TRI Reporter
Clean Air Act
Clean Water Act
RCRA
ENGINEERED POLYMER SOLUTIONS, INC. - HAGERSTOWN
Quick Summary
- •Released 32,354 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
16414 INDUSTRIAL LANE
WILLIAMSPORT, MD 21795
View on map ↗ - County
- WASHINGTON County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325510
- Inspections
- 3 · last Mar 4, 2026
- Total Penalties
- $0
- Registry ID
- 110000340523
How This Compares
#18
of 156 TRI reporters in MD
#2,158
of 16,877 TRI reporters in Manufacturing
Ranked by most recent year's total TRI releases.
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)
-18% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 23,909 | — |
| 2016 | 25,645 | +7% |
| 2017 | 32,354 | +26% |
| 2018 | 15,513 | -52% |
| 2019 | 12,304 | -21% |
| 2020 | 20,944 | +70% |
| 2021 | 31,717 | +51% |
| 2022 | 21,860 | -31% |
| 2023 | 26,579 | +22% |
| 2024 | 19,670 | -26% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene diisocyanate (mixed isomers) | — | — | — | — | — | ♦ Carcinogen |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Methyl methacrylate | 11,819 | 11,819 | — | — | 72,255 | |
| Styrene | 3,630 | 3,630 | — | — | 12,164 | ♦ Carcinogen |
| Butyl acrylate | 1,872 | 1,872 | — | — | 20,586 | |
| Xylene (mixed isomers) | 1,459 | 1,459 | — | — | 45,385 | |
| Phthalic anhydride | 756 | 756 | — | — | 40,992 | |
| Acrylic acid | 122 | 122 | — | — | 3,149 | |
| Certain glycol ethers | 6 | 6 | — | — | 2,484 | |
| Ethylene glycol | 6 | 6 | — | — | 11,549 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene diisocyanate (mixed isomers) | — | — | — | — | — | ♦ Carcinogen |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Ethylene glycol | — | — | — | — | — | |
| Methyl methacrylate | 16,975 | 16,975 | — | — | 11,986 | |
| Styrene | 3,652 | 3,652 | — | — | 7,636 | ♦ Carcinogen |
| Butyl acrylate | 2,587 | 2,587 | — | — | 13,202 | |
| Ammonia | 1,255 | 1,255 | — | — | 1,288 | |
| Xylene (mixed isomers) | 1,202 | 1,202 | — | — | 74,350 | |
| Phthalic anhydride | 817 | 817 | — | — | 21,429 | |
| Acrylic acid | 91 | 91 | — | — | 2,967 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Butyl alcohol | — | — | — | — | — | |
| Toluene diisocyanate (mixed isomers) | — | — | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | — | — | — | — | — | |
| Methyl methacrylate | 12,692 | 12,692 | — | — | 8,523 | |
| Styrene | 2,568 | 2,568 | — | — | 2,885 | ♦ Carcinogen |
| Butyl acrylate | 1,862 | 1,862 | — | — | 4,904 | |
| Phthalic anhydride | 1,798 | 1,798 | — | — | 16,282 | |
| Xylene (mixed isomers) | 1,546 | 1,546 | — | — | 86,753 | |
| Ammonia | 962 | 962 | — | — | 1,275 | |
| Ethylbenzene | 362 | 362 | — | — | 347 | ♦ Carcinogen |
| Acrylic acid | 66 | 66 | — | — | 3,554 | |
| Ethylene glycol | 4 | 4 | — | — | 11,298 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Butyl alcohol | — | — | — | — | — | |
| Toluene diisocyanate (mixed isomers) | — | — | — | — | 720 | ♦ Carcinogen |
| Methyl methacrylate | 16,329 | 16,329 | — | — | 11,456 | |
| Xylene (mixed isomers) | 4,804 | 4,804 | — | — | 57,566 | |
| Styrene | 3,495 | 3,495 | — | — | 6,043 | ♦ Carcinogen |
| Butyl acrylate | 2,382 | 2,382 | — | — | 10,273 | |
| Phthalic anhydride | 1,938 | 1,938 | — | — | 17,963 | |
| Ammonia | 1,281 | 1,281 | — | — | 1,297 | |
| Ethylbenzene | 1,140 | 1,140 | — | — | 60 | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | 255 | 255 | — | — | 487 | |
| Acrylic acid | 93 | 93 | — | — | 4,597 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| 1,2,4-Trimethylbenzene | — | — | — | — | — | |
| Toluene diisocyanate (mixed isomers) | — | — | — | — | 5,309 | ♦ Carcinogen |
| n-Butyl alcohol | — | — | — | — | — | |
| Methyl methacrylate | 11,154 | 11,154 | — | — | 19,120 | |
| Xylene (mixed isomers) | 2,949 | 2,949 | — | — | 46,415 | |
| Styrene | 2,418 | 2,418 | — | — | 9,307 | ♦ Carcinogen |
| Butyl acrylate | 1,648 | 1,648 | — | — | 12,531 | |
| Phthalic anhydride | 1,121 | 1,121 | — | — | 11,744 | |
| Ammonia | 891 | 891 | — | — | 1,297 | |
| Ethylbenzene | 700 | 700 | — | — | 49 | ♦ Carcinogen |
| Acrylic acid | 63 | 63 | — | — | 4,809 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene diisocyanate (mixed isomers) | — | — | — | — | — | ♦ Carcinogen |
| Methyl methacrylate | 9,979 | 9,979 | — | — | 7,481 | |
| Xylene (mixed isomers) | 2,325 | 2,325 | — | — | 19,835 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene diisocyanate (mixed isomers) | — | — | — | — | — | ♦ Carcinogen |
| n-Butyl alcohol | — | — | — | — | — | |
| 1,2,4-Trimethylbenzene | — | — | — | — | — | |
| Methyl methacrylate | 7,023 | 7,023 | — | — | 10,330 | |
| Xylene (mixed isomers) | 3,178 | 3,178 | — | — | 51,977 | |
| Styrene | 1,688 | 1,688 | — | — | 4,660 | ♦ Carcinogen |
| Phthalic anhydride | 1,163 | 1,163 | — | — | 4,986 | |
| Butyl acrylate | 1,075 | 1,075 | — | — | 4,915 | |
| Ethylbenzene | 750 | 750 | — | — | — | ♦ Carcinogen |
| Ammonia | 590 | 590 | — | — | 676 | |
| Acrylic acid | 46 | 46 | — | — | 3,782 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene diisocyanate (mixed isomers) | — | — | — | — | — | ♦ Carcinogen |
| 1,2,4-Trimethylbenzene | — | — | — | — | — | |
| Methyl methacrylate | 17,002 | 17,002 | — | — | 5,352 | |
| Ammonia | 5,102 | 5,102 | — | — | 1,781 | |
| Xylene (mixed isomers) | 3,675 | 3,675 | — | — | 65,971 | |
| Butyl acrylate | 2,434 | 2,434 | — | — | 5,240 | |
| Styrene | 2,366 | 2,366 | — | — | 3,073 | ♦ Carcinogen |
| Ethylbenzene | 863 | 863 | — | — | 1 | ♦ Carcinogen |
| Phthalic anhydride | 753 | 753 | — | — | 748 | |
| Acrylic acid | 153 | 153 | — | — | 3,091 | |
| Ethylene glycol | 4 | 4 | — | — | 13,019 | |
| n-Butyl alcohol | 2 | 2 | — | — | 528 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| 1,2,4-Trimethylbenzene | — | — | — | — | — | |
| Methyl methacrylate | 14,682 | 14,682 | — | — | 4,843 | |
| Xylene (mixed isomers) | 4,356 | 4,356 | — | — | 72,029 | |
| Butyl acrylate | 2,107 | 2,107 | — | — | 5,796 | |
| Styrene | 2,047 | 2,047 | — | — | 3,409 | ♦ Carcinogen |
| Ethylbenzene | 1,027 | 1,027 | — | — | 3 | ♦ Carcinogen |
| Phthalic anhydride | 845 | 845 | — | — | 2,436 | |
| Ammonia | 418 | 418 | — | — | 522 | |
| Acrylic acid | 132 | 132 | — | — | 3,036 | |
| Toluene diisocyanate (mixed isomers) | 25 | 25 | — | — | 608 | ♦ Carcinogen |
| Ethylene glycol | 4 | 4 | — | — | 23,128 | |
| n-Butyl alcohol | 2 | 2 | — | — | 646 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene diisocyanate (mixed isomers) | — | — | — | — | — | ♦ Carcinogen |
| Methyl methacrylate | 13,263 | 13,263 | — | — | 9,843 | |
| Xylene (mixed isomers) | 3,511 | 3,511 | — | — | 71,279 | |
| Phthalic anhydride | 2,065 | 2,065 | — | — | 10,792 | |
| Butyl acrylate | 1,907 | 1,907 | — | — | 5,415 | |
| Styrene | 1,848 | 1,848 | — | — | 12,853 | ♦ Carcinogen |
| Ethylbenzene | 826 | 826 | — | — | 179 | ♦ Carcinogen |
| Ammonia | 364 | 364 | — | — | 492 | |
| Acrylic acid | 119 | 119 | — | — | 5,541 | |
| Ethylene glycol | 4 | 4 | — | — | 24,117 | |
| n-Butyl alcohol | 2 | 2 | — | — | 576 |
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 |
|---|---|---|---|---|
| Methyl methacrylate | — | — | — | 72,255 |
| Ethylene glycol | — | — | 678 | 144 |
| Styrene | — | — | — | 12,164 |
| Certain glycol ethers | — | — | 752 | 1,732 |
| Xylene (mixed isomers) | — | — | 44,669 | 716 |
| Phthalic anhydride | — | — | — | 37,416 |
| Butyl acrylate | — | — | — | 20,586 |
| Acrylic acid | — | — | — | 3,149 |
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 |
|---|---|---|---|---|---|
|
KEARNY STEEL CONTAINER CORP.
NEWARK, NJ
|
Acrylic acid | — | — | — | 3,149 |
|
HERITAGE THERMAL SERVICES INC
EAST LIVERPOOL, OH
|
Methyl methacrylate | — | — | — | 13,320 |
|
KEARNY STEEL CONTAINER CORP.
NEWARK, NJ
|
Methyl methacrylate | — | — | — | 58,935 |
|
HERITAGE THERMAL SERVICES INC
EAST LIVERPOOL, OH
|
Butyl acrylate | — | — | — | 20,586 |
|
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
|
Ethylene glycol | — | — | 678 | — |
|
KEARNY STEEL CONTAINER CORP.
NEWARK, NJ
|
Ethylene glycol | — | — | — | 144 |
|
CHEMTRON CORP
AVON, OH
|
Xylene (mixed isomers) | — | — | — | 446 |
|
GFL ENVIRONMENTAL SERVICES USA INC
FREEDOM, PA
|
Xylene (mixed isomers) | — | — | 2,103 | — |
|
HERITAGE THERMAL SERVICES INC
EAST LIVERPOOL, OH
|
Xylene (mixed isomers) | — | — | — | 4 |
|
KEARNY STEEL CONTAINER CORP.
NEWARK, NJ
|
Xylene (mixed isomers) | — | — | — | 266 |
|
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
|
Xylene (mixed isomers) | — | — | 42,566 | — |
|
KEARNY STEEL CONTAINER CORP.
NEWARK, NJ
|
Certain glycol ethers | — | — | — | 1,732 |
|
RINECO CHEMICAL INDUSTRIES, LLC
BENTON, AR
|
Certain glycol ethers | — | — | 752 | — |
|
KEARNY STEEL CONTAINER CORP.
NEWARK, NJ
|
Phthalic anhydride | — | — | — | 37,416 |
|
REPUBLIC ENVIRONMENTAL SYSTEMS (PA) LLC
HATFIELD, PA
|
Phthalic anhydride | 3,576 | — | — | — |
|
HERITAGE THERMAL SERVICES INC
EAST LIVERPOOL, OH
|
Styrene | — | — | — | 12,164 |
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 for Universal Waste Management: General | Feb 4, 2015 | Feb 4, 2015 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Feb 4, 2015 | May 21, 2015 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Feb 15, 2006 | May 22, 2006 | Resolved |
| rcra | Land Disposal Restrictions: General | Feb 15, 2006 | May 22, 2006 | 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-MDR000012161-001 · May 7, 2015
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