DEQ-CFW_00088128

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Facility Name: DuPont Company — Fayetteville Works
22828 NC Highway 87 West
Fayetteville, NC 28302
Facility ID : 0900009
Permit: 03735
County: Bladen
DAQ Region : FRO
North Carolina Department of Environment and Natural Resources
Division of Air Quality
Air Pollutant Point Source Emissions Inventory — Calendar Year 2004
1. Emission Source ID (from permit) or U—Lab
Emission Source Group ID
2. Emission Source Description: Sitewide Laboratory Emissions
3. Operating Scenario ID/Description: OS — 39/Emissions of chemicals from laboratories throughout the site.
4. SCC Number/Description: 30199998/*Other Organic Chemica Manufacture Not Listed
5. Throughput/units in 2004: 10000 LB/yr
(e.g. production or fuel use):
6. Fuel Information (If fuel is used)
/o Sulfur
/o Ash
Heat Content
Btu/units
7. Capture Efficiency
(% of Emissions from this Process Vented to Control 100
Device or Stack):
. Control Device Information :None
Order
CS —ID
CD ID
as listed inpermit)
Control Device Description
F-_F
I I
9. Fmicsinn Release Point (F+',RPI Information: Nnure.es vented to mare than one RRP ace additional entry line.)-
ERP ID
ERP Type
Height
Diameter
Temperature
Velocity
Volume Flow
ERP Description
(in feet)
Circle (enter #):
(F)
(Feet/sec)
Rate (Acfm)
Rectangle (L x W)
(in 0.1 feet)
VERTICAL STACK
Laboratory Hood
EP—Labs
WITH RAIN CAP
20
0.25
78
20
58.9
Exhausts throughout
the Site
75
DEQ-CFW 00088128

Operating Scenario: OS — 39
Emission Source/Group ID: U—Lab
*. Operating Schedule: (Source/Operating Scenario that best characterizes Calendar Year 2004)
ours per Day ( 24 ) Days per Week ( 7 ) Weeks per Year ( 52 )
4
11. Typical Start & End Times For Operating Scenario: Start: 0 End: 2359
12. Seasonal Periods Percent Annual Throughput:
an —Feb + Dec
arch —May
une—Aug.
ept.—Nov.
25%
1
25%
1
�004
25%
1
�004
25%
2004
004
13. Actual Emissions per Pollutant Listed
Attach calculations and documentation of emission factors or other estimation methods used.
Emissions—
Emission Estimation
Criteria
Control Efficiency
pollutant Code
Criteria Pollutants
Method Code
(NAAQS) Pollutants
(Net after all controls)
Tons/Year
(See Instructions)
2004
VOC
VOC
0.2
03
HAP/TAP Pollutants (In Alphabetical
CAS
Emissions
Emission Estimation
Control Efficiency
Order)
(see instructions)
RAP/TAPS
Method Code
(Net after all controls)
(Pounds/Year)
(See Instructions)
2004
Acetic acid
64-19-7
258
03
Benzene
71-43-2
1
03
Bromine
7726-95-6
17
03
CFC-113
(Trichloro-1,2,2—trifluoroethane,
76-13-1
6229
03
112—
Ethylene dichloride
107-06-2
132
03
1 2—dichloroethane
Hydrogen chloride (hydrochloric
7647-01-0
80
03
acid
Nitric acid
7697-37-2
87
03
Toluene
108-88-3
31
03
•
76
DEQ-CFW 00088129