Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
CHEMOURS DELISLE PLANT
Quick Summary
- •Released 19,346,480 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 $78,750 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
7685 KILN-DELISLE ROAD
PASS CHRISTIAN, MS 39571
View on map ↗ - County
- HARRISON County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325131
- Inspections
- 12 · last Oct 7, 2025
- Total Penalties
- $78,750 · last Nov 13, 2023
- Registry ID
- 110005985416
How This Compares
#1
of 306 TRI reporters in MS
#7
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.
2
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
4
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
3
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)
-50% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 21,687,565 | — |
| 2016 | 20,048,490 | -8% |
| 2017 | 19,346,480 | -4% |
| 2018 | 15,699,736 | -19% |
| 2019 | 36,746 | -100% |
| 2020 | 12,748,692 | +34594% |
| 2021 | 14,027,506 | +10% |
| 2022 | 13,305,467 | -5% |
| 2023 | 8,288,362 | -38% |
| 2024 | 10,911,781 | +32% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 7,164,495 | 2 | 477 | 7,164,016 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1,445,914 | 7 | 12 | 1,445,895 | — | |
| Vanadium compounds | 1,144,824 | 12 | 313 | 1,144,499 | — | |
| Carbonyl sulfide | 491,440 | 491,440 | — | — | — | |
| Zinc compounds | 235,371 | 146 | 130 | 235,095 | — | |
| Lead compounds | 172,224 | — | 2 | 172,222 | — | |
| Nickel compounds | 98,010 | 11 | 33 | 97,966 | — | ♦ Carcinogen |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 51,691 | 22 | 128 | 51,541 | — | |
| Cobalt compounds | 40,384 | 0 | 6 | 40,378 | — | ♦ Carcinogen |
| Copper compounds | 31,321 | 4 | 34 | 31,283 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 27,410 | 27,410 | — | — | — | |
| Chlorine | 3,355 | 3,355 | — | — | — | |
| Creosote | 1,607 | 0 | — | 1,607 | 16,072 | ♦ Carcinogen |
| Toluene | 1,138 | 1,138 | — | — | 688 | |
| Arsenic compounds | 849 | 1 | 152 | 696 | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 675 | — | 0 | 675 | 4 | ♦ Carcinogen |
| Hexachlorobenzene | 479 | — | 0 | 479 | — | ♦ Carcinogen |
| Pentachlorobenzene | 285 | — | 0 | 285 | — | |
| Polycyclic aromatic compounds | 122 | 1 | — | 121 | 1,210 | ♦ Carcinogen |
| Titanium tetrachloride | 68 | 68 | — | — | — | |
| Octachlorostyrene | 56 | — | 0 | 56 | — | |
| Mercury compounds | 52 | 1 | 1 | 50 | — | |
| Polychlorinated biphenyls | 10 | — | 0 | 10 | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 5,255,612 | 1 | 321 | 5,255,290 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1,232,088 | 6 | 13 | 1,232,069 | — | |
| Vanadium compounds | 834,645 | 9 | 389 | 834,247 | — | |
| Carbonyl sulfide | 343,220 | 343,220 | — | — | — | |
| Zinc compounds | 195,698 | 108 | 103 | 195,487 | 4,130 | |
| Nickel compounds | 146,367 | 9 | 37 | 146,321 | — | ♦ Carcinogen |
| Lead compounds | 131,737 | — | 2 | 131,735 | 534 | |
| Copper compounds | 63,660 | 3 | 27 | 63,630 | — | |
| Cobalt compounds | 31,912 | — | 5 | 31,907 | — | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 24,385 | 24,385 | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 22,734 | 16 | 85 | 22,633 | — | |
| Toluene | 2,162 | 2,162 | — | — | 552 | |
| Chlorine | 1,759 | 1,759 | — | — | — | |
| Arsenic compounds | 616 | 1 | 190 | 425 | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 590 | — | 0 | 590 | 0 | ♦ Carcinogen |
| Hexachlorobenzene | 420 | — | 0 | 420 | — | ♦ Carcinogen |
| Creosote | 304 | — | — | 304 | 12,149 | ♦ Carcinogen |
| Pentachlorobenzene | 250 | — | 0 | 250 | — | |
| Polycyclic aromatic compounds | 91 | 0 | — | 91 | 1,830 | ♦ Carcinogen |
| Octachlorostyrene | 49 | — | 0 | 49 | — | |
| Mercury compounds | 40 | 1 | 1 | 38 | — | |
| Titanium tetrachloride | 13 | 13 | — | — | — | |
| Polychlorinated biphenyls | 9 | — | 0 | 9 | — | ♦ Carcinogen |
2022
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 8,899,536 | 2 | 441 | 8,899,093 | 465 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1,988,119 | 10 | 33 | 1,988,076 | 265 | |
| Vanadium compounds | 1,448,335 | 14 | 539 | 1,447,782 | 31 | |
| Carbonyl sulfide | 806,620 | 806,620 | — | — | — | |
| Zinc compounds | 357,909 | 179 | 156 | 357,574 | 7,647 | |
| Lead compounds | 224,706 | — | 31 | 224,675 | 988 | |
| Nickel compounds | 141,339 | 14 | 253 | 141,072 | 192 | ♦ Carcinogen |
| Cobalt compounds | 52,354 | 1 | 8 | 52,345 | 121 | ♦ Carcinogen |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 42,291 | 27 | 136 | 42,128 | 213 | |
| Copper compounds | 35,090 | 5 | 13 | 35,072 | 4,037 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 12,465 | 12,465 | — | — | — | |
| Antimony compounds | 10,151 | — | 63 | 10,088 | 20 | |
| Toluene | 3,581 | 3,581 | — | — | 1,373 | |
| Chlorine | 2,984 | 2,984 | — | — | — | |
| Dioxin and dioxin-like compounds | 1,022 | 1 | 0 | 1,020 | — | ♦ Carcinogen |
| Arsenic compounds | 486 | 1 | 39 | 446 | 232 | ♦ Carcinogen |
| Hexachlorobenzene | 215 | 24 | 0 | 191 | — | ♦ Carcinogen |
| Pentachlorobenzene | 159 | 12 | 0 | 147 | — | |
| Mercury compounds | 59 | 2 | 16 | 41 | — | |
| Polychlorinated biphenyls | 35 | — | 0 | 35 | — | ♦ Carcinogen |
| Titanium tetrachloride | 23 | 23 | — | — | — | |
| Polycyclic aromatic compounds | 17 | 2 | — | 15 | 171 | ♦ Carcinogen |
| Octachlorostyrene | 10 | — | 0 | 10 | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 7,583,709 | 1 | 330 | 7,583,378 | 318 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 2,565,132 | 7 | 21 | 2,565,104 | 181 | |
| Vanadium compounds | 1,224,798 | 10 | 500 | 1,224,288 | 21 | |
| Carbonyl sulfide | 554,120 | 554,120 | — | — | — | |
| Zinc compounds | 335,554 | 120 | 137 | 335,297 | 5,223 | |
| Lead compounds | 165,996 | — | 29 | 165,967 | 675 | |
| Nickel compounds | 145,016 | 10 | 242 | 144,764 | 131 | ♦ Carcinogen |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 55,189 | 18 | 104 | 55,067 | 146 | |
| Cobalt compounds | 48,993 | — | 7 | 48,986 | — | ♦ Carcinogen |
| Copper compounds | 46,987 | 4 | 11 | 46,972 | 2,757 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 12,179 | 12,179 | — | — | — | |
| Toluene | 3,318 | 3,318 | — | — | 2,618 | |
| Chlorine | 3,185 | 3,185 | — | — | — | |
| Arsenic compounds | 2,217 | 1 | 36 | 2,180 | 157 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1,495 | 1 | 0 | 1,494 | — | ♦ Carcinogen |
| Hexachlorobenzene | 342 | 24 | 0 | 318 | — | ♦ Carcinogen |
| Pentachlorobenzene | 324 | 12 | 0 | 312 | — | |
| Mercury compounds | 64 | 1 | 14 | 49 | — | |
| Octachlorostyrene | 31 | — | 0 | 31 | — | |
| Polychlorinated biphenyls | 17 | — | 0 | 17 | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 13 | 1 | — | 12 | 138 | ♦ Carcinogen |
| Titanium tetrachloride | 13 | 13 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 33,889 | 18 | 112 | 33,759 | 214 | |
| Arsenic compounds | 2,406 | 1 | 34 | 2,371 | 8 | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 364 | 1 | 0 | 362 | 0 | ♦ Carcinogen |
| Pentachlorobenzene | 87 | 12 | 0 | 75 | — |
2018
2017
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 11,291,758 | 44 | 159 | 11,291,555 | 1,669 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 5,138,086 | 26 | 197 | 5,137,863 | 717 | |
| Vanadium compounds | 1,638,456 | 5 | 1,415 | 1,637,036 | 1,699 | |
| Carbonyl sulfide | 598,180 | 598,180 | — | — | — | |
| Zinc compounds | 472,526 | 58 | 245 | 472,223 | 3,897 | |
| Lead compounds | 244,175 | 37 | 17 | 244,121 | 89 | |
| Nickel compounds | 183,280 | 35 | 401 | 182,844 | 1,468 | ♦ Carcinogen |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 132,844 | 16 | 177 | 132,651 | 2,432 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 93,360 | 93,360 | — | — | — | |
| Cobalt compounds | 76,449 | 9 | 33 | 76,407 | 452 | ♦ Carcinogen |
| Copper compounds | 61,401 | 2 | 49 | 61,350 | 821 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 59,586 | 59,586 | — | — | — | |
| Cadmium compounds | 36,509 | 7 | 25 | 36,477 | 133 | ♦ Carcinogen |
| Arsenic compounds | 12,589 | 36 | 177 | 12,376 | 1,322 | ♦ Carcinogen |
| Toluene | 4,096 | 4,096 | — | — | 366 | |
| Chlorine | 2,809 | 2,809 | — | — | — | |
| Dioxin and dioxin-like compounds | 1,287 | 8 | 0 | 1,279 | 1 | ♦ Carcinogen |
| Hexachlorobenzene | 288 | 22 | 0 | 266 | — | ♦ Carcinogen |
| Pentachlorobenzene | 280 | 11 | 0 | 269 | — | |
| Creosote | 212 | 21 | — | 191 | 8,469 | ♦ Carcinogen |
| Mercury compounds | 199 | 8 | 1 | 190 | — | |
| Polycyclic aromatic compounds | 63 | 6 | — | 57 | 638 | ♦ Carcinogen |
| Octachlorostyrene | 24 | — | 0 | 24 | — | |
| Titanium tetrachloride | 22 | 22 | — | — | — | |
| Polychlorinated biphenyls | 10 | — | 0 | 10 | — | ♦ Carcinogen |
2015
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 |
|---|---|---|---|---|
| Toluene | — | — | — | 688 |
| Carbonyl sulfide | — | — | — | 6,815,161 |
| Titanium tetrachloride | — | — | — | 4,650,961 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 707,605 |
| Chlorine | — | — | — | 831,405 |
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 |
|---|---|---|---|---|---|
|
WASTE MANAGEMENT PECAN GROVE NON-HAZARDOUS LANDFILL
PASS CHRISTIAN, MS
|
Creosote | 16,072 | — | — | — |
|
WASTE MANAGEMENT PECAN GROVE NON-HAZARDOUS LANDFILL
PASS CHRISTIAN, MS
|
Dioxin and dioxin-like compounds | 4 | — | — | — |
|
WASTE MANAGEMENT PECAN GROVE NON-HAZARDOUS LANDFILL
PASS CHRISTIAN, MS
|
Polycyclic aromatic compounds | 1,210 | — | — | — |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Toluene | — | — | — | 688 |
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 | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Oct 7, 2025 | Oct 22, 2025 | Resolved |
| rcra | Violation of a permit condition or requirement | Oct 7, 2025 | Oct 22, 2025 | Resolved |
| rcra | Standards for Used Oil: Generators | Oct 7, 2025 | Oct 7, 2025 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Tank Systems | Oct 7, 2025 | — | Open |
| cwa | Effluent Violations - Unauthorized Discharge | Feb 1, 2025 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | May 15, 2024 | May 15, 2024 | Resolved |
| caa | HPV | Aug 14, 2023 | Dec 12, 2023 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 13, 2022 | Sep 13, 2022 | Resolved |
| caa | HPV | May 10, 2022 | Jul 19, 2022 | Resolved |
| caa | FRV | Oct 19, 2021 | — | Open |
| rcra | Standards for Used Oil: Generators | Oct 17, 2011 | Apr 26, 2012 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Oct 17, 2011 | Oct 17, 2011 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Oct 17, 2011 | Apr 26, 2012 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Oct 17, 2011 | Nov 22, 2011 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Oct 26, 2006 | Apr 18, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Oct 26, 2006 | Apr 18, 2007 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Oct 26, 2006 | Apr 18, 2007 | Resolved |
| rcra | Land Disposal Restrictions: General | Oct 26, 2006 | Apr 18, 2007 | Resolved |
| rcra | EPA Administered Permit Programs: the HW Permit Program Permit Conditions | Oct 26, 2006 | Apr 18, 2007 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Oct 26, 2006 | Apr 18, 2007 | Resolved |
| rcra | Standards for Used Oil: Generators | Oct 26, 2006 | Apr 18, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | May 22, 2001 | Jun 22, 2001 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | May 22, 2001 | May 29, 2001 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Mar 27, 1997 | Mar 27, 1997 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 26, 1996 | Apr 30, 1996 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Apr 2, 1996 | Apr 30, 1996 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 10, 1995 | Jun 6, 1995 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | May 10, 1995 | Jun 6, 1995 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Feb 18, 1988 | Apr 15, 1988 | 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.
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-MSD096046792-001 · Jul 26, 2024
Administrative - Formal
Clean Air Act
· Case 3603792580 · Nov 13, 2023
$45,000
Notice of Violation
Clean Air Act
· Case 3603683975 · Aug 2, 2023
Administrative - Formal
Clean Air Act
· Case 3603285584 · Jun 30, 2022
$33,750
Notice of Violation
Clean Air Act
· Case 3603091325 · Mar 29, 2022
Notice of Violation
Clean Air Act
· Case 3602895255 · Oct 19, 2021
Administrative - Formal
· Case 04-2012-2004 · Oct 19, 2011
$51,805
Administrative - Formal
· Case 04-2009-9227 · Jun 28, 2010
Administrative - Formal
· Case 04-2009-2037 · Jul 7, 2009
$63,375
Administrative - Formal
· Case 04-2009-4254 · May 6, 2009
$45,000
Administrative - Formal
· Case 04-2005-2038 · Aug 26, 2005
$31,688
Administrative - Formal
· Case HQ-2003-5104 · Sep 29, 2003
$8,000
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-MSD096046792-000 · Apr 23, 1996
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-MSD096046792-002 · Mar 2, 1988
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