1-Chloro-1,1-difluoroethane (HCFC-142b)
CAS # 75-68-3
1,462,031 lbs total reported releases across all facilities and years.
Facilities listed below reported releases of this chemical to the EPA Toxic Release Inventory (TRI). Quantities are self-reported annual totals in pounds, broken out by release pathway. Click any facility name for its full compliance profile.
National Release Trend (2015–2024)
-53% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 167,928 | 11 | — |
| 2016 | 209,784 | 7 | +25% |
| 2017 | 216,088 | 7 | +3% |
| 2018 | 210,578 | 8 | -3% |
| 2019 | 116,983 | 3 | -44% |
| 2020 | 128,969 | 8 | +10% |
| 2021 | 120,522 | 8 | -7% |
| 2022 | 125,430 | 8 | +4% |
| 2023 | 87,415 | 8 | -30% |
| 2024 | 78,333 | 8 | -10% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Manufacturing | 1,461,659 | 10 |
| Wholesale Trade | 236 | 2 |
| Administrative and Support and Waste Management | 136 | 3 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| HUDSON TECHNOLOGIES CO | CHAMPAIGN, IL | 2024 | — | — | — |
| AIRGAS REFRIGERANTS INC SMYRNA | SMYRNA, GA | 2024 | — | — | — |
| HUDSON TECHNOLOGIES COMPANY | ONTARIO, CA | 2024 | — | — | — |
| ARKEMA INC. - CALVERT CITY, KY PLANT | CALVERT CITY, KY | 2024 | 71,402 | 71,168 | 233 |
| 3M CHEMICAL OPERATIONS' DECATUR FACILITY | DECATUR, AL | 2024 | 3,682 | 3,682 | — |
| SOLVAY SOLEXIS INC | THOROFARE, NJ | 2024 | 3,060 | 2,784 | 276 |
| LOUISVILLE PACKAGING | LOUISVILLE, KY | 2024 | 190 | 190 | — |
| CLEAN HARBORS EL DORADO LLC | EL DORADO, AR | 2024 | 0 | 0 | — |
| HUDSON TECHNOLOGIES CO | CHAMPAIGN, IL | 2023 | — | — | — |
| AIRGAS REFRIGERANTS INC SMYRNA | SMYRNA, GA | 2023 | — | — | — |
| HUDSON TECHNOLOGIES COMPANY | ONTARIO, CA | 2023 | — | — | — |
| ARKEMA INC. - CALVERT CITY, KY PLANT | CALVERT CITY, KY | 2023 | 83,194 | 82,927 | 267 |
| SOLVAY SOLEXIS INC | THOROFARE, NJ | 2023 | 2,229 | 1,950 | 279 |
| 3M CHEMICAL OPERATIONS' DECATUR FACILITY | DECATUR, AL | 2023 | 1,988 | 1,988 | — |
| LOUISVILLE PACKAGING | LOUISVILLE, KY | 2023 | 4 | 4 | — |
| CLEAN HARBORS EL DORADO LLC | EL DORADO, AR | 2023 | 0 | 0 | — |
| HUDSON TECHNOLOGIES COMPANY | ONTARIO, CA | 2022 | — | — | — |
| HUDSON TECHNOLOGIES CO | CHAMPAIGN, IL | 2022 | — | — | — |
| AIRGAS REFRIGERANTS INC SMYRNA | SMYRNA, GA | 2022 | — | — | — |
| ARKEMA INC. - CALVERT CITY, KY PLANT | CALVERT CITY, KY | 2022 | 113,357 | 113,107 | 250 |
| SOLVAY SOLEXIS INC | THOROFARE, NJ | 2022 | 9,791 | 3,598 | 6,193 |
| 3M CHEMICAL OPERATIONS' DECATUR FACILITY | DECATUR, AL | 2022 | 2,275 | 2,275 | — |
| LOUISVILLE PACKAGING | LOUISVILLE, KY | 2022 | 7 | 7 | — |
| CLEAN HARBORS EL DORADO LLC | EL DORADO, AR | 2022 | 0 | 0 | — |
| AIRGAS REFRIGERANTS INC SMYRNA | SMYRNA, GA | 2021 | — | — | — |
| HUDSON TECHNOLOGIES CO | CHAMPAIGN, IL | 2021 | — | — | — |
| HUDSON TECHNOLOGIES COMPANY | ONTARIO, CA | 2021 | — | — | — |
| ARKEMA INC. - CALVERT CITY, KY PLANT | CALVERT CITY, KY | 2021 | 112,836 | 112,567 | 269 |
| SOLVAY SOLEXIS INC | THOROFARE, NJ | 2021 | 4,988 | 1,536 | 3,452 |
| 3M CHEMICAL OPERATIONS' DECATUR FACILITY | DECATUR, AL | 2021 | 2,645 | 2,645 | — |
| LOUISVILLE PACKAGING | LOUISVILLE, KY | 2021 | 27 | 27 | — |
| 3M CHEMICAL OPERATIONS' COTTAGE GROVE FACILITY | COTTAGE GROVE, MN | 2021 | 26 | 26 | — |
| AIRGAS REFRIGERANTS INC SMYRNA | SMYRNA, GA | 2020 | — | — | — |
| HUDSON TECHNOLOGIES CO | CHAMPAIGN, IL | 2020 | — | — | — |
| HUDSON TECHNOLOGIES COMPANY | ONTARIO, CA | 2020 | — | — | — |
| ARKEMA INC. - CALVERT CITY, KY PLANT | CALVERT CITY, KY | 2020 | 119,097 | 118,791 | 306 |
| SOLVAY SOLEXIS INC | THOROFARE, NJ | 2020 | 4,918 | 1,947 | 2,971 |
| 3M CHEMICAL OPERATIONS' DECATUR FACILITY | DECATUR, AL | 2020 | 4,611 | 4,611 | — |
| LOUISVILLE PACKAGING | LOUISVILLE, KY | 2020 | 310 | 310 | — |
| 3M CHEMICAL OPERATIONS' COTTAGE GROVE FACILITY | COTTAGE GROVE, MN | 2020 | 33 | 33 | — |
| ARKEMA INC. - CALVERT CITY, KY PLANT | CALVERT CITY, KY | 2019 | 116,678 | 116,305 | 373 |
| LOUISVILLE PACKAGING | LOUISVILLE, KY | 2019 | 226 | 226 | — |
| 3M CHEMICAL OPERATIONS' COTTAGE GROVE FACILITY | COTTAGE GROVE, MN | 2019 | 79 | 79 | — |
| ARKEMA INC. - CALVERT CITY, KY PLANT | CALVERT CITY, KY | 2018 | 116,280 | 116,000 | 280 |
| 3M CHEMICAL OPERATIONS' DECATUR FACILITY | DECATUR, AL | 2018 | 89,610 | 89,610 | — |
| SOLVAY SOLEXIS INC | THOROFARE, NJ | 2018 | 2,349 | 1,599 | 750 |
| SOLSTICE ADVANCED MATERIALS US INC - BATON ROUGE FACILITY | BATON ROUGE, LA | 2018 | 2,094 | 2,094 | — |
| 3M CHEMICAL OPERATIONS' COTTAGE GROVE FACILITY | COTTAGE GROVE, MN | 2018 | 126 | 126 | — |
| LOUISVILLE PACKAGING | LOUISVILLE, KY | 2018 | 82 | 82 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2018 | 37 | 37 | — |