Diisocyanates
CAS # N120
6,775,948 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)
+336% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 332,856 | 1,372 | — |
| 2016 | 308,381 | 1,372 | -7% |
| 2017 | 286,944 | 1,388 | -7% |
| 2018 | 320,193 | 1,423 | +12% |
| 2019 | 247,679 | 885 | -23% |
| 2020 | 684,280 | 1,409 | +176% |
| 2021 | 805,365 | 1,407 | +18% |
| 2022 | 967,169 | 1,402 | +20% |
| 2023 | 1,371,552 | 1,379 | +42% |
| 2024 | 1,451,529 | 1,350 | +6% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Other Services | 0 | 3 |
| Agriculture, Forestry, Fishing and Hunting | 0 | 1 |
| Administrative and Support and Waste Management | 3,891,237 | 29 |
| Manufacturing | 2,695,311 | 1,953 |
| Mining, Quarrying, and Oil and Gas Extraction | 174,571 | 6 |
| Public Administration | 9,809 | 6 |
| Wholesale Trade | 4,086 | 30 |
| Professional, Scientific, and Technical Services | 780 | 1 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| MINE SAFETY APPLIANCES | JACKSONVILLE, NC | 2024 | — | — | — |
| WISCONSIN ALUMINUM FOUNDRY | MANITOWOC, WI | 2024 | — | — | — |
| MI WINDOWS & DOORS INC | HEGINS, PA | 2024 | — | — | — |
| TRANE COMMERCIAL SYSTEMS COLUMBIA COIL CENTER | COLUMBIA, SC | 2024 | — | — | — |
| EBAA IRON EASTLAND PLANT | EASTLAND, TX | 2024 | — | — | — |
| KUBOTA MANUFACTURING OF AMERICA - GATEWAY FACILITY | GAINESVILLE, GA | 2024 | — | — | — |
| CARPENTER COMPANY CONOVER | CONOVER, NC | 2024 | — | — | — |
| F G PRODUCTS, INC | RICE LAKE, WI | 2024 | — | — | — |
| DELIVERY CONCEPTS, INC PLANT 4 | OSCEOLA, IN | 2024 | — | — | — |
| WESTERN BONDED PRODUCTS INC | PHOENIX, AZ | 2024 | — | — | — |
| CONSOLIDATED PRECISION PRODUCTS - MINNEAPOLIS | BLOOMINGTON, MN | 2024 | — | — | — |
| JELD-WEN | LIGONIER, IN | 2024 | — | — | — |
| RANGER BOATS | FLIPPIN, AR | 2024 | — | — | — |
| AMERITYRE CORPORATION | BOULDER CITY, NV | 2024 | — | — | — |
| GREDE CASTINGS - BROWNTOWN DIVISION | BROWNTOWN, WI | 2024 | — | — | — |
| DELTA PETROLEUM COMPANY | BAYTOWN, TX | 2024 | — | — | — |
| NORTHWEST PIPE CO | WASHINGTON, WV | 2024 | — | — | — |
| AUTOMATED MERCHANDISING SYS INC | KEARNEYSVILLE, WV | 2024 | — | — | — |
| NATIONAL COOLER | SAN DIMAS, CA | 2024 | — | — | — |
| WABASH NATIONAL | GOSHEN, IN | 2024 | — | — | — |
| HOMES BY OAKWOOD INCORPORATED | RICHFIELD, NC | 2024 | — | — | — |
| CHAMPION HOME BUILDERS, INC. | TOPEKA, IN | 2024 | — | — | — |
| MORFLEX CHEMICAL CO INC | GREENSBORO, NC | 2024 | — | — | — |
| VALEO NORTH AMERICA INCORPORATED | GREENSBURG, IN | 2024 | — | — | — |
| DAUBERT CHEMICAL CO | CHICAGO, IL | 2024 | — | — | — |
| POLYURETHANE SPECIALTIES COMPANY INCORPORATED | LYNDHURST, NJ | 2024 | — | — | — |
| CLARCOR AIR FILTRATION PRODUCTS, INC. | JEFFERSONVILLE, IN | 2024 | — | — | — |
| EURODRIVE INC | HAYWARD, CA | 2024 | — | — | — |
| SONOCO PROTECTIVE SOLUTIONS INC | HAYWARD, CA | 2024 | — | — | — |
| AUTONEUM NORTH AMERICA, INC. | AIKEN, SC | 2024 | — | — | — |
| ANLIN INDUSTRIES | CLOVIS, CA | 2024 | — | — | — |
| AMERICAN ROLLER CO LLC | WALKERTON, IN | 2024 | — | — | — |
| GEORGIA CARPET FINISHERS INC | CHATSWORTH, GA | 2024 | — | — | — |
| MEDTRONIC PERFUSION SYSTEMS | BROOKLYN PARK, MN | 2024 | — | — | — |
| GRAND RAPIDS FOAM - SOUTH TEXAS, INC. | MC ALLEN, TX | 2024 | — | — | — |
| SKYLINE CORPORATION | OCALA, FL | 2024 | — | — | — |
| TRD MANUFACTURING INC | MACHESNEY PARK, IL | 2024 | — | — | — |
| AMESBURYTRUTH | STATESVILLE, NC | 2024 | — | — | — |
| DECATUR FOUNDRY, INC. | DECATUR, IL | 2024 | — | — | — |
| ALL WEATHER INSULATED PANELS | LITTLE ROCK, AR | 2024 | — | — | — |
| BROOKLYN BEDDING | GLENDALE, AZ | 2024 | — | — | — |
| SIERRA ARMY DEPOT | HERLONG, CA | 2024 | — | — | — |
| AMCOR FLEXIBLES LLC | MADISON, WI | 2024 | — | — | — |
| JAYCO INC | MIDDLEBURY, IN | 2024 | — | — | — |
| ALDO COATINGS | SALISBURY, NC | 2024 | — | — | — |
| FOREST RIVER HOUSING, INC | WAKARUSA, IN | 2024 | — | — | — |
| ROYAL ADHESIVES AND SEALANTS LLC | SOUTH BEND, IN | 2024 | — | — | — |
| DOMETIC CORPORATION | POMPANO BEACH, FL | 2024 | — | — | — |
| HOFFMAN ENCLOSURES INC | ANOKA, MN | 2024 | — | — | — |
| WALKER STAINLESS EQUIPMENT CO | NEW LISBON, WI | 2024 | — | — | — |