Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
PASADENA PLANT
Quick Summary
- •Released 89,006 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 $29,293 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
2500 N. SOUTH STREET
PASADENA, TX 77503
View on map ↗ - County
- HARRIS County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325199
- Inspections
- 6 · last Jul 10, 2025
- Total Penalties
- $29,293 · last Jul 15, 2025
- Registry ID
- 110056955987
How This Compares
#162
of 1,879 TRI reporters in TX
#1,187
of 16,877 TRI reporters in Manufacturing
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.
3
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
2
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
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.
Emissions Trend (2015–2024)
+1% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 95,965 | — |
| 2016 | 59,890 | -38% |
| 2017 | 89,006 | +49% |
| 2018 | 102,921 | +16% |
| 2019 | 2,449 | -98% |
| 2020 | 75,513 | +2983% |
| 2021 | 92,337 | +22% |
| 2022 | 106,262 | +15% |
| 2023 | 102,111 | -4% |
| 2024 | 96,865 | -5% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 43,785 | 43,785 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 19,612 | 19,612 | — | — | — | |
| Aluminum (fume or dust) | 13,724 | 13,724 | — | — | — | |
| n-Hexane | 7,745 | 7,735 | 5 | 5 | 1,140 | |
| o-Toluidine | 4,018 | 4,008 | 5 | 5 | 1,210 | ♦ Carcinogen |
| Chloroethane | 2,107 | 2,102 | 5 | — | — | |
| Cyclohexane | 2,090 | 2,080 | 5 | 5 | 53 | |
| Chloromethane | 1,943 | 1,938 | 5 | — | — | |
| Diaminotoluene (mixed isomers) | 1,831 | 1,821 | 5 | 5 | 1,180 | ♦ Carcinogen |
| Chlorine | 10 | 10 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 49,766 | 49,766 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 16,070 | 16,070 | — | — | — | |
| Aluminum (fume or dust) | 16,002 | 16,002 | — | — | — | |
| n-Hexane | 7,236 | 7,226 | 5 | 5 | 670 | |
| o-Toluidine | 3,519 | 3,509 | 5 | 5 | 1,260 | ♦ Carcinogen |
| Biphenyl | 2,703 | 2,693 | 5 | 5 | — | |
| Chloroethane | 2,018 | 2,008 | 5 | 5 | — | |
| Chloromethane | 1,773 | 1,763 | 5 | 5 | — | |
| Cyclohexane | 1,643 | 1,633 | 5 | 5 | 26 | |
| Diaminotoluene (mixed isomers) | 1,364 | 1,354 | 5 | 5 | 2,090 | ♦ Carcinogen |
| Chlorine | 10 | 10 | — | — | — | |
| Lead | 7 | 1 | 6 | 0 | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 55,574 | 55,574 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 16,419 | 16,419 | — | — | — | |
| Aluminum (fume or dust) | 15,875 | 15,870 | — | 5 | — | |
| n-Hexane | 7,283 | 7,278 | 5 | — | 1,406 | |
| o-Toluidine | 3,534 | 3,524 | 5 | 5 | 1,640 | ♦ Carcinogen |
| Chloroethane | 2,029 | 2,019 | 5 | 5 | — | |
| Cyclohexane | 1,803 | 1,793 | 5 | 5 | 69 | |
| Chloromethane | 1,672 | 1,672 | — | — | — | |
| Diaminotoluene (mixed isomers) | 1,461 | 1,451 | 5 | 5 | 9,480 | ♦ Carcinogen |
| Chlorine | 605 | 605 | — | — | — | |
| Lead | 7 | 0 | 7 | 0 | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 45,594 | 45,594 | — | — | — | |
| Aluminum (fume or dust) | 14,928 | 14,923 | — | 5 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 14,015 | 14,015 | — | — | — | |
| n-Hexane | 7,305 | 7,300 | 5 | — | 518 | |
| o-Toluidine | 3,472 | 3,462 | 5 | 5 | 1,040 | ♦ Carcinogen |
| Chloroethane | 2,092 | 2,082 | 5 | 5 | — | |
| Chloromethane | 1,663 | 1,663 | — | — | — | |
| Diaminotoluene (mixed isomers) | 1,351 | 1,341 | 5 | 5 | 2,408 | ♦ Carcinogen |
| Cyclohexane | 810 | 800 | 5 | 5 | 23 | |
| Chlorine | 605 | 605 | — | — | — | |
| Toluene | 502 | 492 | 5 | 5 | 618 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 49,124 | 49,124 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 11,862 | 11,862 | — | — | — | |
| o-Toluidine | 3,327 | 3,325 | 1 | 1 | 833 | ♦ Carcinogen |
| n-Hexane | 2,400 | 2,399 | 1 | — | 1,092 | |
| Aluminum (fume or dust) | 2,353 | 2,353 | — | — | — | |
| Chloroethane | 1,970 | 1,969 | 1 | — | — | |
| Chloromethane | 1,629 | 1,628 | 1 | — | — | |
| Diaminotoluene (mixed isomers) | 1,305 | 1,303 | 1 | 1 | 1,632 | ♦ Carcinogen |
| Cyclohexane | 651 | 650 | 1 | — | 32 | |
| Chlorine | 601 | 601 | — | — | — | |
| Toluene | 291 | 285 | 5 | 1 | 718 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | 1,902 | 1,892 | 5 | 5 | 28 | |
| Toluene | 547 | 537 | 5 | 5 | 669 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 52,705 | 52,705 | — | — | — | |
| Aluminum (fume or dust) | 18,030 | 18,030 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 13,908 | 13,908 | — | — | — | |
| n-Hexane | 6,843 | 6,833 | 5 | 5 | 110 | |
| o-Toluidine | 3,386 | 3,376 | 5 | 5 | 750 | ♦ Carcinogen |
| Cyclohexane | 2,400 | 2,390 | 5 | 5 | 5 | |
| Diaminotoluene (mixed isomers) | 1,742 | 1,732 | 5 | 5 | 495 | ♦ Carcinogen |
| Chloromethane | 1,650 | 1,640 | 5 | 5 | — | |
| Aniline | 1,064 | 1,054 | 5 | 5 | 920 | ♦ Carcinogen |
| Chlorine | 610 | 610 | — | — | — | |
| Biphenyl | 221 | 211 | 5 | 5 | — | |
| Toluene | 179 | 169 | 5 | 5 | 25 | |
| Chloroethane | 145 | 135 | 5 | 5 | — | |
| Zinc compounds | 20 | 10 | 5 | 5 | — | |
| Lead compounds | 18 | 1 | 16 | 1 | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene | 58,919 | 58,919 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 10,949 | 10,949 | — | — | — | |
| n-Hexane | 6,979 | 6,969 | 5 | 5 | 451 | |
| Aluminum (fume or dust) | 3,027 | 3,027 | — | — | — | |
| Cyclohexane | 2,371 | 2,361 | 5 | 5 | 2 | |
| Aniline | 1,975 | 1,965 | 5 | 5 | 1,920 | ♦ Carcinogen |
| Chloromethane | 1,653 | 1,643 | 5 | 5 | — | |
| Toluene | 1,012 | 1,002 | 5 | 5 | 176 | |
| o-Toluidine | 881 | 871 | 5 | 5 | 11,100 | ♦ Carcinogen |
| Chlorine | 610 | 610 | — | — | — | |
| Biphenyl | 221 | 211 | 5 | 5 | — | |
| Chloroethane | 182 | 172 | 5 | 5 | — | |
| Diaminotoluene (mixed isomers) | 147 | 137 | 5 | 5 | 748 | ♦ Carcinogen |
| Zinc compounds | 69 | 59 | 5 | 5 | — | |
| Lead compounds | 11 | 1 | 9 | 1 | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | — | — | — | — | — | |
| Ethylene | 23,300 | 23,300 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 11,600 | 11,600 | — | — | — | |
| n-Hexane | 6,310 | 6,300 | 5 | 5 | 1,400 | |
| o-Toluidine | 3,205 | 2,950 | 5 | 250 | 1,655 | ♦ Carcinogen |
| Aluminum (fume or dust) | 3,005 | 3,005 | — | — | — | |
| Zinc compounds | 2,860 | 2,850 | 5 | 5 | — | |
| Chloroethane | 2,260 | 2,250 | 5 | 5 | — | |
| Cyclohexane | 1,860 | 1,850 | 5 | 5 | 1,000 | |
| Chloromethane | 1,860 | 1,850 | 5 | 5 | — | |
| Diaminotoluene (mixed isomers) | 1,860 | 1,850 | 5 | 5 | 1,450 | ♦ Carcinogen |
| Aniline | 1,255 | 1,000 | 5 | 250 | 2,400 | ♦ Carcinogen |
| Toluene | 510 | 500 | 5 | 5 | 1,350 | |
| Lead compounds | 5 | 1 | 4 | 0 | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| 1,2,4-Trimethylbenzene | — | — | — | — | — | |
| Chlorine | — | — | — | — | — | |
| Ethylene glycol | — | — | — | — | — | |
| Maleic anhydride | — | — | — | — | — | |
| Biphenyl | — | — | — | — | — | |
| Chloroethane | — | — | — | — | — | |
| Chloromethane | — | — | — | — | — | |
| Zinc compounds | — | — | — | — | — | |
| m-Xylene | — | — | — | — | — | |
| Ethylene | 36,000 | 36,000 | — | — | — | |
| Aluminum (fume or dust) | 22,250 | 22,250 | — | — | — | |
| n-Hexane | 14,710 | 14,700 | 5 | 5 | 4,500 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 8,900 | 8,900 | — | — | — | |
| Toluene | 7,505 | 7,250 | 250 | 5 | 8,700 | |
| Cyclohexane | 3,760 | 3,750 | 5 | 5 | 4,500 | |
| Aniline | 1,815 | 1,805 | 5 | 5 | 750 | ♦ Carcinogen |
| o-Toluidine | 755 | 500 | 5 | 250 | 505 | ♦ Carcinogen |
| Diaminotoluene (mixed isomers) | 265 | 255 | 5 | 5 | 2,150 | ♦ Carcinogen |
| Lead compounds | 5 | 1 | 4 | 0 | — |
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 |
|---|---|---|---|---|
| Aluminum (fume or dust) | — | — | — | 273,906 |
| Ethylene | — | — | — | 2,437,000 |
| o-Toluidine | — | — | — | 10,469 |
| n-Hexane | — | 24,957 | — | 246,293 |
| Diaminotoluene (mixed isomers) | — | — | — | 9,387 |
| Chloromethane | — | — | — | 10,101 |
| Chloroethane | — | — | — | 436 |
| Cyclohexane | — | 24,987 | — | 22,326 |
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 |
|---|---|---|---|---|---|
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
n-Hexane | — | — | — | 1,140 |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Cyclohexane | — | — | — | 53 |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Diaminotoluene (mixed isomers) | — | — | — | 1,180 |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
o-Toluidine | — | — | — | 1,210 |
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 | Linked to Viol. Below | — | — | Open |
| caa | — | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jul 10, 2025 | Jul 10, 2025 | Resolved |
| caa | FRV | Jun 13, 2025 | — | Open |
| caa | FRV | Jan 30, 2025 | — | Open |
| caa | FRV | Aug 8, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | May 15, 2023 | May 15, 2023 | Resolved |
| caa | FRV | Feb 21, 2023 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Apr 26, 2021 | Apr 30, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Apr 26, 2021 | Apr 30, 2021 | Resolved |
| rcra | Standards for Used Oil: Generators | Apr 26, 2021 | Apr 30, 2021 | Resolved |
| cwa | Schedule Event achieved late but reported | Apr 15, 2021 | — | Open |
| caa | FRV | Mar 1, 2021 | — | Open |
| caa | FRV | Jul 16, 2020 | — | Open |
| caa | FRV | Dec 16, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 7, 2019 | — | Open |
| cwa | Schedule Event reported late | Oct 7, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 15, 2019 | — | Open |
| caa | FRV | Aug 10, 2018 | — | Open |
| caa | FRV | Oct 11, 2017 | — | Open |
| cwa | Schedule Event reported late | Apr 15, 2017 | — | Open |
| caa | FRV | Feb 15, 2017 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Sep 18, 2015 | Oct 8, 2015 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Sep 18, 2015 | Oct 8, 2015 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Sep 18, 2015 | Nov 13, 2015 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Sep 18, 2015 | Jun 23, 2017 | Resolved |
| rcra | Land Disposal Restrictions: General | Sep 18, 2015 | Oct 8, 2015 | Resolved |
| cwa | Schedule Event unachieved but reported | Nov 17, 2009 | Aug 2, 2010 | Resolved |
| cwa | Schedule Event unachieved and not reported | Nov 17, 2009 | Aug 4, 2010 | Resolved |
| cwa | Schedule Event reported late | Nov 17, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 17, 2009 | — | Open |
| cwa | Schedule Event reported late | Oct 1, 2009 | — | Open |
| cwa | Schedule Event reported late | Jul 1, 2009 | — | Open |
| cwa | Schedule Event reported late | Apr 1, 2009 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Apr 6, 2004 | Jun 29, 2004 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 4, 1994 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Apr 4, 1991 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Oct 25, 1990 | Aug 19, 1991 | Resolved |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Enterococci | DMR, Limited - Numeric Violation | 2,800.00 MPN/100mL | 104.00 | +2,592% | Aug 2025 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 41.00 MPN/100mL | 35.00 | +17% | Aug 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,490.92 kg/d | 1,089.60 | +37% | Jun 2025 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 160.00 MPN/100mL | 104.00 | +54% | Apr 2024 | Open |
| Toluene | DMR, Limited - Numeric Violation | 0.17 kg/d | 0.09 | +85% | Aug 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 187.50 kg/d | 136.20 | +38% | May 2020 | Open |
| Whole effluent toxicity | DMR, Limited - Numeric Violation | 87.50 % | 100.00 | +13% | Dec 2017 | Open |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Jun 2015 | Open |
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.
Date Out of Range
Clean Air Act
· Case 3604086329
Date Out of Range
Clean Air Act
· Case 3604437122
Administrative - Formal
Clean Air Act
· Case 3603543540 · Jul 15, 2025
$10,875
Administrative - Formal
Clean Air Act
· Case 3603535113 · Mar 6, 2023
$1,200
Administrative - Formal
· Case 06-2023-3325 · Mar 6, 2023
$1,200
Administrative - Formal
Clean Air Act
· Case 3602480405 · Jan 30, 2023
$12,230
Administrative - Formal
Clean Air Act
· Case 3602278824 · Aug 24, 2021
$4,988
VERBAL INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXR000004986-8 · Jun 30, 2021
Administrative - Formal
Clean Air Act
· Case 3602092270 · Jul 14, 2020
$6,874
Administrative - Formal
Clean Air Act
· Case 3601761686 · Aug 19, 2019
$9,450
Administrative - Formal
Clean Air Act
· Case 3601761079 · Feb 8, 2019
$0
Administrative - Formal
Clean Air Act
· Case 3601760634 · Nov 15, 2017
$27,938
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXR000004986-7 · May 18, 2017
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TXR000004986-6 · Nov 16, 2015
Administrative - Formal
· Case 06-2011-0956 · Sep 25, 2012
Administrative - Formal
· Case 06-2009-3534 · Mar 5, 2009
$1,050
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste)
· Case RCRA-TXR000004986-5 · May 23, 2005
$3,625
INITIAL 3008(A) COMPLIANCE
RCRA (Hazardous Waste)
· Case RCRA-TXR000004986-4 · Aug 30, 2004
REFERRAL TO ESC ENFORCEMENT SCREEN COMM.
RCRA (Hazardous Waste)
· Case RCRA-TXR000004986-3 · Jul 6, 2004
LETTER OF INTENT TO INITIATE ENFORCEMENT ACTION
RCRA (Hazardous Waste)
· Case RCRA-TXR000004986-2 · Jun 17, 2004
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