AFTON CHEMICAL CORPORATION
Quick Summary
- •Released 4,245 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
1000 N SOUTH ST
PASADENA, TX 77503
View on map ↗ - County
- HARRIS County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325199
- Inspections
- 6 · last Feb 21, 2026
- Total Penalties
- $0 · last Nov 15, 2017
- Registry ID
- 110067263071
How This Compares
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 995 | — |
| 2016 | 4,754 | +378% |
| 2017 | 4,245 | -11% |
| 2018 | 5,385 | +27% |
| 2019 | 4,966 | -8% |
| 2020 | 7,372 | +48% |
| 2021 | 7,301 | -1% |
| 2022 | 6,865 | -6% |
| 2023 | 6,922 | +1% |
| 2024 | 7,152 | +3% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Phenol | 1,951 | 1,951 | — | — | 3,126 | |
| 1,2,4-Trimethylbenzene | 1,900 | 1,900 | — | — | 2,097 | |
| Boron trifluoride | 1,178 | 1,178 | — | — | 6,611 | |
| Chlorine | 487 | 487 | — | — | — | |
| Xylene (mixed isomers) | 385 | 385 | — | — | 209 | |
| Zinc compounds | 323 | 323 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 265 | 265 | — | — | 287 | |
| Cumene | 159 | 159 | — | — | 104 | ♦ Carcinogen |
| Maleic anhydride | 132 | 132 | — | — | 132,026 | |
| Formaldehyde | 99 | 99 | — | — | 1,107 | ♦ Carcinogen |
| o-Cresol | 88 | 88 | — | — | 22,823 | |
| Naphthalene | 86 | 86 | — | — | 195 | ♦ Carcinogen |
| Methanol | 78 | 78 | — | — | 22,951 | |
| Diphenylamine | 23 | 23 | — | — | — | |
| Ethylene glycol | 1 | 1 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| 1,2,4-Trimethylbenzene | 1,968 | 1,968 | — | — | 529 | |
| Phenol | 1,771 | 1,771 | — | — | 2,698 | |
| Boron trifluoride | 1,149 | 1,149 | — | — | 2,348 | |
| Chlorine | 487 | 487 | — | — | — | |
| Xylene (mixed isomers) | 428 | 428 | — | — | 220 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 241 | 241 | — | — | — | |
| Cumene | 175 | 175 | — | — | 105 | ♦ Carcinogen |
| Zinc compounds | 168 | 168 | — | — | — | |
| o-Cresol | 134 | 134 | — | — | 2,383 | |
| Maleic anhydride | 133 | 133 | — | — | 112,033 | |
| Naphthalene | 99 | 99 | — | — | 7 | ♦ Carcinogen |
| Formaldehyde | 90 | 90 | — | — | 1,547 | ♦ Carcinogen |
| Methanol | 61 | 61 | — | — | 23,703 | |
| Diphenylamine | 21 | 21 | — | — | — | |
| Ethylene glycol | 0 | 0 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylbenzene | — | — | — | — | 1 | ♦ Carcinogen |
| Boron trifluoride | 1,933 | 1,933 | — | — | 6,764 | |
| 1,2,4-Trimethylbenzene | 1,619 | 1,619 | — | — | 22 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 988 | 988 | — | — | — | |
| Chlorine | 927 | 927 | — | — | — | |
| Xylene (mixed isomers) | 442 | 442 | — | — | 77 | |
| Zinc compounds | 247 | 247 | — | — | — | |
| Maleic anhydride | 198 | 198 | — | — | 190,930 | |
| Cumene | 176 | 176 | — | — | 4 | ♦ Carcinogen |
| Naphthalene | 115 | 115 | — | — | 6 | ♦ Carcinogen |
| o-Cresol | 105 | 105 | — | — | 3,794 | |
| Methanol | 73 | 73 | — | — | 22,120 | |
| Formaldehyde | 15 | 15 | — | — | 1,385 | ♦ Carcinogen |
| Diphenylamine | 15 | 15 | — | — | — | |
| Phenol | 13 | 13 | — | — | 4,450 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylbenzene | — | — | — | — | 1 | ♦ Carcinogen |
| Boron trifluoride | 1,933 | 1,933 | — | — | 7,337 | |
| 1,2,4-Trimethylbenzene | 1,593 | 1,593 | — | — | 24 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 992 | 992 | — | — | — | |
| Chlorine | 927 | 927 | — | — | — | |
| Zinc compounds | 622 | 622 | — | — | — | |
| Xylene (mixed isomers) | 325 | 325 | — | — | 77 | |
| o-Cresol | 214 | 214 | — | — | 3,031 | |
| Maleic anhydride | 206 | 206 | — | — | 193,177 | |
| Phenol | 137 | 137 | — | — | 3,130 | |
| Cumene | 132 | 132 | — | — | 4 | ♦ Carcinogen |
| Formaldehyde | 86 | 86 | — | — | 827 | ♦ Carcinogen |
| Methanol | 60 | 60 | — | — | 22,014 | |
| Naphthalene | 58 | 58 | — | — | 145 | ♦ Carcinogen |
| Diphenylamine | 14 | 14 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylbenzene | — | — | — | — | 39 | ♦ Carcinogen |
| Boron trifluoride | 1,920 | 1,920 | — | — | — | |
| 1,2,4-Trimethylbenzene | 1,633 | 1,633 | — | — | 802 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 988 | 988 | — | — | — | |
| Chlorine | 927 | 927 | — | — | — | |
| Zinc compounds | 842 | 842 | — | — | — | |
| Xylene (mixed isomers) | 317 | 317 | — | — | 392 | |
| o-Cresol | 185 | 185 | — | — | 8,577 | |
| Maleic anhydride | 130 | 130 | — | — | 202,152 | |
| Cumene | 129 | 129 | — | — | 139 | ♦ Carcinogen |
| Formaldehyde | 101 | 101 | — | — | 830 | ♦ Carcinogen |
| Phenol | 70 | 70 | — | — | 5,953 | |
| Methanol | 60 | 60 | — | — | 26,858 | |
| Naphthalene | 55 | 55 | — | — | 12 | ♦ Carcinogen |
| Diphenylamine | 15 | 15 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Boron trifluoride | 1,879 | 1,879 | — | — | — | |
| 1,2,4-Trimethylbenzene | 1,448 | 1,448 | — | — | 1,422 | |
| Chlorine | 927 | 927 | — | — | — | |
| Zinc compounds | 382 | 382 | — | — | — | |
| o-Cresol | 198 | 198 | — | — | 2,783 | |
| Maleic anhydride | 132 | 132 | — | — | 229,777 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylbenzene | — | — | — | — | 40 | ♦ Carcinogen |
| Naphthalene | — | — | — | — | 6 | ♦ Carcinogen |
| Boron trifluoride | 1,900 | 1,900 | — | — | — | |
| 1,2,4-Trimethylbenzene | 1,053 | 1,053 | — | — | 1,456 | |
| Chlorine | 920 | 920 | — | — | — | |
| Zinc compounds | 472 | 472 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 339 | 339 | — | — | — | |
| o-Cresol | 154 | 154 | — | — | 3,415 | |
| Methanol | 138 | 138 | — | — | 24,373 | |
| Xylene (mixed isomers) | 134 | 134 | — | — | 485 | |
| Formaldehyde | 100 | 100 | — | — | 738 | ♦ Carcinogen |
| Phenol | 75 | 75 | — | — | 3,444 | |
| Cumene | 61 | 61 | — | — | 242 | ♦ Carcinogen |
| Maleic anhydride | 31 | 31 | — | — | 220,326 | |
| Diphenylamine | 8 | 8 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylbenzene | — | — | — | — | 9 | ♦ Carcinogen |
| Naphthalene | — | — | — | — | 8 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 1,319 | 1,319 | — | — | 336 | |
| Boron trifluoride | 1,221 | 1,221 | — | — | — | |
| Zinc compounds | 495 | 495 | — | — | — | |
| Chlorine | 374 | 374 | — | — | — | |
| o-Cresol | 223 | 223 | — | — | 4,762 | |
| Xylene (mixed isomers) | 184 | 184 | — | — | 112 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 124 | 124 | — | — | — | |
| Formaldehyde | 112 | 112 | — | — | 719 | ♦ Carcinogen |
| Cumene | 83 | 83 | — | — | 56 | ♦ Carcinogen |
| Phenol | 78 | 78 | — | — | 3,909 | |
| Maleic anhydride | 21 | 21 | — | — | 226,536 | |
| Methanol | 7 | 7 | — | — | 23,719 | |
| Diphenylamine | 4 | 4 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | 3 | ♦ Carcinogen |
| Ethylbenzene | — | — | — | — | 14 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 1,732 | 1,732 | — | — | 517 | |
| Boron trifluoride | 1,209 | 1,209 | — | — | — | |
| Zinc compounds | 461 | 461 | — | — | — | |
| Chlorine | 394 | 394 | — | — | — | |
| Xylene (mixed isomers) | 250 | 250 | — | — | — | |
| o-Cresol | 228 | 228 | — | — | 6,461 | |
| Formaldehyde | 131 | 131 | — | — | 712 | ♦ Carcinogen |
| Cumene | 116 | 116 | — | — | 86 | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 108 | 108 | — | — | — | |
| Phenol | 79 | 79 | — | — | 5,742 | |
| Maleic anhydride | 21 | 21 | — | — | 17,568 | |
| Methanol | 19 | 19 | — | — | 22,617 | |
| Diphenylamine | 6 | 6 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylbenzene | — | — | — | — | 32 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 450 | 450 | — | — | 526 | |
| Xylene (mixed isomers) | 177 | 177 | — | — | 176 | |
| Zinc compounds | 115 | 115 | — | — | — | |
| Boron trifluoride | 67 | 67 | — | — | — | |
| o-Cresol | 57 | 57 | — | — | 492 | |
| Formaldehyde | 31 | 31 | — | — | 232 | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 27 | 27 | — | — | — | |
| Cumene | 24 | 24 | — | — | 93 | ♦ Carcinogen |
| Phenol | 15 | 15 | — | — | 352 | |
| Chlorine | 13 | 13 | — | — | — | |
| Maleic anhydride | 6 | 6 | — | — | 34,009 | |
| Methanol | 6 | 6 | — | — | 7,676 | |
| Naphthalene | 5 | 5 | — | — | 8 | ♦ Carcinogen |
| Diphenylamine | 2 | 2 | — | — | — |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 889,266 |
| Xylene (mixed isomers) | — | — | — | 108 |
| Phenol | — | — | — | 1,774 |
| 1,2,4-Trimethylbenzene | — | — | 1,559 | 31 |
| Maleic anhydride | — | — | — | 131,960 |
| Boron trifluoride | — | — | — | 11,729 |
| Cumene | — | — | — | 1 |
| Formaldehyde | — | — | — | 228 |
| Methanol | — | — | — | 963 |
| Naphthalene | — | — | — | 195 |
| Chlorine | — | — | — | 864 |
| o-Cresol | — | — | — | 21,789 |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
|
Cumene | 104 | — | — | — |
|
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
|
Xylene (mixed isomers) | — | — | — | 104 |
|
VEOLIA TECHNICAL SOLUTIONS LLC
SAUGET, IL
|
Boron trifluoride | — | — | — | 6,611 |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
1,2,4-Trimethylbenzene | — | — | — | 17 |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
1,2,4-Trimethylbenzene | — | — | 1,559 | — |
|
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
|
1,2,4-Trimethylbenzene | 521 | — | — | — |
|
INTERGULF
PASADENA, TX
|
Methanol | 3,446 | — | — | — |
|
SOUTHWEST SHIPYARD
CHANNELVIEW, TX
|
Methanol | 630 | — | — | — |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Methanol | — | — | — | 525 |
|
US ECOLOGY WINNIE
WINNIE, TX
|
Methanol | 17,694 | — | — | — |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Maleic anhydride | — | — | — | 131,877 |
|
TRADEBE TREATMENT & RECYCLING OF TN, LLC
MILLINGTON, TN
|
Maleic anhydride | 149 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Naphthalene | — | — | — | 135 |
|
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
|
Naphthalene | — | — | — | 60 |
|
INTERGULF
PASADENA, TX
|
o-Cresol | — | — | — | 18 |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
o-Cresol | — | — | — | 300 |
|
SOUTHWEST SHIPYARD
CHANNELVIEW, TX
|
o-Cresol | 25 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
o-Cresol | — | — | — | 20,259 |
|
US ECOLOGY WINNIE
WINNIE, TX
|
o-Cresol | 708 | — | — | — |
|
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
|
o-Cresol | 155 | — | — | — |
|
VEOLIA TECHNICAL SOLUTIONS LLC
SAUGET, IL
|
o-Cresol | — | — | — | 1,212 |
|
INTERGULF
PASADENA, TX
|
Phenol | — | — | — | 18 |
|
VEOLIA ES TECHNICAL SOLUTIONS
PORT ARTHUR, TX
|
Phenol | 230 | — | — | — |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Phenol | — | — | — | 100 |
|
SOUTHWEST SHIPYARD
CHANNELVIEW, TX
|
Phenol | 25 | — | — | — |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Phenol | 242 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Phenol | — | — | — | 203 |
|
US ECOLOGY WINNIE
WINNIE, TX
|
Phenol | 708 | — | — | — |
|
VEOLIA TECHNICAL SOLUTIONS LLC
SAUGET, IL
|
Phenol | — | — | — | 1,212 |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 287 |
|
INTERGULF
PASADENA, TX
|
Formaldehyde | 9 | — | — | — |
|
SOUTHWEST SHIPYARD
CHANNELVIEW, TX
|
Formaldehyde | 25 | — | — | — |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Formaldehyde | — | — | — | 210 |
|
US ECOLOGY WINNIE
WINNIE, TX
|
Formaldehyde | 708 | — | — | — |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| caa | — | — | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Sep 18, 2025 | Oct 13, 2025 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Nov 14, 2024 | Dec 6, 2024 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Nov 14, 2024 | Feb 19, 2025 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Nov 14, 2024 | Mar 6, 2025 | Resolved |
| rcra | Land Disposal Restrictions: General | Nov 14, 2024 | Feb 19, 2025 | Resolved |
| cwa | Schedule Event unachieved but reported | Feb 14, 2023 | Apr 10, 2023 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 14, 2023 | Apr 10, 2023 | Resolved |
| cwa | Schedule Event reported late | Feb 14, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 14, 2023 | — | Open |
| rcra | Land Disposal Restrictions: General | May 5, 2022 | Aug 1, 2022 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | May 5, 2022 | Jun 28, 2022 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | May 5, 2022 | Jun 28, 2022 | Resolved |
| caa | HPV | Feb 22, 2017 | May 15, 2018 | Resolved |
| caa | FRV | Jan 10, 2017 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Feb 18, 2016 | Mar 3, 2016 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Feb 18, 2016 | Feb 24, 2016 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Jan 23, 2014 | — | Open |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Feb 27, 2013 | Mar 25, 2013 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Feb 27, 2013 | Mar 28, 2013 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Feb 27, 2013 | Mar 4, 2013 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Feb 27, 2013 | Mar 4, 2013 | Resolved |
| rcra | Land Disposal Restrictions: General | Jul 28, 2010 | Aug 25, 2010 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jul 28, 2010 | Aug 25, 2010 | Resolved |
| rcra | Land Disposal Restrictions: General | Jun 9, 2006 | Jun 15, 2006 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jun 9, 2006 | Jun 15, 2006 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Jun 9, 2006 | Jun 15, 2006 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jan 23, 2006 | Jul 26, 2006 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jul 27, 2004 | Aug 18, 2004 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Jul 27, 2004 | Nov 30, 2004 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Aug 24, 1993 | Apr 28, 1997 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Aug 24, 1993 | Apr 28, 1997 | Resolved |
| rcra | Standards for the Management of Specific HW and Specific Types of HW Management Facilities: Hazardous Waste Burned in Boilers and Industrial Furnaces | Aug 24, 1993 | Apr 28, 1997 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.