PORT NECHES OPERATIONS C4 PLANT

  • Regulated Entity Reference Number: RN104964267
  • Primary Business: CHEMICAL MANUFACTURING OF 1,3 BUTADIENE & METHYL T
  • County: JEFFERSON
  • Nearest City: PORT NECHES
  • Nearest Zipcode: 77651
  • Physical Location: LOCATED AT THE NW CORNER OF THE INTX OF FM 366 AND SPUR 136
  • TCEQ reference

Emission Events

  Tracking Number Event began Event ended Duration Total Released
354280 04/13/2021 01:33 PM 04/13/2021 02:14 PM 0.683333333333 225.67
ContaminantAmount Released
1,2 Butadiene 0.57 lbs
1,3-BUTADIENE 133.0 lbs
1-Butene 25.0 lbs
Butane, N- 25.0 lbs
Cis-2-butene 16.0 lbs
Ethane 1.0 lbs
Isobutane 2.1 lbs
Isobutylene 3.7 lbs
Methyl Acetylene 3.3 lbs
Trans-2-butene 7.0 lbs
VOC (unspeciated) 5.0 lbs
Vinyl acetylene 4.0 lbs
353873 04/06/2021 08:31 AM 04/06/2021 09:22 AM 0.85 130.0
ContaminantAmount Released
1,3-BUTADIENE 50.0 lbs
VOC (unspeciated) 80.0 lbs
325683 09/27/2019 01:00 AM 09/30/2019 01:00 AM 72.0 2500.0
ContaminantAmount Released
1,3-BUTADIENE 1,000.0 lbs
PM (unspeciated) 500.0 lbs
VOCs 1,000.0 lbs
308170 05/10/2019 12:50 AM 05/10/2019 03:30 AM 2.66666666667 490.0
ContaminantAmount Released
1,3-BUTADIENE 140.0 lbs
VOCs 350.0 lbs
308001 05/07/2019 11:30 AM 05/08/2019 11:30 AM 24.0 926.61
ContaminantAmount Released
1,3-BUTADIENE 458.61 lbs
VOC 468.0 lbs
304311 03/11/2019 09:55 AM 03/11/2019 10:20 AM 0.416666666667 514.53
ContaminantAmount Released
1,3-BUTADIENE 210.7 lbs
Carbon Monoxide 72.2 lbs
Nitrogen oxide 14.17 lbs
VOCs 217.46 lbs
302846 02/17/2019 07:40 PM 02/17/2019 08:15 PM 0.583333333333 548.86
ContaminantAmount Released
1,3-BUTADIENE 154.25 lbs
VOCs 394.61 lbs
301946 01/31/2019 03:05 AM 01/31/2019 03:50 AM 0.75 1219.01
ContaminantAmount Released
1,3-BUTADIENE 251.99 lbs
VOC 967.02 lbs
297500 11/18/2018 10:00 PM 11/19/2018 07:30 AM 9.5 54.35
ContaminantAmount Released
1,3-BUTADIENE 22.4 lbs
1-Butene 1.72 lbs
Butane, N- 4.38 lbs
Cis-2-butene 7.66 lbs
Ethane 3.28 lbs
Hexane 11.57 lbs
Isobutane 0.89 lbs
Isobutylene 0.95 lbs
Propane 1.24 lbs
Propylene (Propene) 0.26 lbs
292841 09/23/2018 10:15AM 09/23/2018 0.916666666667 462.12
ContaminantAmount Released
1,3-BUTADIENE 73.3 lbs
Carbon Monoxide 171.83 lbs
Nitrogen oxide 33.72 lbs
VOCs 183.27 lbs
291999 09/11/2018 4:00PM 09/11/2018 0.25 64.26
ContaminantAmount Released
1,3-BUTADIENE 64.26 lbs
291251 08/29/2018 08/29/2018 6.83333333333 100.0
ContaminantAmount Released
1,3-BUTADIENE 100.0 lbs
287659 07/03/2018 7:20PM 07/03/2018 0.75 16.14
ContaminantAmount Released
1,3-BUTADIENE 4.61 lbs
VOCs 11.53 lbs
287112 06/23/2018 9:45PM 06/24/2018 3.0 75.78
ContaminantAmount Released
1,3-BUTADIENE 43.62 lbs
CO 7.66 lbs
NOX 1.5 lbs
VOCs 23.0 lbs
286684 06/19/2018 10:15AM 06/19/2018 6.0 1984.61
ContaminantAmount Released
1,3-BUTADIENE 518.82 lbs
VOCs 1,465.79 lbs
286215 06/13/2018 9:45AM 06/13/2018 0.583333333333 8.05
ContaminantAmount Released
1,3-BUTADIENE 1.98 lbs
VOCs 6.07 lbs
285660 06/05/2018 8:15AM 06/05/2018 3.0 416.01
ContaminantAmount Released
1,3-BUTADIENE 329.07 lbs
CO 7.66 lbs
Methyl Acetylene 54.78 lbs
NOX 1.5 lbs
VOCs 23.0 lbs
285514 06/01/2018 06/01/2018 4.75 144.12
ContaminantAmount Released
1,3-BUTADIENE 72.06 lbs
1-Butene 25.94 lbs
Butane, N- 10.09 lbs
Isobutylene 21.62 lbs
Trans-2-butene 14.41 lbs
284207 05/21/2018 7:28PM 05/21/2018 0.75 290.59
ContaminantAmount Released
1,3-BUTADIENE 144.65 lbs
VOCs 145.94 lbs
284144 05/21/2018 1:30AM 05/21/2018 18.0 3525.6
ContaminantAmount Released
1,3-BUTADIENE 740.38 lbs
Butane 316.2 lbs
Butene 574.9 lbs
Opacity 0 lbs
VOCs 1,894.12 lbs
283586 05/10/2018 10:15AM 05/11/2018 14.75 198.35
ContaminantAmount Released
1,3-BUTADIENE 97.96 lbs
VOCs 100.39 lbs
282087 04/15/2018 12:06AM 04/15/2018 0.0333333333333 53.87
ContaminantAmount Released
1,3-BUTADIENE 53.12 lbs
VOCs 0.75 lbs
282066 04/13/2018 2:40PM 04/14/2018 18.0 9048.91
ContaminantAmount Released
1,3-BUTADIENE 1,830.01 lbs
Butene 1,494.25 lbs
Carbon Monoxide 1,782.83 lbs
NOX 1,510.73 lbs
Opacity 0 lbs
VOCs 2,431.09 lbs
280215 03/09/2018 10:30PM 03/10/2018 3.63333333333 1524.4
ContaminantAmount Released
1,3-BUTADIENE 330.8 lbs
Carbon Monoxide 290.34 lbs
NOX 56.98 lbs
VOCs 846.28 lbs
280003 03/06/2018 1:00AM 03/06/2018 0.666666666667 708.71
ContaminantAmount Released
1,3-BUTADIENE 153.79 lbs
Carbon Monoxide 134.98 lbs
NOX 26.49 lbs
VOCs 393.45 lbs
278697 02/14/2018 6:00AM 02/16/2018 65.0 11261.5
ContaminantAmount Released
1,3-BUTADIENE 277.0 lbs
Carbon Monoxide 2,637.7 lbs
NOX 517.6 lbs
Opacity 0 lbs
VOCs 7,829.2 lbs
277293 01/26/2018 10:00PM 01/26/2018 0.333333333333 225.0
ContaminantAmount Released
1,3-BUTADIENE 50.0 lbs
Carbon Monoxide 40.0 lbs
NOX 10.0 lbs
VOCs 125.0 lbs
276895 01/22/2018 1:56PM 01/22/2018 0.283333333333 354.8
ContaminantAmount Released
1,3-BUTADIENE 109.9 lbs
Carbon Monoxide 11.5 lbs
Nitrogen oxide 58.6 lbs
VOCs 174.8 lbs
276594 01/17/2018 2:00PM 01/19/2018 36.0 5414.7
ContaminantAmount Released
1,3-BUTADIENE 1,521.7 lbs
Opacity 0 lbs
VOCs 3,893.0 lbs
270260 10/14/2017 2:40PM 10/14/2017 0.166666666667 58.8
ContaminantAmount Released
1,3-BUTADIENE 58.8 lbs
266466 08/29/2017 8:00PM 09/08/2017 222.0 33987.2
ContaminantAmount Released
1,3-BUTADIENE 9,328.7 lbs
1-Butene 712.6 lbs
Butane, N- 1,829.6 lbs
Carbon Monoxide 4,864.2 lbs
Cis-2-butene 3,194.0 lbs
Hexane, n 4,829.2 lbs
Isobutane 370.5 lbs
Isobutylene 399.3 lbs
NOX 954.6 lbs
Opacity 0 lbs
Pentanes 1,836.2 lbs
Propane/Propylene Mix 839.0 lbs
VOCs 4,829.3 lbs
261137 06/23/2017 1:25PM 06/23/2017 6.58333333333 2298.7
ContaminantAmount Released
1,3-BUTADIENE 610.7 lbs
Butane 93.6 lbs
Carbon Monoxide 599.6 lbs
Hexane, n 22.4 lbs
Nitrogen oxide 117.7 lbs
Propane 16.6 lbs
Propylene (Propene) 21.6 lbs
VOCs 358.9 lbs
butenes 457.6 lbs
260395 06/15/2017 1:10PM 06/15/2017 2.2 579.2
ContaminantAmount Released
1,3-BUTADIENE 176.7 lbs
Carbon Monoxide 96.2 lbs
Nitrogen oxide 18.9 lbs
VOCs 287.4 lbs
253839 03/07/2017 11:00AM 03/07/2017 0.0166666666667 528.0
ContaminantAmount Released
1,3-BUTADIENE 264.0 lbs
VOCs 264.0 lbs
253077 02/22/2017 2:40AM 02/22/2017 13.5 337.657
ContaminantAmount Released
1,3-BUTADIENE 50.0 lbs
Butane 5.89 lbs
Butene 11.53 lbs
Carbon Monoxide 117.2 lbs
NOX 23.0 lbs
Opacity 0 lbs
Pentanes 4.92 lbs
VOCs 125.117 lbs
249574 12/29/2016 4:00AM 12/29/2016 0.0166666666667 15.62
ContaminantAmount Released
Anhydrous ammonia 15.62 lbs
247633 11/23/2016 8:00AM 11/23/2016 2.5 4050.0
ContaminantAmount Released
HCFC-22 4,050.0 lbs
231974 04/21/2016 3:00PM 04/21/2016 1.5 829.49
ContaminantAmount Released
1,3-BUTADIENE 193.9 lbs
Butane 83.35 lbs
Butene 54.24 lbs
Carbon Monoxide 119.2 lbs
NOX 23.4 lbs
Opacity 0 lbs
VOCs 355.4 lbs
231400 04/13/2016 10:16PM 04/13/2016 0.0833333333333 73.1
ContaminantAmount Released
1,3-BUTADIENE 72.8 lbs
Butylene 0.3 lbs
228026 02/20/2016 5:30PM 02/20/2016 0.5 148.0
ContaminantAmount Released
1,3-BUTADIENE 0.3 lbs
Butane 65.6 lbs
Butene 81.2 lbs
C5s 0.3 lbs
Propane 0.2 lbs
Propylene (Propene) 0.4 lbs
203752 01/21/2016 01/21/2016 0.0 0
ContaminantAmount Released
Butadiene 0 lbs
222102 10/24/2015 10/26/2015 48.0 900.0
ContaminantAmount Released
Chlorine 900.0 lbs
217838 07/27/2015 10:00AM 07/27/2015 0.25 8.8
ContaminantAmount Released
1,3-BUTADIENE 8.8 lbs
193245 01/21/2014 7:30AM 01/21/2014 5.83333333333 176.25
ContaminantAmount Released
1,3-BUTADIENE 176.25 lbs
189666 10/17/2013 7:55AM 10/17/2013 0.333333333333 202.0
ContaminantAmount Released
1,3-BUTADIENE 201.0 lbs
2-Butene 1.0 lbs
189577 10/15/2013 10/15/2013 0.75 0
ContaminantAmount Released
Opacity 0 lbs
188548 09/21/2013 09/21/2013 0.0 0
ContaminantAmount Released
Napthalene 0 lbs
187443 08/29/2013 08/29/2013 0.0 66.0
ContaminantAmount Released
Sulfuric acid 66.0 lbs
186738 08/14/2013 3:50AM 08/14/2013 0.166666666667 28.29
ContaminantAmount Released
1,2 - Butadiene 0.31 lbs
1,3-BUTADIENE 8.28 lbs
1-Butene 2.68 lbs
Butane, N- 2.65 lbs
Cis-2-butene 1.15 lbs
Ethyl acetylene 0.58 lbs
Isobutane 3.22 lbs
Isobutylene 2.61 lbs
Methyl Acetylene 0.51 lbs
Propane 0.54 lbs
Propylene (Propene) 0.54 lbs
Trans-2-butene 2.2 lbs
Vinyl acetylene 3.02 lbs
184378 06/18/2013 1:30PM 06/18/2013 0.416666666667 38.2
ContaminantAmount Released
1,3-BUTADIENE 38.2 lbs
181808 04/17/2013 7:32PM 04/17/2013 0.416666666667 173.97
ContaminantAmount Released
1,3-BUTADIENE 122.0 lbs
Carbon Monoxide 44.12 lbs
Cis-2-butene 0.96 lbs
Methyl Acetylene 0.78 lbs
Nitrogen oxide 6.11 lbs
181559 04/11/2013 4:39PM 04/11/2013 1.0 1147.64
ContaminantAmount Released
1,3-BUTADIENE 1,123.6 lbs
C4s 6.2 lbs
VOCs 17.84 lbs
179986 03/03/2013 03/03/2013 0.0 0
ContaminantAmount Released
Sulfuric acid 0 lbs
177635 01/02/2013 12:05PM 01/02/2013 0.333333333333 6479.58
ContaminantAmount Released
1,2 Butadiene 16.8 lbs
1,3-BUTADIENE 3,870.0 lbs
1-Butene 642.8 lbs
Benzene 18.1 lbs
Butane, N- 457.5 lbs
Cis-2-butene 218.4 lbs
Ethane 36.3 lbs
Isobutane 435.5 lbs
Isobutylene 248.2 lbs
Isopentane 16.18 lbs
Pentane, N- 107.6 lbs
Trans-2-butene 293.0 lbs
Vinyl acetylene 119.2 lbs
172232 08/12/2012 11:00PM 08/13/2012 4.5 621.28
ContaminantAmount Released
1,3-BUTADIENE 372.1 lbs
1-Butene 66.89 lbs
Butane, N- 48.4 lbs
Cis-2-butene 42.8 lbs
Isobutane 38.31 lbs
Isobutylene 32.94 lbs
Isopentane 19.84 lbs
163267 01/02/2012 11:07PM 01/02/2012 0.183333333333 1073.77
ContaminantAmount Released
1,3-BUTADIENE 651.51 lbs
1-Butene 118.56 lbs
Butane, N- 83.47 lbs
Cis-2-butene 81.99 lbs
Ethane 1.7 lbs
Isobutane 19.34 lbs
Isobutylene 83.08 lbs
Isopentane 34.12 lbs
159817 09/28/2011 8:17PM 09/28/2011 0.5 100.1094
ContaminantAmount Released
1,2 - Butadiene 0.85 lbs
1,3-BUTADIENE 22.01 lbs
1-Butene 7.09 lbs
Butane, N- 6.9761 lbs
Cis-2-butene 3.06 lbs
Ethane 0.3533 lbs
Ethyl acetylene 1.52 lbs
Isobutane 8.55 lbs
Isobutylene 6.92 lbs
Methane 21.57 lbs
Methyl Acetylene 1.3593 lbs
Nitrogen oxide 5.52 lbs
Propane 0.2507 lbs
Propylene (Propene) 0.26 lbs
Trans-2-butene 5.81 lbs
Vinyl acetylene 8.01 lbs
159066 09/11/2011 10:45AM 09/11/2011 0.533333333333 135.56
ContaminantAmount Released
1,3-BUTADIENE 96.4 lbs
Carbon Monoxide 34.2 lbs
Cis-2-butene 0.26 lbs
Nitrogen oxide 4.7 lbs
152188 03/20/2011 12:30AM 03/20/2011 0.0833333333333 200.0
ContaminantAmount Released
1,3-BUTADIENE 200.0 lbs
145443 09/28/2010 1:52PM 09/28/2010 0.866666666667 60.64
ContaminantAmount Released
1,3-BUTADIENE 57.81 lbs
Nitrogen oxide 2.83 lbs
144724 09/12/2010 4:10PM 09/13/2010 14.0 400.0
ContaminantAmount Released
1,3-BUTADIENE 300.0 lbs
1-Butene 100.0 lbs
143902 08/23/2010 5:15PM 08/23/2010 0.166666666667 238.64
ContaminantAmount Released
1,2 - Butadiene 2.21 lbs
1,3-BUTADIENE 59.97 lbs
1-Butene 19.42 lbs
Butane, N- 19.17 lbs
Cis-2-butene 8.36 lbs
Ethyl acetylene 4.18 lbs
Isobutane 23.35 lbs
Isobutylene 18.92 lbs
Methyl Acetylene 3.69 lbs
Propylene (Propene) 3.93 lbs
Trans-2-butene 15.97 lbs
VOCs 37.6 lbs
Vinyl acetylene 21.87 lbs
142945 07/29/2010 8:30PM 07/29/2010 0.0833333333333 119.45
ContaminantAmount Released
1,2 Butadiene 1.11 lbs
1,3-BUTADIENE 29.98 lbs
1-Butene 9.71 lbs
Butane, N- 9.58 lbs
Cis-2-butene 4.18 lbs
Ethyl acetylene 2.09 lbs
Isobutane 11.67 lbs
Isobutylene 9.46 lbs
Methyl Acetylene 1.84 lbs
Propane 1.97 lbs
Propylene (Propene) 1.97 lbs
Trans-2-butene 7.99 lbs
VOCs 16.96 lbs
Vinyl acetylene 10.94 lbs
139462 05/08/2010 6:48AM 05/08/2010 2.0 45.83
ContaminantAmount Released
1,3-BUTADIENE 43.78 lbs
Nitrogen oxide 2.05 lbs
149286 01/10/2010 10:03AM 01/10/2010 0.75 262.85
ContaminantAmount Released
1,3-BUTADIENE 112.53 lbs
1-Butene 30.69 lbs
Butane, N- 75.45 lbs
C4s 3.94 lbs
Cis-2-butene 16.48 lbs
Isobutane 9.08 lbs
Isobutylene 14.68 lbs
130448 10/07/2009 10:03AM 10/07/2009 11.0 1702.15
ContaminantAmount Released
1,2 - Butadiene 13.36 lbs
1,3-BUTADIENE 346.32 lbs
1-Butene 111.59 lbs
Butane, N- 109.78 lbs
Carbon Monoxide 500.88 lbs
Cis-2-butene 48.22 lbs
Ethyl acetylene 23.84 lbs
Isobutane 134.52 lbs
Isobutylene 108.89 lbs
Methyl Acetylene 21.39 lbs
Nitrogen oxide 65.88 lbs
Trans-2-butene 91.39 lbs
Vinyl acetylene 126.09 lbs
129911 09/25/2009 10:15AM 09/26/2009 24.0 410.36
ContaminantAmount Released
1,3-BUTADIENE 134.47 lbs
1-Butene 41.83 lbs
Butane, N- 26.15 lbs
Cis-2-butene 2.47 lbs
Ethane 134.47 lbs
Isobutane 23.16 lbs
Isobutylene 13.45 lbs
Propane 26.89 lbs
Propylene (Propene) 2.99 lbs
Trans-2-butene 4.48 lbs
129286 09/11/2009 2:50AM 09/11/2009 0.833333333333 207.41
ContaminantAmount Released
1,2 - Butadiene 0.09 lbs
1,3-BUTADIENE 0.22 lbs
1-Butene 28.23 lbs
Butane, N- 29.55 lbs
Cis-2-butene 22.27 lbs
Isobutane 10.18 lbs
Isobutylene 73.84 lbs
Propane 0.81 lbs
Propylene (Propene) 1.28 lbs
Trans-2-butene 40.94 lbs
127522 07/31/2009 7:14AM 07/31/2009 1.0 0
ContaminantAmount Released
Opacity 0 lbs
126850 07/15/2009 9:45AM 07/15/2009 0.25 483.39
ContaminantAmount Released
1,2 - Butadiene 1.3 lbs
1,3-BUTADIENE 390.12 lbs
Methyl Acetylene 91.97 lbs
126832 07/15/2009 4:20AM 07/15/2009 0.0166666666667 1142.2
ContaminantAmount Released
1,3-BUTADIENE 0.8 lbs
1-Butene 30.5 lbs
Butane, N- 432.5 lbs
Cis-2-butene 168.0 lbs
Isobutane 70.3 lbs
Isobutylene 127.1 lbs
Pentane 9.0 lbs
Trans-2-butene 304.0 lbs
126687 07/12/2009 10:33AM 07/12/2009 4.0 1215.73
ContaminantAmount Released
1,3-BUTADIENE 651.35 lbs
1-Butene 132.52 lbs
Butane 161.35 lbs
Cis-2-butene 81.87 lbs
Ethane 2.31 lbs
Isobutane 32.09 lbs
Isobutylene 111.87 lbs
Isopentane 42.37 lbs
  124353 05/19/2009 8:00AM 05/21/2009 54.0 0
ContaminantAmount Released
121284 03/20/2009 11:00AM 03/20/2009 7.0 0.0002
ContaminantAmount Released
Carbon Monoxide 0.0001 lbs
Nitrogen oxide 0.0001 lbs
120623 03/02/2009 7:00AM 03/02/2009 0.0166666666667 0.0003
ContaminantAmount Released
1,3-BUTADIENE 0.0001 lbs
Carbon Monoxide 0.0001 lbs
Nitrogen oxide 0.0001 lbs
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