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GUIDELINE SERIES
OAQPS NO. 1.2-009
EPA NEDS PROCEDURES
Responsibilities and Procedures for
Internal Semiannual Reports Activities
Required NEDS Update Procedures
US. ENVIRONMENTAL PROTECTION AGENCY
Office of Air Quality Planning and Standards
Research Triangle Park, North Carolina
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Responsibilities and Procedures for Internal Semiannual
Reports Activities
These procedures outlined below are applicable for the first
semiannual report activities pertaining to the emissions reporting of
sources (or points) achieving a final compliance requirement in the
reporting period or since approval of the implementation plan or
applicable portion thereof, plus those sources which were new or modi-
fied and whose operation uegan in the reporting period and those
which ceased operations during the reporting period.
A. Sources Under State Jurisdiction
1. The Division of Stationary Source Enforcement (DSSE)
will generate a computer tape (from CDS) identifying known sources
achieving a final compliance requirement in the reporting period
according to a state's compliance schedule. Before sixty days prior
to the report date the tape will be forwarded to the NADB for NEDS
processing.
2. From the information provided above the NADB will cen-
erate computer printouts, original and one copy, of the current NEDS
sources records effected. Approximately forty-five days prior to the
report date these source records will be forwarded to the Regional
NEDS contacts.
3. Upon receipt, the Regional NEDS contacts should distribute
these NECS records to the appropriate state air pollution control
agencies.
4. State air pollution control agencies should update
(see required NEDS Update Procedure) the NEDS source records.
These, in turn, will become a part of the state's semiannual progress
report, due the last clay of the reporting period.
5. Upon receipt of the emission portion of a state's
report: v
a. i-f the report is a computer card deck or tape it may
be forwarded directly to the NADB for NEDS editing and processing;
5. if the roport is NEDS fom:s , marked-up fiCDS com-
puter printouts or other, coding and keypunching is required, after
which activity records should be forwarded to NADB for NEDS editing
and processing no later than forty-five days after the end of the
reporting period.
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6. All input which has undergone-editing routines will
be returned to the NEDS contacts along with indication as to whether
or not the editing and validation were successful. The NEDS contacts
will then be requested to further vrilid.vle those data which passed
and to correct and resubmit those data which did not
B. Sources Undor_J:e_dcraJ_J_uTisdi_cticm
1 .The Division of Stationary Source Enforcement will generate
a separate list for sources achieving final coivpli a nee that are
federally controlled. Dependent upon volume, a tape tray be provided.
Before sixty days prior to the report date, the tape must be forwarded
to the MADB for NEDS processing.
2. Fron the information provided above the NAD!'; will gen-
erate computer pri-iiouts., original and one copy, of the current NEDS
sources record:.- cficctec. Approximately forty-five days prior to
the report date source records will be forwarded to the Regional
NEDS contacts.
i
3. Upon receipt, NEDS contacts trust r-ako c'pprnnri otc dis-
tribution to responsible Regional Office personnel rmriitoring
Federally controlled sources.
4. Dependent upon normal operating procedures, emission
records should be updated and returned to t!ic NEDS contact.
(Proposed procedures for use of APER fc-nrs in conjunction with
seir.i annual repc.rting are being drafted and will be forwarded for
review at a later date).
5. Upon receipt of this report:
a. if the report is a computer c,::r.d deck or tape, it
tray be forwarded directly to the MAD I1, for NEDS editing and processing;
b. if the report is NEDS fonts, irarked~up NLDS com-
puter printouts or other, coding and keypunching is required^ after
which activity records should be forwarded to NADD for NEDS editing
and processing no later than forty-five days after the end of the
reporting period.
6. All input which has undergone editing routines will be
returned to the NEDS contacts along with indication as to whether or
not the editing and validation were successful. The NEDS contacts
will then be requested to further validate those data which passed
and to correct and resubmit those data which did not.
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C • !''£w_ 9JLJ1°A'LD' .9 cLSoy rccs and Sources Ceasj IKJ Operation
Sources falling into the above categories should follow the
some routing as those covered in Section A. There will, however,
be no Ni.DS point S(.n;rce listing from which to begin. The specific:
instructions belov/will apply:
1 • '' n1 fd soJrcRs beginning oerations durinn the
..
jep_ortino_p_enpd should be entered into NEDS following established
standardized procedures as deliniated in the Publication APTD-1135,
''Guide for Compiling a Coi-.prdKrisi ve Emission Inventory." NECS
forms thus completed should be keypunched before submission to NADB
for editing and processing.
.i0."'1".^^ f o_r_ wh_i ch yp___ __ _
given but at v/hich operation has not begun should be reported
ecf.orcina to the nrr-edures defined in C-l above, with the followinn
EXCEPTION:
Card 4, spaces 66-70 should be completed with a "6", a
new cede added to N!"D5> to define new non-operating sources.
The emission estimate calculated automatically by NEDS will
be zer.Oj until so;iie future date when the plant starts operation and
the estimation method code is change! appropriately.
3. Sources coasino oporations_ durinn tiie reportinc period
should not Lc deleted fror.; ili.ic . Instead, a code "7" should be
utilized on Care! f[ , spaces 6G-70 of tiic h'EDS form using the chancje
procedures derinee in "Required Update Procedures for NEDS." The
code "7" will cause an automatic calculation of emissions ar zero.
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PILL o-!'• i M.' ON FHIUAY AUGUST 17, is>;3 . • •
NATIONAL EMISSION DATA SYSTEM
POINT SOURCE LISTING
STATF. (3?): \f.W .••t;XICO A.1CRI014): FoUH CORNERS (4 S12-COLO-N. M. -u7 AH) CITY!
COUNTY : 1'JOO) : SAN JUAN CO PLANT IP! 0003 POINT ID: Cb
-'fi-iOiMrS^: PLATEAU INC
SOVA! CQ'-TACT: •
SIC (3911): PETROLEUM./!^ INIXG
SCCd-CJ-OOh-03) : EXTCOM3 UOILER -INDUSTRIAL / -MATU-->AL GAS
GKNFwr-L If-F.'iHMATIllN
O-»«9<>4}oi>« oa^* atif>i>«oo«
FUEL SULF'.i-1 CONTFN'T: 0.01 S
FUEL As-i CONTENT: oo.c ^
FUEL HEAT CON-TENT: 890
HAND CALCULATED ErtISSlG.->fciI>VATES
PAP.T1CULATE : \ 0 l^:NS/Yrt
SOX: \ /Tr.\s/Yr<
M(!X: ^^V" TO.'iS/Yw
( ~^~^\^ CO: | 0 TO.'-.S/YR
\t.-.! ss i CN >k: -^ T i ON ^T^C.DS
\f-ARS. EMISSION FACTOR ( AP-4i; 0" PENDING)
\ .SOX iXF^MtSSIOM F ACTOH1 A^-42 f!R PENDING)
\NOX ti'M^SluN F iCTOW ( A°--"•; NLi I-'G )
^ CO EMISSION FACTOHtAP-^? OH PENDING)
CiTION | COriT-vfiL.
^coo<» j trFICIt^CIES
"ENT ! PART: .CG.C %
1
WENT 1
MtNT I SOX: 00.0 %
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M£i\iT I fjOX; 00.0 '-(,
1
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WENT 1 HC: 00.0 *
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t Q ? f " P ' ^ I '• j H A T r '•>
( AMN'JAL OPtrlATIMG KATE: ;
1
! fiOU-'L'f MftXM L'tlSioN ^ATt:
1
. 1 iOlLi.V OESir,,\ Ci.:3i.CITY:
LI-ION B7U/«lLL10:,' CUjiC FEET tsU«.\ED
ALLOWABLE EMISSIONS
PAWTICULATF:: TOXS/YR
sox: o TONS/YR
HC: TOMS/YM
CO: TONS/YR
COMPUTED CALCULATED Ef-.IL-SICNS
PART: <1 TONS/YS
sov:
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Required NEDS Update Procedures
Periodic updating will be necessary to Insure that the data 1n the
National Emission Data System are current and as correct as possible,
Any new information or change will be submitted by the State Agencies
at least as often as che semiannual report. After the information is
coded and submitted by the State through the Regional Offices for editing
and validation, the information will be reviewed and included in NEDS by
National Air Data Branch (formerly National Source Inventory Section)
personnel.
The three processes included in the update procedure are: DELETION,
CHANGE, and ADDITION. The DELETION procedure is utilized to delete any
plant, point within a plant, or process within a plant which is invalid
on the data bank. The CHANGE procedure is utilized to change any data
field in an existing record on the data bank. The ADDITION procedure is
utilized to add a new point, plant, or process to the data bank. A more
complete explanation on each procedure including the exact coding follows.
If the DELETES, CHANGES, and ADDITIONS are coded correctly, the three
types of coding do not need to be separated as they can be handled during
the same computer run. The procedures are performed on any given plant,
point, or SCC in the following order: DELETE, CHANGE, and ADD. A DELETION
and ADDITION of the same card or cards within a point will be done on the
same run. A DELETION and CHANGE of the same card cannot be handled on the
same run. However, CHANGE and ADDITION of the same card cannot be handled
on the same run as this would result in duplicate cards.
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The update procedure which 1s performed 1s determined by the entry 1n
column 78 on each card. If a D 1s coded and punched 1n column 78, the
DELETE procedure will be activated; 1f a C 1s coded, the CHANGE procedure
will be activated; and 1f an A 1s coded, the ADDITION procedure will be
activated. For these reasons, the correct action code (D, C, or A) must be
coded in column 78.
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DELETION PROCEDURE
The DELETION procedure 1s utilized to:
1. DELETE any plant, point within a plant, or process within a point which
has incorrect identification. If a plant was initially located in the wrong
state, AQCR, or county, the identification would be incorrect. Also, if a
point or process was incorrectly coded, the identification would be incorrect.
2. DELETE an incorrect SCC by deleting a card 6 and re-add the correct card 6
in the same computer run.
3. DELETE an incorrect data field when the field should be blank. If the
incorrect data field is on cards 2-5, card 2 would be deleted and the complete
point (cards 2-6) re-added with'the incorrect data field left blank. If the
Incorrect data field is on card 6, card 6 would be deleted and re-added with
the incorrect data field left blank.
4. DELETE a point or points when a change is made in the field for Points
With Common Stack (card 2, columns 56-59). After the point or points are
deleted, with a card 2 deletion, they must be re-added with all cards (2-6).
The DELETION Procedure is set up so that only a card 1, 2, or 6 is
deleted. The deletion of a card 1 removes the complete plant from the
master file, the deletion of a card 2 removes that specific point from the
master file, and the deletion of a card 6 removes that specific process from
the master file.
Use the following specific procedures and a blank NEDS Form (OMB No.
158-R009S) to DELETE any information from the master file:
1. To DELETE an entire plant, complete the identification columns (1-13)
for that specific plant and enter a D in columns 78 for card 1.
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2. To DELETE a specific point, complete the Identification columns 0-15)
for that specific point and enter D 1n column 78 for card 2.
3. To DELETE a specific process, complete the Identification columns
(1-15 and 18-25) for that specific process and enter D In column 78 for
card 6.
4. Mark the card on which the DELETE occurs with an asterisk (*) in the
margin of the form so only that card will be keypunched.
CAREFULLY NOTE:
Care must be exercised to insure that only the desired plants, points,
or SCC's are deleted. Once the DELETE has been completed, retrieval of
lost data would be impossible. To make sure that the correct identification
1s used, a current NEDS Point Source Printout should be used to double
check the identification.
•
Figure 1 is an example of a possible point source forms in NEDS.
Figure 2 is a point source form with columns 1-15 and 78-80 completed
for card 2. This coded card would DELETE the point from the master file.
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CHANGE PROCEDURE
The CHANGE procedure 1s utilized to:
1. CHANGE any data fields, except Points With Common Stack, which were
blank or incorrect on the NEDS point source.
2. CHANGE any data field, except Points with common stack, which has
changed as a result of a process change, a design change, or an operating
rate change.
The CHANGE procedure 1s set up so that any data field on cards 1-6
can be changed. Only the data field which is to be changed should be
coded to reduce both coding errors and keypunch errors. The changes
must be consistent with all coding procedures as presented in Chapter 4
of "Guide for Compiling a Comprehensive Emission Inventory," APTD-1135.
Use the following specific procedures and a blank NEDS Form to
CHANGE any data field in a point source record on this master file:
1. Complete only the card on which the CHANGE is coded.
2. Code only the complete data field which contains the CHANGE using coding
procedures as presented in APTD-1135.
3. Complete columns 1-13 for card 1, columns 1-15 and 56-59 for cards 2,
columns 1-15 for cards 3-5, and columns 1-15 and .18-25 for card 6 with the
Identification as taken from the NEDS Point Source Printout.
4. Change the action code in column 78 from an A to a C or if column 78 is
blank, enter a C.
5. Mark the card on which the CHANGE occurs with an asterisk (*) in the
margin of the form so only that card will be keypunched.
CAREFULLY MOTE:
/
Care must be exercised to Insure that only the desired data field is
-------
changed and that the correct point source Identification has been used.
Card 4 of Flpure 10-2 aives an example of a change in NO emissions.
n
The change is coded by completing the point source identification
(columns 1-15), completing the emission estimate for NO (145 T/Y), and
"
placing a C for CHANGE in column 78.
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ADDITION PROCEDURE
The ADDITION procedure 1s used to add new plants, pofnts within
existing plants, or processes within a given point. The standard NEDS
point source form and the coding procedures as presented In Chapter 4
of "Guide for Compiling a Comprehensive Emission Inventory," APTD-1135
will be used.
The only problem which could result from ADDITION of new points 1s
a duplicate record. A current point source listing should be used to
obtain the identification for plants currently in NEDS. New plant Identi-
fication numbers will be assigned by the NEDS contact 1n each EPA
Regional Office.
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