DuPont LaPlace

NEI Site ID Facility

Name Emission

Unit ID Process ID Emission Release Point ID Emission

Release Point Type Code Emission

Release Point Type Description Emission

Release Point Type Revised SCC Code* Start Date End Date Start Date Revised End Date

Revised Pollutant

Code Pollutant

Code Revised Pollutant

Description Pollutant

Description Revised Emissions

(TPY) Emissions

(TPY) Revised Routine

Emissions Max Hourly (lbs/hr) Startup

Emissions (TPY) NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE MANH78 MANH78 1700-1 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.38 0.241 0.27 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE MANH78 MANH78 1700-1 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 2.42 1.541 1.75 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE PK13 PK13 170013 02 VERTICAL 30102625 20020101 20021231 108883 Toluene 0.79 0.502 0.21 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE PK13 PK13 170013 02 VERTICAL 30102625 20020101 20021231 126998 Chloroprene 5.82 3.701 1.56 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE SOLUTN SOLUTN 170014 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 0.37 0.341 0.09 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE SOLUTN SOLUTN 170014 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.12 0.046 0.49 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE STRIPR STRIPR 1700-2 02 VERTICAL 30102625 20020101 20021231 126998 Chloroprene 17.3 10.352 4.94 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE STRIPR STRIPR 1700-2 02 VERTICAL 30102625 20020101 20021231 108883 Toluene 0.03 0.019 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE CDREFI CDREFI 170020 02 VERTICAL 30102670 20020101 20021231 126998 Chloroprene 12.4 3.61 3.11 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE CDREFI CDREFI 170020 02 VERTICAL 30102670 20020101 20021231 108883 Toluene 0.001 0.001 0.001

NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE STK2MM STK2MM 170021 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 5.77 5.77 1.69 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EWBDRY EWBDRY 170025 02 VERTICAL 30102609 20020101 20021231 126998 Chloroprene 0 2.325 2.14 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EWBDRY EWBDRY 170025 02 VERTICAL 30102609 20020101 20021231 108883 Toluene 0 0.382 0.9 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE WWBDRY WWBDRY 170026 02 VERTICAL 30102609 20020101 20021231 108883 Toluene 3.95 2.325 2.19 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE WWBDRY WWBDRY 170026 02 VERTICAL 30102609 20020101 20021231 126998 Chloroprene 9.41 0.382 0.9 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EHDRY EHDRY 170027 02 VERTICAL 30102609 20020101 20021231 108883 Toluene 0 11.894 4.62 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EHDRY EHDRY 170027 02 VERTICAL 30102609 20020101 20021231 126998 Chloroprene 0 1.955 10.99 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE WHDRY WHDRY 170028 02 VERTICAL 30102609 20020101 20021231 126998 Chloroprene 0 1.894 10.99

NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE WHDRY WHDRY 170028 02 VERTICAL 30102609 20020101 20021231 108883 Toluene 0 1.955 4.62 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE LPKVTC LPKVTC 1700-3 02 VERTICAL 30102625 20020101 20021231 108883 Toluene 0.53 0.225 0.34 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE LPKVTC LPKVTC 1700-3 02 VERTICAL 30102625 20020101 20021231 126998 Chloroprene 34.34 21.87 26.89 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EDRYC1 EDRYC1 170045 02 VERTICAL 30102609 20020101 20021231 108883 Toluene 0.001 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EDRYC1 EDRYC1 170045 02 VERTICAL 30102609 20020101 20021231 126998 Chloroprene 0.001 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE WDRYC1 WDRYC1 170046 02 VERTICAL 30102609 20020101 20021231 108883 Toluene 0.001 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE WDRYC1 WDRYC1 170046 02 VERTICAL 30102609 20020101 20021231 126998 Chloroprene 0.001 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EDRYC2 EDRYC2 170047 02 VERTICAL 30102609 20020101 20021231 108883 Toluene 0.001 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EDRYC2 EDRYC2 170047 02 VERTICAL 30102609 20020101 20021231 126998 Chloroprene 0.001 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE WDRYC2 WDRYC2 170048 02 VERTICAL 30102609 20020101 20021231 108883 Toluene 0.001 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE WDRYC2 WDRYC2 170048 02 VERTICAL 30102609 20020101 20021231 126998 Chloroprene 0.001 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE ST1234 ST1234 170050 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.59 0.069 595.89 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE INMXTK INMXTK 170051 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 1.17 1.444 2.27 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTNK1 EMTNK1 170053 02 VERTICAL 30102609, 30102665 20020101 20021231 108883 Toluene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTNK1 EMTNK1 170053 02 VERTICAL 30102609, 30102665 20020101 20021231 126998 Chloroprene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTNK2 EMTNK2 170054 02 VERTICAL 30102609, 30102665 20020101 20021231 108883 Toluene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTNK2 EMTNK2 170054 02 VERTICAL 30102609, 30102665 20020101 20021231 126998 Chloroprene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTNK3 EMTNK3 170055 02 VERTICAL 30102609, 30102665 20020101 20021231 108883 Toluene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTNK3 EMTNK3 170055 02 VERTICAL 30102609, 30102665 20020101 20021231 126998 Chloroprene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE STTANK 6-14 170056 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.47 0.311 322.39 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE STTANK 6-14 170056 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 3 1.987 2061.5 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE STMH6 MANH6 17005A 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.23 0.149 0.08 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE STMH6 MANH6 17005A 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 1.49 0.95 0.52 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE VENTHS HEADSY 170063 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.001 0.003 0.19 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE VENTHS HEADSY 170063 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 2.17 1.324 77.95 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE WSEXFN EXFAN 170064 02 VERTICAL HORIZONTAL30102680 20020101 20021231 126998 Chloroprene 0.08 0.083 0 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE WSEXFN EXFAN 170064 02 VERTICAL HORIZONTAL30102680 20020101 20021231 108883 Toluene 0.03 0.028 0 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE WALLFN WALLFN 170066 02 VERTICAL HORIZONTAL30102680 20020101 20021231 108883 Toluene 5.19 5.193 21.19 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE WALLFN WALLFN 170066 02 VERTICAL HORIZONTAL30102680 20020101 20021231 126998 Chloroprene 15.83 15.832 4.34 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTNK4 EMTNK4 170067 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTNK4 EMTNK4 170067 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTNK5 EMTNK5 170068 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTNK5 EMTNK5 170068 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTNK9 EMTNK9 170069 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTNK9 EMTNK9 170069 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTK11 EMTK11 170070 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTK11 EMTK11 170070 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 0.001 0.001

Page 1DuPont LaPlace

NEI Site ID Facility

Name Emission

Unit ID Process ID Emission Release Point ID Emission

Release Point Type Code Emission

Release Point Type Description Emission

Release Point Type Revised SCC Code* Start Date End Date Start Date Revised End Date

Revised Pollutant

Code Pollutant

Code Revised Pollutant

Description Pollutant

Description Revised Emissions

(TPY) Emissions

(TPY) Revised Routine

Emissions Max Hourly (lbs/hr) Startup

Emissions (TPY) NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTK12 EMTK12 170071 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTK12 EMTK12 170071 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTK15 EMTK15 170072 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTK15 EMTK15 170072 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTK16 EMTK16 170073 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE EMTK16 EMTK16 170073 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE STABIL DRUMNG 170079 02 VERTICAL It does not fit into any of the given codes 20020101 20021231 108883 Toluene 0.01 0.35 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE PK13A PK13A 17013A 02 VERTICAL 30102625 20020101 20021231 108883 Toluene 0.98 0.623 0.26 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE PK13A PK13A 17013A 02 VERTICAL 30102625 20020101 20021231 126998 Chloroprene 7.17 4.559 1.92 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE FUG193 FUG193 1-93 01 FUGITIVE 30102680 20020101 20021231 126998 Chloroprene 1.6 0.058 0.37 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE FUG193 FUG193 1-93 01 FUGITIVE 30102680 20020101 20021231 108883 Toluene 0.22 1.855 0.05 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE FUG395 FUG395 3-95 01 FUGITIVE 30102660 20020101 20021231 108883 Toluene 0.01 0.01 0.02 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE FUG395 FUG395 3-95 01 FUGITIVE 30102660 20020101 20021231 126998 Chloroprene 0.19 0.186 0.18 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE FUGNO1 FUGNO1 4-95 01 FUGITIVE 30102660 20020101 20021231 108883 Toluene 0.06 0.057 0.02 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE FUGNO1 FUGNO1 4-95 01 FUGITIVE 30102660 20020101 20021231 126998 Chloroprene 1.99 1.948 1.92 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE FUGNO2 FUGNO2 5-95 01 FUGITIVE 30102660 20020101 20021231 108883 Toluene 0.001 0.001 0.001 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE FUGNO2 FUGNO2 5-95 01 FUGITIVE 30102660 20020101 20021231 126998 Chloroprene 0.02 0.024 0.02 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE UEMSTK UEM1 UEM1 02 VERTICAL 30102665 20020101 20021231 108883 Toluene 0.03 0.024 0.05 NEI5983 DU PONT PERFORMANCE ELASTOMERS LLC PONTCHARTRAIN SITE UEMSTK UEM2 UEM2 02 VERTICAL 30102665 20020101 20021231 126998 Chloroprene 2.73 2.523 5.34

Foot Notes 1. Columns J and K - Start and End Dates - These columns were not updated because we do not have a description of the meaning of these values. If this information is needed, please provide a description or explanation of the information needed. 2. Column S - Emissions TPY - This column lists the 2007 actual emissions as reported in this unit's annual emission inventory to the LDEQ. Of the last years, 2007 is the closest to "normal" production. Because the economy 2008 and 2009 were low production years. 3. Column T - Max hourly emissions - This column slits the permitted maximum pounds per hour for each source. 4. Columns U thru X - Start up and Shut down emissions - Emissions from this facility, because of the way it is operated, are not significantly different during Start up and shutdown from normal operations. The pounds per hour shown a SU and SD are the permitted average pounds per hour for each source. 5. Columns AO and AP - Exit gas flow and velocity. A value of nil was provided when the flow and/or velocity are too small to be sampled or calculated. 6. Column AV - Emission Performance Level Code. This column was not updated because we do not have a description of the meaning of this value. If this information is needed, please provide a description or explanation of the information needed. 7. Source 1700-20 is equipped with a condenser that is 95% efficient on removing chloroprene. Because the small amount of toluene present in the stream, this condenser is not efficient in removing toluene, therefore, was not listed as a toluene control device. 8. Sources 1700-64 and 1700-66 - These are fans located on the side of the building which vent horizontally. 9. Source 1700-79 - does not fit on any of the SPCC Codes given.

Page 2DuPont LaPlace

Startup Emissions (lbs/hr) Shutdown

Emissions (TPY) Shutdown

Emissions (lbs/hr) MACT

Code MACT

Source Category MACT

Code Revised Stack

Height (ft) Exit Gas

Temperatur e (oF) Stack

Diamete (ft) Exit Gas

Velocity (ft/sec) Exit Gas

Flow Rate (ft3/sec) Stack

Default Code Stack Default

Description Fugitive

Length (EW) (ft) Fugitive

Width (NS) (ft) Fugitive Angle

(degrees) Stack

Height Revised Exit Gas

Temperatur e Revised Stack

Diameter Revised Exit Gas

Velocity Revised Exit Gas

Flow Rate Revised 0.09 0.091320 Neoprene Production 54 77 1.25 33.9529991 41.6455383300000 All of the original values were retained. 0 0 0 53.8 34 0.55 0.551320 Neoprene Production 54 77 1.25 33.9529991 41.6455383300000 All of the original values were retained. 0 0 0 53.8 34 0.18 0.181320 Neoprene Production 58 77 1.33000004 82.776001 114.941703800000 All of the original values were retained. 0 0 0 59 82.4 1.33 1.331320 Neoprene Production 58 77 1.33000004 82.776001 114.941703800000 All of the original values were retained. 0 0 0 59 82.4 0.08 0.081320 Neoprene Production 57 77 1.5 104.688599 184.906204200000 All of the original values were retained. 0 0 0 68 104.7 0.03 0.031320 Neoprene Production 57 77 1.5 104.688599 184.906204200000 All of the original values were retained. 0 0 0 68 104.7 3.95 3.951320 Neoprene Production 62 203.535492 0.33000001 1.38349998 0.11827000202000 The exit gas temperature was defaulted using the SIC Code. 0 0 0 62.4 0 1.36 0.001 0.0011320 Neoprene Production 62 203.535492 0.33000001 1.38349998 0.11827000202000 The exit gas temperature was defaulted using the SIC Code. 0 0 0 62.4 0 1.36 2.83 2.831320 Neoprene Production 64 65 0.17 3.4849 0.07628999700000 All of the original values were retained. 0 0 0 63.5 3.5 0.001 0.0011320 Neoprene Production 64 65 0.17 3.4849 0.07628999700000 All of the original values were retained. 0 0 0 63.5 3.5

1.32 1.321320 Neoprene Production 48203.535492 0.25 0.3802 0.01865000102000 The exit gas temperature was defaulted using the SIC Code. 0 0 0 48.2 23 0.38 13.14 13.141320 Neoprene Production 31 104 14 1.6437 256.536590600000 All of the original values were retained. 0 0 0 14.1 18.2 5.52 5.521320 Neoprene Production 31 104 14 1.6437 256.536590600000 All of the original values were retained. 0 0 0 14.1 18.2 0.001 0.0011320 Neoprene Production 31 104 14 1.6437 256.536590600000 All of the original values were retained. 0 0 0 14.1 18.2 0.001 0.0011320 Neoprene Production 31 104 14 1.6437 256.536590600000 All of the original values were retained. 0 0 0 14.1 18.2 0.001 0.0011320 Neoprene Production 66 250 3 67.4345016 476.424987800000 All of the original values were retained. 0 0 0 65.5 67.4 0.001 0.0011320 Neoprene Production 66 250 3 67.4345016 476.424987800000 All of the original values were retained. 0 0 0 65.5 67.4 0.001 0.0011320 Neoprene Production 66 250 3 67.4345016 476.424987800000 All of the original values were retained. 0 0 0 65.5 67.4

0.001 0.0011320 Neoprene Production 66 250 3 67.4345016 476.424987800000 All of the original values were retained. 0 0 0 65.5 67.4 0.12 0.121320 Neoprene Production 62 203.535492 0.33000001 4.28700018 0.36647999302000 The exit gas temperature was defaulted using the SIC Code. 0 0 0 62.4 34 4.2 7.85 7.851320 Neoprene Production 62 203.535492 0.33000001 4.28700018 0.36647999302000 The exit gas temperature was defaulted using the SIC Code. 0 0 0 62.4 34 4.2 0.001 0.0011320 Neoprene Production 50 122 2.67000008 61.4690018 343.992187500000 All of the original values were retained. 0 0 0 49.6 61.6 0.001 0.0011320 Neoprene Production 50 122 2.67000008 61.4690018 343.992187500000 All of the original values were retained. 0 0 0 49.6 61.6 0.001 0.0011320 Neoprene Production 49.540699 122 2.67000008 61.4690018 343.992187500000 All of the original values were retained. 0 0 0 49.6 61.6 0.001 0.0011320 Neoprene Production 49.540699 122 2.67000008 61.4690018 343.992187500000 All of the original values were retained. 0 0 0 49.6 61.6 0.001 0.0011320 Neoprene Production 50 122 2.67000008 61.4690018 343.992187500000 All of the original values were retained. 0 0 0 49.6 61.6 0.001 0.0011320 Neoprene Production 50 122 2.67000008 61.4690018 343.992187500000 All of the original values were retained. 0 0 0 49.6 61.6 0.001 0.0011320 Neoprene Production 49.540699 122 2.67000008 61.4690018 343.992187500000 All of the original values were retained. 0 0 0 49.6 61.6 0.001 0.0011320 Neoprene Production 49.540699 122 2.67000008 61.4690018 343.992187500000 All of the original values were retained. 0 0 0 49.6 61.6 18.99 18.991320 Neoprene Production 54 77 0.25 5.43240023 0.26653000700000 All of the original values were retained. 0 0 0 65 5.43 2.27 2.271320 Neoprene Production 59203.535492 0.167 1.05760002 0.02315000102000 The exit gas temperature was defaulted using the SIC Code. 0 0 0 37 1.06 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17 0.01nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17 0.01nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17 0.01nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17 0.01nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17 0.01nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17 0.01nil 322.39 322.391320 Neoprene Production 55 77 0.17 12 0.27000001100000 All of the original values were retained. 0 0 0 719 15.75 2061.5 2061.51320 Neoprene Production 55 77 0.17 12 0.27000001100000 All of the original values were retained. 0 0 0 719 15.75 0.05 0.051320 Neoprene Production 54 77 1.33000004 88.7742996 123.270797700000 All of the original values were retained. 0 0 0 53.8 88.3 0.34 0.341320 Neoprene Production 54 77 1.33000004 88.7742996 123.270797700000 All of the original values were retained. 0 0 0 53.8 88.3 0.01 0.011320 Neoprene Production 33203.535492 0.125 6.51999998 0.07999999802000 The exit gas temperature was defaulted using the SIC Code. 0 0 0 33.1 65 0.083 4.29 4.291320 Neoprene Production 33203.535492 0.125 6.51999998 0.07999999802000 The exit gas temperature was defaulted using the SIC Code. 0 0 0 33.1 65 0.083 0.02 0.021320 Neoprene Production 53.4776993 77 1.3300000429.9913006 41.6455383300000 All of the original values were retained. 0 0 0 53.6 29.8 0.001 0.0011320 Neoprene Production 53.4776993 77 1.3300000429.9913006 41.6455383300000 All of the original values were retained. 0 0 0 53.6 29.8 1.19 1.191320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 20 77 975 7939 3.61 3.611320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 20 77 975 7939 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil

Page 3DuPont LaPlace

Startup Emissions (lbs/hr) Shutdown

Emissions (TPY) Shutdown

Emissions (lbs/hr) MACT

Code MACT

Source Category MACT

Code Revised Stack

Height (ft) Exit Gas

Temperatur e (oF) Stack

Diamete (ft) Exit Gas

Velocity (ft/sec) Exit Gas

Flow Rate (ft3/sec) Stack

Default Code Stack Default

Description Fugitive

Length (EW) (ft) Fugitive

Width (NS) (ft) Fugitive Angle

(degrees) Stack

Height Revised Exit Gas

Temperatur e Revised Stack

Diameter Revised Exit Gas

Velocity Revised Exit Gas

Flow Rate Revised 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.001 0.0011320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 38 77 0.17nil nil 0.35 0.351320 Neoprene Production 46.9353065203.535492 3.2252750424.4734402 199.948455822222 All of the parameters were defaulted using the SIC Code. 0 0 0 4 77 0.5nil nil 0.22 0.221320 Neoprene Production 59 77 245.0938988 141.594802900000 All of the original values were retained. 0 0 0 45.1 1.64 1.641320 Neoprene Production 59 77 245.0938988 141.594802900000 All of the original values were retained. 0 0 0 45.1 0.37 0.371320 Neoprene Production 3.27999997 72 0.003 0.0003 003333 The exit gas temperature, stack diameter, exit gas velocity, and exit gas flow rate were defaulted to the national defaults. 147 147 0 77 0.05 0.051320 Neoprene Production 3.27999997 72 0.003 0.0003 003333 The exit gas temperature, stack diameter, exit gas velocity, and exit gas flow rate were defaulted to the national defaults. 147 147 0 77 0.001 0.0011320 Neoprene Production 45 72 0.003 0.0003 003333 The exit gas temperature, stack diameter, exit gas velocity, and exit gas flow rate were defaulted to the national defaults. 44 44 0 77 0.04 0.041320 Neoprene Production 45 72 0.003 0.0003 003333 The exit gas temperature, stack diameter, exit gas velocity, and exit gas flow rate were defaulted to the national defaults. 44 44 0 77 0.01 0.011320 Neoprene Production 45 72 0.003 0.0003 003333 The exit gas temperature, stack diameter, exit gas velocity, and exit gas flow rate were defaulted to the national defaults. 44 44 0 77 0.46 0.461320 Neoprene Production 45 72 0.003 0.0003 003333 The exit gas temperature, stack diameter, exit gas velocity, and exit gas flow rate were defaulted to the national defaults. 44 44 0 77 0.001 0.0011320 Neoprene Production 16 72 0.003 0.0003 003333 The exit gas temperature, stack diameter, exit gas velocity, and exit gas flow rate were defaulted to the national defaults. 82 82 0 77 0.001 0.0011320 Neoprene Production 16 72 0.003 0.0003 003333 The exit gas temperature, stack diameter, exit gas velocity, and exit gas flow rate were defaulted to the national defaults. 82 82 0 77 0.001 0.0011320 Neoprene Production 55 77 0.16747.4799004 1.03946995700000 All of the original values were retained. 0 0 0 0.62 0.621320 Neoprene Production 55 77 0.16747.4557991 1.03946995700000 All of the original values were retained. 0 0 0

Page 4DuPont LaPlace

FugitiveLength (EW) (ft) Revised Fugitive

Width (N-S) (ft) Revised Fugitive

Angle (degrees) Revised HAP

Emissions Performanc e Level Code HAP

Emissions Performanc e Level Description HAP

Emissions Performanc e Level Code Longitude

(decimal degrees) Latitude

(decimal degrees) Longitude

(decimal degrees) Revised Latitude

(decimal degrees) Revised Is Control

Measure In Place? Control

Measure** Control

Measure Efficiency Control

Measure Comment Delete This

Record? Delete

Comment Reviewed

With No Changes? 01 Actual -90.524223 30.057024 -90.524007 30.0587569 None 01 Actual -90.524223 30.057024 -90.524007 30.0587569 None 01 Actual -90.524223 30.057024 -90.524254 30.0584482 None 01 Actual -90.524223 30.057024 -90.524254 30.0584482 None 01 Actual -90.524223 30.057024 -90.523881 30.0586548 None 01 Actual -90.524223 30.057024 -90.523881 30.0586548 None 01 Actual -90.524223 30.057024 -90.524313 30.058425 Refrigerated Condenser 95 01 Actual -90.524223 30.057024 -90.524313 30.058425 Refrigerated Condenser 95 01 Actual -90.524223 30.0570202 -90.524393 30.0581975 Refrigerated Condenser 95 01 Actual -90.524223 30.0570202 -90.524393 30.0581975

01 Actual -90.524223 30.057024 -90.523331 30.0576217 01 Actual -90.524559 30.0577049 -90.524973 30.0594464 None 01 Actual -90.524559 30.0577049 -90.524973 30.0594464 None 01 Actual -90.524559 30.0577049 -90.52486 30.0594975 None 01 Actual -90.524559 30.0577049 -90.52486 30.0594975 None 01 Actual -90.524559 30.0577049 -90.524935 30.0594186 None 01 Actual -90.524559 30.0577049 -90.524935 30.0594186 None 01 Actual -90.524559 30.0577049 -90.524817 30.0594418 None

01 Actual -90.524559 30.0577049 -90.524817 30.0594418 None 01 Actual -90.524223 30.057024 -90.524254 30.0584482 Refrigerated Condenser 95 01 Actual -90.524223 30.057024 -90.524254 30.0584482 Refrigerated Condenser 95 01 Actual -90.524559 30.0577049 -90.524739 30.0594557 None 01 Actual -90.524559 30.0577049 -90.524739 30.0594557 None 01 Actual -90.524559 30.0577049 -90.524699 30.0594812 None 01 Actual -90.524559 30.0577049 -90.524699 30.0594812 None 01 Actual -90.524559 30.0577049 -90.524739 30.0594557 None 01 Actual -90.524559 30.0577049 -90.524739 30.0594557 None 01 Actual -90.524559 30.0577049 -90.524699 30.0594812 None 01 Actual -90.524559 30.0577049 -90.524699 30.0594812 None 01 Actual -90.524223 30.057024 -90.523916 30.0586269 None 01 Actual -90.524223 30.057024 -90.523916 30.0586269 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.524061 30.0587337 None 01 Actual -90.524223 30.057024 -90.524061 30.0587337 None 01 Actual -90.524223 30.057024 -90.524007 30.0587569 None 01 Actual -90.524223 30.057024 -90.524007 30.0587569 None 01 Actual -90.524223 30.057024 -90.524399 30.0580582 Vapor Balancing 90 01 Actual -90.524223 30.057024 -90.524399 30.0580582 Vapor Balancing 90 01 Actual -90.524223 30.057024 -90.524002 30.058606 None 01 Actual -90.524223 30.057024 -90.524002 30.058606 None 01 Actual -90.524223 30.057024 -90.524015 30.0586641 None 01 Actual -90.524223 30.057024 -90.524015 30.0586641 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None

Page 5DuPont LaPlace

FugitiveLength (EW) (ft) Revised Fugitive

Width (N-S) (ft) Revised Fugitive

Angle (degrees) Revised HAP

Emissions Performanc e Level Code HAP

Emissions Performanc e Level Description HAP

Emissions Performanc e Level Code Longitude

(decimal degrees) Latitude

(decimal degrees) Longitude

(decimal degrees) Revised Latitude

(decimal degrees) Revised Is Control

Measure In Place? Control

Measure** Control

Measure Efficiency Control

Measure Comment Delete This

Record? Delete

Comment Reviewed

With No Changes? 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 -90.52467 30.0593652 None 01 Actual -90.524223 30.057024 None 01 Actual -90.524223 30.057024 -90.524254 30.0584482 None 01 Actual -90.524223 30.057024 -90.524254 30.0584482 None 01 Actual -90.524223 30.057024 -90.524222 30.0587314 Leak Detection and repair program 75 01 Actual -90.524223 30.057024 -90.524222 30.0587314 Leak Detection and repair program 75 01 Actual -90.524841 30.057373 -90.525772 30.0602543 None 01 Actual -90.524841 30.057373 -90.525772 30.0602543 None 01 Actual -90.524841 30.057373 -90.525595 30.06031 None 01 Actual -90.524841 30.057373 -90.525595 30.06031 None 01 Actual -90.524841 30.057373 -90.525493 30.0597296 None 01 Actual -90.524841 30.057373 -90.525493 30.0597296 None 01 Actual -90.524223 30.057024 -90.524061 30.0587337 None 01 Actual -90.524223 30.057024 -90.524061 30.0587337 None

Page 6