Neighborhood Witness

LYONDELL CHEMICAL BAYPORT CHOATE PLANT

Regulated Entity Reference Number: RN102523107
Primary Business: INDUSTRIAL MFG
County: HARRIS
Nearest City: PASADENA
Nearest Zipcode: 77057
Physical Location: KM 579Q
TCEQ reference

Emission Events

Tracking Number

Event began

Event ended

Duration

Total Released

391281

11/30/2022 05:16 AM

11/30/2022 05:30 AM

0.233333333333

94795.5

Contaminant	Amount Released
Acetone	366.6 lbs
Methanol	77.2 lbs
Propane	2,566.5 lbs
Propylene	61,122.6 lbs
Propylene oxide	5,065.4 lbs
t-Butyl Alcohol	25,597.2 lbs

390997

11/22/2022 10:56 PM

11/23/2022 01:31 AM

2.58333333333

4056.56

Contaminant	Amount Released
Acetone	1.22 lbs
Carbon Monoxide	1,108.96 lbs
Ethane	29.98 lbs
Methanol	0.99 lbs
NOX	555.49 lbs
Propane	309.93 lbs
Propylene	1,565.76 lbs
Propylene oxide	96.71 lbs
t-Butyl Alcohol	387.52 lbs

386357

08/25/2022 12:00 AM

09/19/2022 12:00 AM

600.0

6005.0

Contaminant	Amount Released
Isobutylene	6,005.0 lbs

380040

05/23/2022 12:43 PM

05/23/2022 08:43 PM

8.0

3093.11

Contaminant	Amount Released
Acetic acid	0.07 lbs
Acetone	5.18 lbs
Carbon Monoxide	894.43 lbs
Ethane	0.15 lbs
Formic acid	0.22 lbs
Isobutylene	0.44 lbs
Isobutylene Oxide	0.52 lbs
Methane	11.84 lbs
Methanol	0.59 lbs
Methyl ethyl ketone (MEK)	0.22 lbs
NOX	442.65 lbs
Particulate Matter	15.36 lbs
Propane	168.1 lbs
Propylene	1,329.31 lbs
Propylene oxide	149.82 lbs
Tert Butylhydroperoxide	0.2 lbs
t-Butyl Alcohol	73.06 lbs
tert-butyl alcohol	0.95 lbs

378675

05/02/2022 01:50 PM

05/02/2022 09:45 PM

7.91666666667

35561.91

Contaminant	Amount Released
Acetic acid	0.12 lbs
Acetone	8.49 lbs
Butyl alcohol, tert-	127.21 lbs
Carbon Monoxide	1,462.72 lbs
Ethane	28.42 lbs
Formic acid	0.36 lbs
Isobutane	61.54 lbs
Isobutylene	3.2 lbs
Isobutylene Oxide	0.85 lbs
Methane	0.24 lbs
Methanol	0.97 lbs
Methyl ethyl ketone (MEK)	0.36 lbs
Nitrogen oxide	725.09 lbs
Propane	2,381.69 lbs
Propylene	30,461.94 lbs
Propylene oxide	298.44 lbs
Tert Butylhydroperoxide	0.27 lbs

372516

01/09/2022 02:01 AM

01/09/2022 02:05 AM

0.0666666666667

1031.68

Contaminant	Amount Released
Acetone	0.31 lbs
Carbon Monoxide	286.02 lbs
Ethane	7.63 lbs
Methanol	0.25 lbs
Nitrogen oxide	143.27 lbs
Propane	77.87 lbs
Propylene	393.39 lbs
Propylene oxide	24.3 lbs
t-Butyl Alcohol	98.64 lbs

367488

09/28/2021 11:12 AM

09/28/2021 11:40 AM

0.466666666667

233.07

Contaminant	Amount Released
Acetic acid	0.01 lbs
Acetone	0.51 lbs
Butane, N-	0.07 lbs
Carbon Monoxide	65.93 lbs
Ethane	0.01 lbs
Formic acid	0.02 lbs
Isobutane	1.56 lbs
Isobutylene	0.04 lbs
Isobutylene Oxide	0.04 lbs
Methane	1.38 lbs
Methanol	0.05 lbs
Methyl ethyl ketone (MEK)	0.02 lbs
NOX	32.4 lbs
Propane	12.19 lbs
Propylene	96.31 lbs
Propylene oxide	10.85 lbs
Tert Butylhydroperoxide	0.65 lbs
tertiary butyl alcohol	11.03 lbs

366308

09/08/2021 07:13 PM

09/08/2021 08:11 PM

0.966666666667

336.05

Contaminant	Amount Released
Butyl alcohol, tert-	6.49 lbs
Carbon Monoxide	86.08 lbs
Isobutane	47.9 lbs
Isobutylene	0.01 lbs
Methane	2.86 lbs
NOX	41.82 lbs
Propane	9.06 lbs
Propylene	141.69 lbs
Tert Butylhydroperoxide	0.14 lbs

350677

02/15/2021 02:46 AM

02/25/2021 11:57 PM

261.183333333

3776.62

Contaminant	Amount Released
Acetic acid	0.02 lbs
Acetone	230.98 lbs
Butane, N-	50.87 lbs
Butyl alcohol, tert-	812.92 lbs
Carbon Monoxide	582.03 lbs
Formic acid	0.08 lbs
Isobutane	1,271.51 lbs
Isobutylene	42.47 lbs
Isobutylene Oxide	9.8 lbs
Methanol	20.05 lbs
Methyl ethyl ketone	0.34 lbs
Methyl ethyl ketone (MEK)	2.08 lbs
NOX	307.77 lbs
Octane	0.14 lbs
Propane	96.06 lbs
Propylene	0.57 lbs
Propylene (Propene)	219.88 lbs
Propylene oxide	55.17 lbs
Tert Butylhydroperoxide	1.28 lbs
tertiary butyl alcohol	72.6 lbs

346160

11/17/2020 01:50 AM

11/17/2020 02:47 AM

0.95

110.0

Contaminant	Amount Released
Tert Butylhydroperoxide	110.0 lbs

296606

11/07/2018 08:30 AM

11/07/2018 08:35 AM

0.0833333333333

121.54

Contaminant	Amount Released
Acetone	2.62 lbs
Butane, N-	0.3 lbs
Isobutane	0.35 lbs
Isobutene	0.05 lbs
Methanol	0.05 lbs
Methyl ethyl ketone	0.29 lbs
Monopropylene Glycol	0.01 lbs
Propan-2-ol, 1-methoxy-	0.12 lbs
Propylene oxide	0.04 lbs
Tert Butylhydroperoxide	0.02 lbs
t-Butyl Alcohol	117.69 lbs

296382

11/05/2018 12:00 AM

11/05/2018 12:14 AM

0.233333333333

284.6

Contaminant	Amount Released
Acetone	4.3 lbs
Butane, N-	35.5 lbs
Butyl alcohol, tert-	83.3 lbs
Isobutane	120.4 lbs
Methane	41.1 lbs

292598

09/19/2018 2:30PM

09/19/2018

1.66666666667

120.6

Contaminant	Amount Released
Acetone	45.2 lbs
Butyl alcohol, tert-	47.6 lbs
Dipropylene Glycol	0.8 lbs
Methanol	9.1 lbs
Monopropylene Glycol	1.3 lbs
Other	7.9 lbs
Propylene oxide	8.7 lbs

291952

09/11/2018 1:32AM

09/11/2018

0.716666666667

6423.8

Contaminant	Amount Released
Acetic acid	60.6 lbs
Acetone	14.1 lbs
Formic acid	38.4 lbs
Isobutylene Oxide	4.1 lbs
Methanol	9.4 lbs
Methyl ethyl ketone (MEK)	8.9 lbs
Tert Butylhydroperoxide	2,198.3 lbs
Tert-Butyl Formate	13.3 lbs
t-Butyl Alcohol	4,076.7 lbs

290691

08/21/2018 10:10AM

08/21/2018

0.0166666666667

1030.91

Contaminant	Amount Released
Acetic acid	0.04 lbs
Acetone	62.11 lbs
Butane, N-	4.14 lbs
Formic acid	1.27 lbs
Isobutane	200.07 lbs
Isobutylene	0.44 lbs
Methanol	3.64 lbs
Methyl ethyl ketone (MEK)	1.69 lbs
Propane	1.53 lbs
Propylene oxide	0.76 lbs
t-Butyl Alcohol	755.22 lbs

289813

08/06/2018 2:50PM

08/06/2018

1.58333333333

1634.34

Contaminant	Amount Released
Acetic acid	0.06 lbs
Acetone	98.47 lbs
Butane, N-	6.56 lbs
Formic acid	2.01 lbs
Isobutane	317.18 lbs
Isobutylene	0.7 lbs
Methanol	5.77 lbs
Methyl ethyl ketone (MEK)	2.68 lbs
Propane	2.42 lbs
Propylene oxide	1.21 lbs
t-Butyl Alcohol	1,197.28 lbs

287771

07/07/2018 10:49PM

07/07/2018

0.283333333333

100.78

Contaminant	Amount Released
Acetone	0.19 lbs
Butane, N-	0.95 lbs
Ethane	0.26 lbs
Isobutane	0.44 lbs
Methane	0.96 lbs
Propane	0.34 lbs
Propylene (Propene)	8.59 lbs
Propylene oxide	88.97 lbs
t-Butyl Alcohol	0.08 lbs

284698

05/26/2018 8:45AM

05/31/2018

133.25

1099.0

Contaminant	Amount Released
Acetone	75.0 lbs
Dipropylene Glycol	338.0 lbs
Methanol	369.0 lbs
Monopropylene Glycol	85.0 lbs
Other	112.0 lbs
Propylene oxide	21.0 lbs
tertiary butyl alcohol	99.0 lbs

283471

05/09/2018 1:58PM

05/09/2018

0.1

90.0

Contaminant	Amount Released
Propylene oxide	90.0 lbs

281227

03/27/2018 5:15PM

03/28/2018

7.71666666667

475.76

Contaminant	Amount Released
Acetic acid	19.77 lbs
Butyl alcohol, tert-	22.07 lbs
Dipropylene Glycol	0.15 lbs
Formic acid	8.69 lbs
Isobutene	405.75 lbs
Monopropylene Glycol	1.02 lbs
Other material	18.27 lbs
Tert Butylhydroperoxide	0.04 lbs

280546

03/16/2018 2:17PM

03/16/2018

0.0333333333333

1885.9

Contaminant	Amount Released
Acetic acid	0.1 lbs
Acetone	113.6 lbs
Butane, N-	7.6 lbs
Formic acid	2.3 lbs
Isobutane	366.0 lbs
Isobutylene	0.9 lbs
Methanol	6.7 lbs
Methyl ethyl ketone	3.1 lbs
Propane	2.8 lbs
Propylene oxide	1.4 lbs
t-Butyl Alcohol	1,381.4 lbs

276521

01/16/2018 7:05PM

01/16/2018

0.3

1297.1

Contaminant	Amount Released
Acetone	15.9 lbs
Butane, N-	6.3 lbs
Butyl alcohol, tert-	181.8 lbs
Carbon Monoxide	221.8 lbs
Isobutane	477.8 lbs
Isobutene	3.3 lbs
Isobutylene Oxide	1.1 lbs
Methyl ethyl ketone	0.9 lbs
NOX	110.7 lbs
Propane	8.1 lbs
Tert Butylhydroperoxide	269.4 lbs

274200

12/09/2017

7.0

83.8

Contaminant	Amount Released
Ethane	15.1 lbs
Propane	7.9 lbs
Propylene	60.8 lbs

272434

08/27/2017 7:02PM

08/27/2017

0.433333333333

1102.0

Contaminant	Amount Released
Nitrogen oxide	1,001.0 lbs
Propylene oxide	101.0 lbs

260355

06/14/2017 4:45PM

06/14/2017

1.48333333333

819.66

Contaminant	Amount Released
Acetone	1.27 lbs
Carbon Monoxide	230.5 lbs
Ethane	1.74 lbs
Nitrogen oxide	115.46 lbs
Opacity	0 lbs
Propane	43.75 lbs
Propylene (Propene)	373.4 lbs
Propylene oxide	31.09 lbs
Tert Butylhydroperoxide	0.23 lbs
t-Butyl Alcohol	22.22 lbs

269517

04/04/2017 11:05AM

04/04/2017

2.83333333333

100.0

Contaminant	Amount Released
Propylene oxide	100.0 lbs

275589

01/03/2017 7:30AM

01/03/2017

1.58333333333

180.0

Contaminant	Amount Released
t-Butyl Alcohol	180.0 lbs

249406

12/27/2016 5:21PM

12/27/2016

0.0333333333333

2125.4

Contaminant	Amount Released
Acetic acid	0.08 lbs
Acetone	128.06 lbs
Butane, N-	8.53 lbs
Butyl alcohol, tert-	1,557.03 lbs
Formic acid	2.61 lbs
Isobutane	412.48 lbs
Isobutene	0.91 lbs
Methanol	7.5 lbs
Methyl ethyl ketone	3.48 lbs
Propane	3.15 lbs
Propylene oxide	1.57 lbs

242788

09/02/2016 9:00PM

09/03/2016

20.0

805.7

Contaminant	Amount Released
Acetic acid	151.4 lbs
Butyl acetate, tert-	30.0 lbs
Isobutanol	33.9 lbs
Isobutylene	60.0 lbs
Other	6.9 lbs
Tert-Butyl Formate	175.9 lbs
t-Butyl Alcohol	347.6 lbs

242304

08/25/2016 11:53AM

08/25/2016

0.0333333333333

2001.0

Contaminant	Amount Released
Acetone	115.0 lbs
Carbon Monoxide	46.32 lbs
Isobutane	371.0 lbs
Other	68.68 lbs
tert-butyl alcohol	1,400.0 lbs

226938

01/31/2016 11:29AM

01/31/2016

0.0166666666667

1368.73

Contaminant	Amount Released
Acetone	82.47 lbs
Formic acid	1.68 lbs
Isobutane	265.64 lbs
Isobutylene	0.59 lbs
Methanol	4.83 lbs
Methyl ethyl ketone (MEK)	2.24 lbs
Propane	2.03 lbs
Propylene oxide	1.01 lbs
n-butane	5.5 lbs
t-Butyl Alcohol	1,002.74 lbs

221199

10/05/2015 3:25PM

11/26/2015

1253.25

Contaminant	Amount Released

220454

09/21/2015 10:00AM

10/01/2015

240.0

Contaminant	Amount Released

210523

02/23/2015 6:30AM

02/23/2015

0.75

Contaminant	Amount Released

209024

01/21/2015 9:12AM

01/21/2015

0.816666666667

317.0

Contaminant	Amount Released
Acetone	16.0 lbs
Isobutylene Oxide	2.0 lbs
Methyl ethyl ketone (MEK)	1.0 lbs
t-Butyl Alcohol	298.0 lbs

208844

01/18/2015 2:30PM

01/18/2015

3.5

2350.0

Contaminant	Amount Released
Acetone	176.0 lbs
Carbon Monoxide	190.0 lbs
Ethane	1.0 lbs
Formic acid	3.0 lbs
Isobutane	796.0 lbs
Isobutylene Oxide	1.0 lbs
Methanol	10.0 lbs
Methyl ethyl ketone (MEK)	4.0 lbs
Nitrogen dioxide	4.0 lbs
Nitrogen oxide	84.0 lbs
Propane	20.0 lbs
Propylene (Propene)	111.0 lbs
Propylene oxide	14.0 lbs
n-butane	25.0 lbs
t-Butyl Alcohol	911.0 lbs

205362

10/19/2014 3:43PM

10/19/2014

5.76666666667

3460.48

Contaminant	Amount Released
Acetone	138.03 lbs
Carbon Monoxide	712.31 lbs
Ethane	10.87 lbs
Isobutane	1,570.96 lbs
Isobutylene	3.33 lbs
Isobutylene Oxide	5.85 lbs
Methanol	4.96 lbs
Nitrogen oxide	305.62 lbs
Propane	32.7 lbs
Propylene (Propene)	75.09 lbs
Propylene oxide	266.01 lbs
n-butane	80.29 lbs
t-Butyl Alcohol	254.46 lbs

201669

07/30/2014 8:50AM

07/30/2014

1.33333333333

401.55

Contaminant	Amount Released
Acetone	14.66 lbs
Isobutylene	12.0 lbs
Methanol	1.53 lbs
Methyl ethyl ketone (MEK)	1.21 lbs
t-Butyl Alcohol	372.15 lbs

200046

06/21/2014 11:52PM

06/24/2014

56.1166666667

Contaminant	Amount Released

200070

06/19/2014

06/22/2014

76.8833333333

15500.0

Contaminant	Amount Released
Acetone	0 lbs
Isobutylene	7,500.0 lbs
Isobutylene Oxide	8,000.0 lbs

193770

02/03/2014 6:45AM

02/03/2014

0.0833333333333

Contaminant	Amount Released

191925

12/12/2013 8:30AM

12/12/2013

13.95

211.74

Contaminant	Amount Released
Propylene oxide	211.74 lbs

184524

06/20/2013 12:44AM

06/20/2013

3.0

4162.24

Contaminant	Amount Released
Acetone	109.83 lbs
Carbon Monoxide	661.35 lbs
Ethane	5.56 lbs
Formic acid	1.8 lbs
Isobutane	1,343.81 lbs
Isobutylene	81.51 lbs
Methanol	6.1 lbs
Methyl ethyl ketone (MEK)	3.5 lbs
Nitrogen oxide	278.2 lbs
Propane	80.52 lbs
Propylene (Propene)	342.62 lbs
Propylene oxide	76.79 lbs
Tert Butylhydroperoxide	3.7 lbs
n-butane	59.76 lbs
t-Butyl Alcohol	1,107.19 lbs

184062

06/12/2013 2:14PM

06/12/2013

0.1

2282.0

Contaminant	Amount Released
Acetone	4.1 lbs
Carbon Monoxide	613.3 lbs
Ethane	60.3 lbs
Nitrogen dioxide	15.4 lbs
Nitrogen oxide	291.8 lbs
Propane	155.9 lbs
Propylene (Propene)	798.4 lbs
Propylene oxide	69.2 lbs
Tert Butylhydroperoxide	0.3 lbs
t-Butyl Alcohol	273.3 lbs

180979

03/27/2013 6:15PM

03/28/2013

10.25

Contaminant	Amount Released

177150

12/13/2012 7:58PM

12/14/2012

4.05

273.5

Contaminant	Amount Released
t-Butyl Alcohol	273.5 lbs

173625

09/16/2012 8:45AM

09/16/2012

1.0

417.0

Contaminant	Amount Released
Propylene (Propene)	417.0 lbs

172321

08/15/2012 3:40AM

08/15/2012

0.416666666667

119.51

Contaminant	Amount Released
Propylene oxide	119.51 lbs

171960

08/06/2012 7:18AM

08/06/2012

0.916666666667

147.0

Contaminant	Amount Released
Isobutylene	147.0 lbs

152768

04/01/2011 6:55PM

04/01/2011

3.0

791.14

Contaminant	Amount Released
Acetone	12.31 lbs
Carbon Monoxide	148.97 lbs
Isobutane	523.48 lbs
NOX	74.62 lbs
t-Butyl Alcohol	31.76 lbs

149339

01/12/2011 4:05AM

01/12/2011

0.25

973.2

Contaminant	Amount Released
Carbon Monoxide	266.7 lbs
NOX	133.6 lbs
Particulate Matter	2.7 lbs
Propane	61.8 lbs
Propylene (Propene)	373.3 lbs
Propylene oxide	25.8 lbs
t-Butyl Alcohol	109.3 lbs

148737

12/22/2010 3:07PM

12/23/2010

8.88333333333

28124.19

Contaminant	Amount Released
Acetic acid	1.7 lbs
Acetone	1,777.8 lbs
Butyl alcohol, tert-	1,436.0 lbs
Carbon Monoxide	677.3 lbs
Formic acid	14.57 lbs
Isobutane	17,290.6 lbs
Isobutylene	451.0 lbs
Isobutylene Oxide	70.6 lbs
Methanol	135.4 lbs
Methyl ethyl ketone (MEK)	8.2 lbs
Monopropylene Glycol	5.5 lbs
Nitrogen dioxide	121.7 lbs
Nitrogen oxide	171.3 lbs
Particulate Matter	11.97 lbs
Propane	423.9 lbs
Propylene (Propene)	304.0 lbs
Propylene oxide	130.7 lbs
Tert Butylhydroperoxide	131.9 lbs
Unspeciated VOCs	2.4 lbs
n-butane	586.65 lbs
tert-butyl alcohol	4,371.0 lbs

146804

10/29/2010 9:36PM

10/29/2010

0.0166666666667

494.0

Contaminant	Amount Released
Tert Butylhydroperoxide	73.0 lbs
t-Butyl Alcohol	421.0 lbs

143806

08/19/2010 2:45PM

08/19/2010

3.13333333333

140.0

Contaminant	Amount Released
Acetone	8.0 lbs
Butyl alcohol, tert-	111.0 lbs
Formic acid	1.0 lbs
Tert Butylhydroperoxide	19.0 lbs
Unspeciated VOCs	1.0 lbs

141012

06/13/2010 7:12AM

06/13/2010

6.0

14.26

Contaminant	Amount Released
Tert Butylhydroperoxide	14.26 lbs

137698

03/30/2010 1:30PM

03/31/2010

16.5

2287.6

Contaminant	Amount Released
Acetic acid	0.8 lbs
Acetone	0.9 lbs
Formic acid	0.5 lbs
Other material	39.2 lbs
Propane	148.0 lbs
Propylene (Propene)	1,728.0 lbs
Propylene oxide	292.0 lbs
Tert Butylhydroperoxide	1.2 lbs
t-Butyl Alcohol	77.0 lbs

135521

02/05/2010 12:30PM

02/05/2010

3.18333333333

5832.0

Contaminant	Amount Released
Acetone	521.0 lbs
Butyl alcohol, tert-	1.0 lbs
Carbon Monoxide	120.0 lbs
Formic acid	1.0 lbs
Isobutane	3,427.0 lbs
Isobutylene	13.0 lbs
Isobutylene Oxide	6.0 lbs
Methanol	18.0 lbs
Methyl ethyl ketone (MEK)	6.0 lbs
NOX	57.0 lbs
Propane	44.0 lbs
Propylene (Propene)	104.0 lbs
Propylene oxide	9.0 lbs
Tert Butylhydroperoxide	5.0 lbs
n-butane	141.0 lbs
t-Butyl Alcohol	1,359.0 lbs

134242

01/10/2010 10:30AM

01/11/2010

24.0

Contaminant	Amount Released

134224

01/09/2010 8:56AM

01/09/2010

0.05

18.46

Contaminant	Amount Released
Acetone	2.32 lbs
Butyl alcohol, tert-	15.78 lbs
Methyl ethyl ketone (MEK)	0.36 lbs

134223

01/08/2010 8:29AM

01/10/2010

56.35

280.0

Contaminant	Amount Released
Butyl alcohol, tert-	245.0 lbs
Tert Butylhydroperoxide	35.0 lbs

129828

09/23/2009 10:47PM

09/23/2009

0.0166666666667

1166.12

Contaminant	Amount Released
Acetone	71.6 lbs
Butyl alcohol, tert-	236.9 lbs
Isobutane	805.1 lbs
Isobutylene	2.72 lbs
Methanol	11.7 lbs
Other material	7.6 lbs
Propane	4.8 lbs
n-butane	25.7 lbs

128731

08/27/2009 7:54AM

08/27/2009

0.0166666666667

352.0

Contaminant	Amount Released
Acetone	34.0 lbs
Butyl alcohol, tert-	207.0 lbs
Isobutane	107.0 lbs
Propane	2.0 lbs
n-butane	2.0 lbs

127160

07/22/2009 3:17PM

07/22/2009

0.416666666667

357.0

Contaminant	Amount Released
Propylene oxide	357.0 lbs

126661

07/08/2009 6:00AM

07/09/2009

26.5

98.2

Contaminant	Amount Released
Propylene (Propene)	98.2 lbs

123936

05/07/2009 2:02AM

05/07/2009

1.75

4337.357

Contaminant	Amount Released
Acetone	418.6 lbs
Carbon Monoxide	0.504 lbs
Isobutane	1,321.9 lbs
Isobutylene	1.8 lbs
NOX	0.059 lbs
Propane	26.5 lbs
Tert Butylhydroperoxide	0.094 lbs
n-butane	26.5 lbs
tert-butyl alcohol	2,541.4 lbs

134564

01/16/2009 7:16PM

01/16/2009

0.25

445.82

Contaminant	Amount Released
Acetone	0.06 lbs
Carbon Monoxide	133.78 lbs
Nitrogen oxide	67.01 lbs
Propane	31.18 lbs
Propylene (Propene)	211.16 lbs
Propylene oxide	1.58 lbs
t-Butyl Alcohol	1.05 lbs