EmissionsLookup
Non-Compliance TRI Reporter Clean Air Act Clean Water Act RCRA

DENKA PERFORMANCE ELASTOMER LLC

Quick Summary

  • •Released 271,178 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
560 HIGHWAY 44
LAPLACE, LA 70068
View on map ↗
County
ST. JOHN THE BAPTIST County
Industry
Manufacturing
NAICS (North American Industry Classification)
325212
Inspections
12 · last Oct 2, 2025
Total Penalties
$0 · last Dec 4, 2000
Registry ID
110067396669

How This Compares

#62 of 419 TRI reporters in LA
#587 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.

0
Air (CAA)
Qtrs Non-Compliant
7
Water (CWA)
Qtrs Non-Compliant
10
Hazardous Waste (RCRA)
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) +26% overall
Year Total Releases (lbs) vs Prior Year
2015 53,797 —
2016 307,059 +471%
2017 271,178 -12%
2018 104,599 -61%
2019 14,558 -86%
2020 82,295 +465%
2021 80,837 -2%
2022 91,506 +13%
2023 72,661 -21%
2024 67,842 -7%

2024

Chemical Total (lbs) Air Water Land Off-Site
Chloroprene 27,155 23,924 42 3,189 6,918 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 20,441 20,441 — — —
1,4-Dichloro-2-butene 8,316 2,103 4 6,209 4,047
Toluene 5,469 4,483 20 967 12,617
1,2-Dichlorobenzene 2,153 2,152 1 — —
1,3-Butadiene 1,435 1,435 — — — ♦ Carcinogen
Nickel 1,083 39 580 464 2 ♦ Carcinogen
Certain glycol ethers 753 21 — 732 8
Chlorine 663 663 — — —
Chromium 263 4 201 57 86
Tetrachloroethylene 54 54 — — 331 ♦ Carcinogen
Xylene (mixed isomers) 36 36 — — 1,305
N-Methyl-2-pyrrolidone 19 19 — — 2,113
N-Nitrosodiphenylamine 3 3 — — 173
Dioxin and dioxin-like compounds 0 0 — 0 — ♦ Carcinogen

2023

Chemical Total (lbs) Air Water Land Off-Site
Chloroprene 29,147 25,989 108 3,050 6,018 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 24,618 24,618 — — —
Toluene 8,036 6,416 13 1,607 7,731
1,4-Dichloro-2-butene 5,863 2,383 1 3,478 1,194
1,3-Butadiene 1,932 1,932 — — — ♦ Carcinogen
Nickel 1,041 54 571 416 2 ♦ Carcinogen
Certain glycol ethers 898 25 — 873 68
Chlorine 722 722 — — —
1,2-Dichlorobenzene 335 334 1 — 34
N-Methyl-2-pyrrolidone 27 27 — — —
Tetrachloroethylene 20 20 — — 289 ♦ Carcinogen
Xylene (mixed isomers) 19 19 — — 272
N-Nitrosodiphenylamine 3 3 — — —
Dioxin and dioxin-like compounds 0 0 — 0 — ♦ Carcinogen

2022

Chemical Total (lbs) Air Water Land Off-Site
Chloroprene 42,072 38,446 96 3,530 4,927 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 27,687 27,687 — — —
Toluene 9,665 7,344 13 2,308 2,437
1,4-Dichloro-2-butene 6,281 2,270 102 3,909 619
1,3-Butadiene 2,175 2,175 — — — ♦ Carcinogen
Nickel 1,069 53 549 467 3 ♦ Carcinogen
Certain glycol ethers 901 29 — 872 —
Chlorine 822 822 — — —
Chromium 438 6 222 211 67
1,2-Dichlorobenzene 265 264 1 — 0
Tetrachloroethylene 58 58 — — 92 ♦ Carcinogen
Xylene (mixed isomers) 36 36 — — 92
N-Methyl-2-pyrrolidone 32 32 — — 798
N-Nitrosodiphenylamine 4 4 — — —
Benzyl chloride 1 1 — — —
Dioxin and dioxin-like compounds 0 0 — 0 — ♦ Carcinogen

2021

Chemical Total (lbs) Air Water Land Off-Site
Chloroprene 39,459 36,193 209 3,057 4,636 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 21,527 21,527 — — —
Toluene 9,483 7,255 89 2,139 2,005
1,4-Dichloro-2-butene 5,712 2,444 98 3,170 639
1,3-Butadiene 1,562 1,562 — — — ♦ Carcinogen
Certain glycol ethers 1,002 21 — 981 20
Nickel 933 41 461 431 3 ♦ Carcinogen
Chlorine 697 697 — — —
1,2-Dichlorobenzene 313 308 5 — 20
Tetrachloroethylene 71 71 — — 80 ♦ Carcinogen
Xylene (mixed isomers) 43 43 — — 70
N-Methyl-2-pyrrolidone 28 28 — — —
N-Nitrosodiphenylamine 6 6 — — —
Benzyl chloride 1 1 — — —
Dioxin and dioxin-like compounds 0 0 — 0 — ♦ Carcinogen

2020

Chemical Total (lbs) Air Water Land Off-Site
Chloroprene 39,569 35,531 187 3,851 746 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 24,745 24,745 — — —
Toluene 7,771 5,254 12 2,505 1,964
1,4-Dichloro-2-butene 5,154 2,321 96 2,737 338
1,3-Butadiene 2,039 2,039 — — — ♦ Carcinogen
Nickel 1,411 171 876 364 2 ♦ Carcinogen
Chlorine 848 848 — — —
Certain glycol ethers 422 27 — 395 10
1,2-Dichlorobenzene 228 227 1 — 10
Tetrachloroethylene 48 48 — — 88 ♦ Carcinogen
Xylene (mixed isomers) 38 38 — — 83
N-Nitrosodiphenylamine 11 11 — — —
N-Methyl-2-pyrrolidone 10 10 — — 1,100
Benzyl chloride 1 1 — — —
Dioxin and dioxin-like compounds 0 0 — 0 — ♦ Carcinogen

2019

Chemical Total (lbs) Air Water Land Off-Site
Toluene 8,503 6,616 13 1,874 1,192
1,4-Dichloro-2-butene 5,331 2,037 51 3,243 278
Certain glycol ethers 540 36 — 504 —
Tetrachloroethylene 96 96 — — 23 ♦ Carcinogen
Xylene (mixed isomers) 88 88 — — 23
Dioxin and dioxin-like compounds 0 0 — 0 — ♦ Carcinogen

2018

Chemical Total (lbs) Air Water Land Off-Site
Chloroprene 58,160 52,529 249 5,382 1,213 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 19,270 19,270 — — —
1,4-Dichloro-2-butene 9,478 1,925 53 7,500 870
Toluene 8,916 5,600 16 3,300 2,600
Chlorine 3,130 3,130 — — —
1,3-Butadiene 2,210 2,210 — — — ♦ Carcinogen
Nickel 1,750 220 900 630 3 ♦ Carcinogen
Certain glycol ethers 1,135 35 — 1,100 36
1,2-Dichlorobenzene 377 370 7 — 46
Dichloromethane 74 74 — — 84 ♦ Carcinogen
Tetrachloroethylene 48 48 — — 100 ♦ Carcinogen
Xylene (mixed isomers) 30 30 — — 84
N-Nitrosodiphenylamine 10 10 — — 430
N-Methyl-2-pyrrolidone 10 10 — — 600
Benzyl chloride 1 1 — — —
Dioxin and dioxin-like compounds 0 0 — 0 — ♦ Carcinogen

2017

Chemical Total (lbs) Air Water Land Off-Site
Chloroprene 203,510 199,100 110 4,300 1,020 ♦ Carcinogen
Toluene 28,606 26,500 6 2,100 2,600
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 19,320 19,320 — — —
1,4-Dichloro-2-butene 8,513 2,990 23 5,500 624
1,3-Butadiene 3,900 3,900 — — 5 ♦ Carcinogen
Chlorine 3,220 3,220 — — —
Certain glycol ethers 1,904 204 — 1,700 —
Nickel 1,700 220 990 490 2 ♦ Carcinogen
Chromium 233 23 — 210 29
1,2-Dichlorobenzene 170 170 — — 1
Tetrachloroethylene 46 46 — — 98 ♦ Carcinogen
Xylene (mixed isomers) 34 34 — — 98
N-Nitrosodiphenylamine 11 11 — — —
N-Methyl-2-pyrrolidone 10 10 — — 600
Benzyl chloride 1 1 — — —
Dioxin and dioxin-like compounds 0 0 — 0 — ♦ Carcinogen

2016

Chemical Total (lbs) Air Water Land Off-Site
Chloroprene 238,851 238,607 97 147 3,693 ♦ Carcinogen
Toluene 28,386 28,335 5 46 7,691
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 19,064 19,064 — — —
Ammonia 8,718 8,718 — — —
1,3-Butadiene 4,214 4,214 — — — ♦ Carcinogen
Chlorine 3,223 3,223 — — —
1,4-Dichloro-2-butene 2,765 2,649 22 94 8,878
Nickel 1,233 213 1,020 — 3 ♦ Carcinogen
Certain glycol ethers 253 224 — 29 17
1,2-Dichlorobenzene 169 169 — — 17
Dichloromethane 82 82 — — 153 ♦ Carcinogen
Tetrachloroethylene 46 46 — — 161 ♦ Carcinogen
Xylene (mixed isomers) 33 33 — — 153
N-Nitrosodiphenylamine 11 11 — — —
N-Methyl-2-pyrrolidone 10 10 — — 775
Benzyl chloride 1 1 — — —
Dioxin and dioxin-like compounds 0 0 — — — ♦ Carcinogen

2015

Chemical Total (lbs) Air Water Land Off-Site
Chloroprene 42,943 42,800 13 130 89 ♦ Carcinogen
Toluene 5,305 5,300 1 4 —
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 3,682 3,682 — — —
1,3-Butadiene 920 920 — — — ♦ Carcinogen
Chlorine 659 659 — — —
1,4-Dichloro-2-butene 194 181 3 10 —
Certain glycol ethers 49 38 — 11 —
1,2-Dichlorobenzene 28 28 — — —
N-Methyl-2-pyrrolidone 17 17 — — —

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
1,3-Butadiene — — — 41,075
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) — — — 318,342
1,2-Dichlorobenzene — — 18,806 1,552
N-Nitrosodiphenylamine — — 15,841 —
1,4-Dichloro-2-butene — — 757,769 6,865
Toluene — — 3,185,416 29,556
N-Methyl-2-pyrrolidone — — 93,694 713
Chlorine — — — 21,794
Chloroprene — 360,057 524,156 115,459
Certain glycol ethers — — 752 8
Tetrachloroethylene — — — 19,057
Xylene (mixed isomers) — — 18,806 305

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
CHEMICAL WASTE MANAGEMENT INC
SULPHUR, LA
Nickel 1 — — —
TRADEBE ENVIRONMENTAL SERVICES LLC
PORT ALLEN, LA
Nickel 0 — — —
TRADEBE TREATMENT & RECYCLING OF TENNESSEE, LLC
MILLINGTON, TN
Certain glycol ethers — — — 8
TRADEBE ENVIRONMENTAL SERVICES LLC
PORT ALLEN, LA
Chloroprene 249 — — —
RIVER BIRCH LLC - RIVER BIRCH LANDFILL
AVONDALE, LA
Chloroprene 10 — — —
CHEMICAL WASTE MANAGEMENT INC
SULPHUR, LA
Chloroprene 2,115 — — —
TRADEBE TREATMENT & RECYCLING OF TN, LLC
MILLINGTON, TN
Chloroprene — — — 4,539
RIVER BIRCH LLC - RIVER BIRCH LANDFILL
AVONDALE, LA
Chromium 41 — — —
TRADEBE TREATMENT & RECYCLING OF TN, LLC
MILLINGTON, TN
Chromium 37 — — —
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
N-Nitrosodiphenylamine 173 — — —
TRADEBE TREATMENT & RECYCLING OF TENNESSEE, LLC
MILLINGTON, TN
Xylene (mixed isomers) — — — 280
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
Xylene (mixed isomers) — — — 22
RIVER BIRCH LLC - RIVER BIRCH LANDFILL
AVONDALE, LA
1,4-Dichloro-2-butene 149 — — —
TRADEBE TREATMENT & RECYCLING OF TENNESSEE, LLC
MILLINGTON, TN
1,4-Dichloro-2-butene — — — 3
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
1,4-Dichloro-2-butene — — — 33
TRADEBE TREATMENT & RECYCLING OF TENNESSEE, LLC
MILLINGTON, TN
N-Methyl-2-pyrrolidone — — — 713
TRADEBE TREATMENT & RECYCLING OF TENNESSEE, LLC
MILLINGTON, TN
Tetrachloroethylene — — — 306
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
Tetrachloroethylene — — — 22
TRADEBE TREATMENT & RECYCLING OF TENNESSEE, LLC
MILLINGTON, TN
Toluene — — — 6
RIVER BIRCH LLC - RIVER BIRCH LANDFILL
AVONDALE, LA
Toluene 20 — — —
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
Toluene — — — 440
TRADEBE ENVIRONMENTAL SERVICES LLC
PORT ALLEN, LA
Toluene 4 — — —

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
rcra Standards Applicable to Generators of HW: General Oct 2, 2025 Oct 2, 2025 Resolved
cwa Monitoring Violations - Analysis not Conducted Feb 4, 2025 May 23, 2025 Resolved
cwa Management Practice Violations - Failure to Implement SPCC Plan Dec 6, 2023 May 23, 2025 Resolved
rcra EPA Administered Permit Programs: the HW Permit Program Permit Conditions Oct 26, 2023 — Open
rcra Standards Applicable to Generators of HW: General Oct 26, 2023 Nov 9, 2023 Resolved
rcra Standards for Used Oil: Generators Oct 26, 2023 — Open
rcra Standards for Universal Waste Management: Standards for Small Quantity Handlers Oct 26, 2023 — Open
cwa Reporting Violations - Noncompliance with Section 308 Information Request Feb 6, 2023 May 23, 2025 Resolved
cwa Management Practice Violations - Improper Operation and Maintenance Dec 21, 2022 May 23, 2025 Resolved
cwa Effluent Violations - Industrial Spill Dec 21, 2022 May 23, 2025 Resolved
cwa Monitoring Violations - Improper Analysis or Lab Error Dec 5, 2022 May 23, 2025 Resolved
cwa Permit Violations - Violation Specified in Comment Jan 31, 2022 May 23, 2025 Resolved
cwa Permit Violations - Violation Specified in Comment Apr 8, 2009 Apr 23, 2015 Resolved
cwa Effluent Violations - Unauthorized Discharge Apr 8, 2009 Apr 23, 2015 Resolved
cwa Management Practice Violations - Improper Operation and Maintenance Dec 19, 2006 Apr 23, 2015 Resolved
cwa Management Practice Violations - Failure to Maintain Records Dec 19, 2006 Apr 23, 2015 Resolved
cwa Permit Violations - Failure to Submit Timely Permit Renewal Application May 30, 2006 Apr 23, 2015 Resolved
cwa Schedule Event achieved late but reported Sep 30, 1997 — Open
cwa Management Practice Violations - Improper Operation and Maintenance Dec 20, 1995 — Open
cwa Permit Violations - Violation Specified in Comment Dec 20, 1995 — Open

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
Coliform, fecal general DMR, Limited - Numeric Violation 387.00 MPN/100mL 200.00 +94% Feb 2026 Open
Coliform, fecal general DMR, Limited - Numeric Violation 2,410.00 MPN/100mL 400.00 +99,999% May 2025 Open
Coliform, fecal general DMR, Limited - Numeric Violation 2,410.00 MPN/100mL 400.00 +99,999% Apr 2025 Open
Coliform, fecal general DMR, Limited - Numeric Violation 265.00 MPN/100mL 200.00 +33% Aug 2024 Open
Coliform, fecal general DMR, Limited - Numeric Violation 4,500.00 MPN/100mL 400.00 +1,025% Aug 2024 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 116.81 kg/d 95.34 +23% Nov 2023 Open
Coliform, fecal general DMR, Limited - Numeric Violation 490.00 MPN/100mL 400.00 +23% Oct 2023 Open
Coliform, fecal general DMR, Limited - Numeric Violation 460.00 MPN/100mL 200.00 +130% May 2022 Open
Coliform, fecal general DMR, Limited - Numeric Violation 460.00 MPN/100mL 400.00 +15% May 2022 Open
Oil & Grease DMR, Limited - Numeric Violation 43.54 kg/d 32.23 +35% Jan 2022 Open
Solids, total suspended DMR, Limited - Numeric Violation 169.75 kg/d 146.64 +16% Jan 2022 Open
Coliform, fecal general DMR, Limited - Numeric Violation 970.00 MPN/100mL 400.00 +143% May 2021 Open
Coliform, fecal general DMR, Limited - Numeric Violation 600.00 MPN/100mL 400.00 +99,999% Jul 2020 Open
Chloroprene DMR, Limited - Numeric Violation 0.66 kg/d 0.56 +18% Dec 2018 Open
Chloroprene DMR, Limited - Numeric Violation 0.70 kg/d 0.56 +26% Nov 2018 Open
Carbon, tot organic [TOC] DMR, Limited - Numeric Violation 103.00 mg/L 50.00 +106% Jul 2016 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 266.00 kg/d 107.14 +148% Mar 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.

CWA 309G2B AO For Class II Penalties
Clean Water Act · Case 06-1998-N185
Judicial
· Case 06-2017-3404
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-LAR000009415-266 · Nov 3, 2025
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste) · Case RCRA-LAR000009415-332 · Jun 21, 2024
Administrative - Formal
· Case 06-2023-0906 · Dec 20, 2022
State CWA Non Penalty AO
Clean Water Act · Case LA-WEC1001417 · Nov 23, 2010
Administrative - Formal
· Case HQ-2008-5026 · Jun 30, 2008
State CWA Penalty AO
Clean Water Act · Case LA-WECP970390 · Dec 4, 2000
$15,000
Administrative - Formal
· Case 06-1998-0012 · Mar 5, 1998
$113,500
State CWA Non Penalty AO
Clean Water Act · Case LA-N00001277 · Aug 25, 1997
CWA 309A AO For Compliance
Clean Water Act · Case 06-1990-N206 · Nov 15, 1989
CWA 309A AO For Compliance
Clean Water Act · Case 06-1988-N257 · Jul 18, 1988

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