Cyanide compounds
CAS # N106
68,282,682 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)
+66% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 5,491,014 | 198 | — |
| 2016 | 7,642,809 | 188 | +39% |
| 2017 | 8,624,375 | 189 | +13% |
| 2018 | 9,825,501 | 196 | +14% |
| 2019 | 411,796 | 101 | -96% |
| 2020 | 6,764,944 | 183 | +1543% |
| 2021 | 7,581,604 | 179 | +12% |
| 2022 | 7,551,475 | 172 | -0% |
| 2023 | 5,282,616 | 163 | -30% |
| 2024 | 9,106,547 | 151 | +72% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Professional, Scientific, and Technical Services | 0 | 1 |
| Wholesale Trade | 0 | 1 |
| Manufacturing | 27,826,377 | 191 |
| Administrative and Support and Waste Management | 21,347,911 | 20 |
| Mining, Quarrying, and Oil and Gas Extraction | 18,458,393 | 45 |
| Utilities | 650,000 | 1 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| KYOCERA INTERNATIONAL INC.(SAN DIEGO) | SAN DIEGO, CA | 2024 | — | — | — |
| MILPORT ENT INC | MILWAUKEE, WI | 2024 | — | — | — |
| GULF STREAM COACH INC | NAPPANEE, IN | 2024 | — | — | — |
| NEW METHOD PLATING CO INC | WORCESTER, MA | 2024 | — | — | — |
| TCSC MARTINS FERRY PLT | MARTINS FERRY, OH | 2024 | — | — | — |
| HHSUMCO INCORPORATED | INDIANAPOLIS, IN | 2024 | — | — | — |
| BALD MOUNTAIN MINE | ELKO, NV | 2024 | — | — | — |
| CASTLE MOUNTAIN MINE | BAKER, CA | 2024 | — | — | — |
| TANURY INDUSTRIES | LINCOLN, RI | 2024 | — | — | — |
| WESTFIELD ELECTROPLATING | WESTFIELD, MA | 2024 | — | — | — |
| LONG CANYON MINE | OASIS, NV | 2024 | — | — | — |
| ALLIED FINISHING INC | GRAND RAPIDS, MI | 2024 | — | — | — |
| BOREALIS MINING CO LLC | HAWTHORNE, NV | 2024 | — | — | — |
| COEUR ROCHESTER INC | LOVELOCK, NV | 2024 | — | — | — |
| LAKE CITY PLATING PLANT 2 | ASHTABULA, OH | 2024 | — | — | — |
| U.S. ECOLOGY, INC. - CALIFORNIA (VERNON, CA) | VERNON, CA | 2024 | — | — | — |
| LONE TREE MINE | VALMY, NV | 2024 | — | — | — |
| SAFRAN LANDING SYSTEMS KENTUCKY LLC | WALTON, KY | 2024 | — | — | — |
| THREE J'S INDUSTRIES INC | ELK GROVE VILLAGE, IL | 2024 | — | — | — |
| NEWMONT MINING CORP - EMIGRANT MINE | ELKO, NV | 2024 | — | — | — |
| COMMERCIAL PLATING CO | SAINT LOUIS, MO | 2024 | — | — | — |
| HERITAGE ENVIRONMENTAL SERVICES, LLC | INDIANAPOLIS, IN | 2024 | — | — | — |
| OZARK READY MIX - DBA PROMIX CONCRETE | LOWELL, AR | 2024 | — | — | — |
| CRIPPLE CREEK & VICTOR GOLD MINING CO | VICTOR, CO | 2024 | — | — | — |
| ISABELLA PEARL MINE (006-240-02) | LUNING, NV | 2024 | — | — | — |
| CARPENTER TECHNOLOGY CORP | READING, PA | 2024 | — | — | — |
| UNIVERTICAL LLC | ANGOLA, IN | 2024 | — | — | — |
| LAKE CITY PLATING LLC | JEFFERSON, OH | 2024 | — | — | — |
| QUALITY ELECTROPLATING CORP | CAGUAS, PR | 2024 | — | — | — |
| MONARCH METAL FINISHING CO., INC. | PROVIDENCE, RI | 2024 | — | — | — |
| CHAPARRAL BOATS INC | NASHVILLE, GA | 2024 | — | — | — |
| GREENWOOD FABRICATING & PLATING LLC | GREENWOOD, SC | 2024 | — | — | — |
| STRATFORD METAL FINISHING | WINSTON-SALEM, NC | 2024 | — | — | — |
| INDUSTRIAL CONNECTIONS & SOLUTIONS LLC | MEBANE, NC | 2024 | — | — | — |
| TECHNIC INC | CRANSTON, RI | 2024 | — | — | — |
| HOMESTAKE MINING CO RUBY HILL | EUREKA, NV | 2024 | — | — | — |
| WINNEMUCCA PLANT | WINNEMUCCA, NV | 2024 | — | — | — |
| SANTA FE PACIFIC MINERALS MESQUITE MINE | BRAWLEY, CA | 2024 | — | — | — |
| FLORIDA CANYON AND STANDARD MINES | IMLAY, NV | 2024 | — | — | — |
| GREAT SALT LAKE MINERALS | OGDEN, UT | 2024 | — | — | — |
| GRP PAN LLC | ELY, NV | 2024 | — | — | — |
| G. TANURY PLATING COMPANY | JOHNSTON, RI | 2024 | — | — | — |
| BARRICK GOLDSTRIKE MINE | CARLIN, NV | 2024 | — | — | — |
| AIRCRAFT PLATING CORP. | CLEVELAND, OH | 2024 | — | — | — |
| CLEARWATER BULLETS | LEWISTON, ID | 2024 | — | — | — |
| PVS CHEMICALS INC (OHIO) | COPLEY, OH | 2024 | — | — | — |
| CHEVRON MM PASCAGOULA | PASCAGOULA, MS | 2024 | — | — | — |
| FORT AMANDA SPECIALTIES LLC | LIMA, OH | 2024 | — | — | — |
| MCEWEN GOLD BAR MINE | EUREKA, NV | 2024 | — | — | — |
| HUNTSMAN ADVANCED MATERIALS AMERICAS, LLC | AKRON, OH | 2024 | — | — | — |