Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
STANCHEM, INC.
Quick Summary
- •Released 1,275 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
-
401 BERLIN STREET
EAST BERLIN, CT 06023
View on map ↗ - County
- HARTFORD County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 32552
- Inspections
- 7 · last Oct 1, 2025
- Total Penalties
- $0 · last Aug 22, 2016
- Registry ID
- 110000491959
How This Compares
#61
of 204 TRI reporters in CT
#6,807
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
Qtrs Non-Compliant
8
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)
-8% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 1,275 | — |
| 2016 | 1,275 | 0% |
| 2017 | 1,275 | 0% |
| 2018 | 6,635 | +420% |
| 2019 | 330 | -95% |
| 2020 | 1,295 | +293% |
| 2021 | 1,445 | +12% |
| 2022 | 1,413 | -2% |
| 2023 | 1,524 | +8% |
| 2024 | 1,168 | -23% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Vinyl acetate | 410 | 410 | — | — | 224 | ♦ Carcinogen |
| Butyl acrylate | 286 | 286 | — | — | 251 | |
| Methyl methacrylate | 203 | 203 | — | — | 4,306 | |
| Styrene | 107 | 107 | — | — | 3,051 | ♦ Carcinogen |
| N-Methylolacrylamide | 54 | 54 | — | — | — | |
| Ethyl acrylate | 52 | 52 | — | — | 5,532 | ♦ Carcinogen |
| Acrylic acid | 22 | 22 | — | — | 290 | |
| Acrylonitrile | 18 | 18 | — | — | 1 | ♦ Carcinogen |
| Methyl acrylate | 14 | 14 | — | — | 1,255 | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Certain glycol ethers | — | — | — | — | — | |
| Vinyl acetate | 496 | 496 | — | — | 900 | ♦ Carcinogen |
| Butyl acrylate | 374 | 374 | — | — | 963 | |
| Methyl methacrylate | 278 | 278 | — | — | 3,346 | |
| Styrene | 139 | 139 | — | — | 2,155 | ♦ Carcinogen |
| Ethyl acrylate | 116 | 116 | — | — | 5,713 | ♦ Carcinogen |
| Acrylic acid | 69 | 69 | — | — | 272 | |
| Acrylonitrile | 53 | 53 | — | — | 1 | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Vinyl acetate | 352 | 352 | — | — | 9,485 | ♦ Carcinogen |
| Butyl acrylate | 352 | 352 | — | — | 9,397 | |
| Methyl methacrylate | 321 | 321 | — | — | 14,070 | |
| Styrene | 101 | 101 | — | — | 8,225 | ♦ Carcinogen |
| N-Methylolacrylamide | 101 | 101 | — | — | — | |
| Ethyl acrylate | 74 | 74 | — | — | 33,206 | ♦ Carcinogen |
| Acrylic acid | 42 | 42 | — | — | 1,336 | |
| Methyl acrylate | 39 | 39 | — | — | 5,639 | ♦ Carcinogen |
| Acrylonitrile | 32 | 32 | — | — | 0 | ♦ Carcinogen |
| Certain glycol ethers | 1 | 1 | — | — | 2,566 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Butyl acrylate | 370 | 370 | — | — | 1,290 | |
| Vinyl acetate | 365 | 365 | — | — | 1,275 | ♦ Carcinogen |
| Methyl methacrylate | 359 | 359 | — | — | 11,155 | |
| Styrene | 102 | 102 | — | — | 9,088 | ♦ Carcinogen |
| Ethyl acrylate | 91 | 91 | — | — | 8,659 | ♦ Carcinogen |
| Methyl acrylate | 65 | 65 | — | — | 198 | ♦ Carcinogen |
| Acrylic acid | 53 | 53 | — | — | 357 | |
| Acrylonitrile | 40 | 40 | — | — | 0 | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Vinyl acetate | 407 | 407 | — | — | 1,577 | ♦ Carcinogen |
| Butyl acrylate | 247 | 247 | — | — | 1,414 | |
| Methyl methacrylate | 208 | 208 | — | — | 8,279 | |
| Styrene | 195 | 195 | — | — | 9,427 | ♦ Carcinogen |
| Ethyl acrylate | 80 | 80 | — | — | 11,956 | ♦ Carcinogen |
| N-Methylolacrylamide | 80 | 80 | — | — | — | |
| Methyl acrylate | 45 | 45 | — | — | 983 | ♦ Carcinogen |
| Acrylic acid | 34 | 34 | — | — | 229 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Vinyl acetate | 295 | 295 | — | — | 47,236 | ♦ Carcinogen |
| N-Methylolacrylamide | 35 | 35 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Vinyl acetate | 1,016 | 1,016 | — | — | 23,359 | ♦ Carcinogen |
| Butyl acrylate | 979 | 979 | — | — | 7,847 | |
| Styrene | 959 | 959 | — | — | 7,847 | ♦ Carcinogen |
| Methyl methacrylate | 955 | 955 | — | — | 7,847 | |
| Ethyl acrylate | 918 | 918 | — | — | — | ♦ Carcinogen |
| Acrylonitrile | 904 | 904 | — | — | — | ♦ Carcinogen |
| N-Methylolacrylamide | 904 | 904 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| N-Methylolacrylamide | — | — | — | — | — | |
| Acrylic acid | — | — | — | — | — | |
| Acrylonitrile | — | — | — | — | — | ♦ Carcinogen |
| Methyl methacrylate | 255 | 255 | — | — | 8,325 | |
| Ethyl acrylate | 255 | 255 | — | — | 10 | ♦ Carcinogen |
| Vinyl acetate | 255 | 255 | — | — | 1,798 | ♦ Carcinogen |
| Styrene | 255 | 255 | — | — | 3,670 | ♦ Carcinogen |
| Butyl acrylate | 255 | 255 | — | — | 6,651 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| N-Methylolacrylamide | — | — | — | — | — | |
| Acrylonitrile | — | — | — | — | — | ♦ Carcinogen |
| Acrylic acid | — | — | — | — | — | |
| Ethyl acrylate | 255 | 255 | — | — | 10 | ♦ Carcinogen |
| Styrene | 255 | 255 | — | — | 1,192 | ♦ Carcinogen |
| Methyl methacrylate | 255 | 255 | — | — | 4,475 | |
| Vinyl acetate | 255 | 255 | — | — | 1,458 | ♦ Carcinogen |
| Butyl acrylate | 255 | 255 | — | — | 3,164 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| N-Methylolacrylamide | — | — | — | — | — | |
| Acrylonitrile | — | — | — | — | — | ♦ Carcinogen |
| Acrylic acid | — | — | — | — | — | |
| Ethyl acrylate | 255 | 255 | — | — | 10 | ♦ Carcinogen |
| Methyl methacrylate | 255 | 255 | — | — | 10 | |
| Styrene | 255 | 255 | — | — | 10 | ♦ Carcinogen |
| Butyl acrylate | 255 | 255 | — | — | 10 | |
| Vinyl acetate | 255 | 255 | — | — | 6,480 | ♦ Carcinogen |
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 |
|---|---|---|---|---|
| Acrylic acid | — | — | — | 1,362 |
| Vinyl acetate | — | — | — | 1,506 |
| Butyl acrylate | — | — | — | 2,159 |
| Methyl methacrylate | — | — | — | 5,796 |
| Acrylonitrile | — | — | — | 791 |
| N-Methylolacrylamide | — | — | — | 2,653 |
| Ethyl acrylate | — | — | — | 7,022 |
| Styrene | — | — | — | 4,602 |
| Methyl acrylate | — | — | — | 1,916 |
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 |
|---|---|---|---|---|---|
|
CYCLECHEM,INC.
ELIZABETHPORT, NJ
|
Methyl acrylate | — | — | — | 1,255 |
|
CYCLECHEM,INC.
ELIZABETHPORT, NJ
|
Acrylic acid | — | — | — | 290 |
|
CYCLECHEM,INC.
ELIZABETHPORT, NJ
|
Methyl methacrylate | — | — | — | 3,051 |
|
CYCLECHEM,INC.
ELIZABETHPORT, NJ
|
Acrylonitrile | — | — | — | 1 |
|
CYCLECHEM,INC.
ELIZABETHPORT, NJ
|
Ethyl acrylate | — | — | — | 224 |
|
CYCLECHEM,INC.
ELIZABETHPORT, NJ
|
Styrene | — | — | — | 3,051 |
|
CYCLECHEM,INC.
ELIZABETHPORT, NJ
|
Vinyl acetate | — | — | — | 224 |
|
CYCLECHEM,INC.
ELIZABETHPORT, NJ
|
Butyl acrylate | — | — | — | 251 |
Transfers to Publicly-Owned Treatment Works (POTWs)
Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.
| Chemical | Transferred (lbs) | POTW |
|---|---|---|
| Ethyl acrylate | — | MATTABASSETT WATER POLLUTION CONTROL FACILITY, CROMWELL |
| Acrylonitrile | — | MATTABASSETT WATER POLLUTION CONTROL FACILITY, CROMWELL |
| Vinyl acetate | — | MATTABASSETT WATER POLLUTION CONTROL FACILITY, CROMWELL |
| Methyl methacrylate | — | MATTABASSETT WATER POLLUTION CONTROL FACILITY, CROMWELL |
| N-Methylolacrylamide | — | MATTABASSETT WATER POLLUTION CONTROL FACILITY, CROMWELL |
| Styrene | — | MATTABASSETT WATER POLLUTION CONTROL FACILITY, CROMWELL |
| Butyl acrylate | — | MATTABASSETT WATER POLLUTION CONTROL FACILITY, CROMWELL |
| Methyl acrylate | — | MATTABASSETT WATER POLLUTION CONTROL FACILITY, CROMWELL |
| Acrylic acid | — | MATTABASSETT WATER POLLUTION CONTROL FACILITY, CROMWELL |
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 |
|---|---|---|---|---|
| cwa | Management Practice Violations - Failure to Maintain Records | Oct 1, 2025 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Oct 1, 2025 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 13, 2025 | — | Open |
| cwa | Management Practice Violations - Failure to Maintain Records | Mar 13, 2025 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Mar 13, 2025 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 13, 2025 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Mar 13, 2025 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Jun 12, 2024 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Jan 10, 2022 | Sep 14, 2022 | Resolved |
| rcra | Standards for Used Oil: Generators | Jan 10, 2022 | Mar 7, 2022 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Jan 10, 2022 | Sep 14, 2022 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Dec 21, 2021 | Jan 20, 2022 | Resolved |
| rcra | Standards for Used Oil: Generators | Mar 26, 2014 | May 5, 2014 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Mar 26, 2014 | May 5, 2014 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Mar 26, 2014 | May 5, 2014 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Sep 22, 2003 | Jul 7, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Sep 22, 2003 | Jul 25, 2005 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Jun 15, 1999 | Jul 7, 2008 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Jun 15, 1999 | Sep 22, 2003 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Jun 15, 1999 | Sep 22, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jun 15, 1999 | Sep 22, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 15, 1999 | Sep 22, 2003 | Resolved |
| rcra | Land Disposal Restrictions: General | Jun 15, 1999 | Sep 22, 2003 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Jun 15, 1999 | Sep 22, 2003 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Jan 21, 1998 | Jun 15, 1999 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jan 21, 1998 | Jun 15, 1999 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Jan 21, 1998 | Jun 15, 1999 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Sep 10, 1996 | Oct 9, 1996 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | May 19, 1994 | Sep 10, 1996 | Resolved |
| rcra | Land Disposal Restrictions: General | May 5, 1992 | May 19, 1994 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Use and Management of Containers | May 5, 1992 | May 19, 1994 | Resolved |
| rcra | Land Disposal Restrictions: General | Jul 11, 1990 | Oct 15, 1990 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Jul 11, 1990 | Sep 10, 1996 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Jul 11, 1990 | Aug 2, 2000 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Jul 11, 1990 | Jul 7, 2008 | Resolved |
| rcra | Violation of a formal enforcement agreement or order. (3008(a) or 3013) | Jul 11, 1990 | Jul 7, 2008 | Resolved |
| rcra | Land Disposal Restrictions: General | Sep 13, 1988 | Dec 20, 1988 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Sep 5, 1986 | May 5, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Sep 5, 1986 | May 19, 1994 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Jun 8, 1986 | Jan 19, 1987 | Resolved |
| rcra | Violation of a formal enforcement agreement or order. (3008(a) or 3013) | Aug 22, 1985 | Apr 8, 1986 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Aug 22, 1985 | Apr 8, 1986 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | May 25, 1984 | Apr 8, 1986 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | May 8, 1984 | Apr 8, 1986 | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 110.00 mg/L | 100.00 | +10% | Apr 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 110.00 mg/L | 100.00 | +10% | Aug 2022 | Open |
| Flow, maximum during 24 hr period | DMR, Limited - Numeric Violation | 0.00 MGD | 0.00 | +66% | Mar 2022 | Open |
| Flow, maximum during 24 hr period | DMR, Limited - Numeric Violation | 0.00 MGD | 0.00 | +4% | Oct 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 210.00 mg/L | 150.00 | +40% | Jul 2021 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 2.20 mg/L | 2.00 | +10% | Jul 2019 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 2.40 mg/L | 2.00 | +20% | Aug 2017 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 2.49 mg/L | 2.00 | +25% | Jan 2017 | Resolved |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 5.13 mg/L | 2.00 | +157% | Dec 2016 | Resolved |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 4.04 mg/L | 2.00 | +102% | Oct 2016 | Resolved |
| Flow rate | DMR, Limited - Numeric Violation | 0.04 MGD | 0.01 | +400% | Sep 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 130.00 mg/L | 100.00 | +30% | Sep 2016 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 2.35 mg/L | 2.00 | +18% | Apr 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 180.00 mg/L | 100.00 | +80% | Aug 2015 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 180.00 mg/L | 150.00 | +20% | Aug 2015 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 2.45 mg/L | 2.00 | +23% | Jun 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 210.00 mg/L | 100.00 | +110% | May 2015 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 210.00 mg/L | 150.00 | +40% | May 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 150.00 mg/L | 100.00 | +50% | Feb 2015 | 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.
STIPULATED JUDICIAL ORDER, WITH PENALTY
RCRA (Hazardous Waste)
· Case RCRA-CTD047711346-001 · Apr 12, 2022
Administrative - Formal
· Case 01-2016-1010 · Aug 22, 2016
$8,700
Administrative - Formal
· Case 01-1995-0065 · Jan 30, 1999
$40,500
CONSENT ORDER, NO PENALTIES
RCRA (Hazardous Waste)
· Case RCRA-CTD047711346-000 · Apr 23, 1991
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-CTD047711346-028 · Sep 11, 1990
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-CTD047711346-022 · Oct 20, 1988
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-CTD047711346-020 · Sep 23, 1988
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-CTD047711346-015 · Dec 12, 1986
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-CTD047711346-030 · Aug 3, 1984
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