See
the definition of Fall Throughput.
Wk/yr in operation--Weeks per year that the emitting process
operates.
Work Weekday--Any day of the week except Saturday or Sunday.
X stack coordinate (latitude)--An object's north-south geographical
coordinate. Y stack coordinate (longitude)--An object's east-west
geographical coordinate.
Subparts B--E [Reserved]