Methyl hydrazine
CAS # 60-34-4
248,230 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)
+6192631% overall
| Year | Total Released (lbs) | Reporting Facilities | vs Prior Year |
|---|---|---|---|
| 2015 | 4 | 1 | — |
| 2016 | 13 | 1 | +225% |
| 2017 | 165 | 3 | +1171% |
| 2018 | 132 | 4 | -20% |
| 2019 | 199 | 1 | +50% |
| 2020 | 4 | 1 | -98% |
| 2021 | 2 | 1 | -50% |
| 2022 | 2 | 1 | 0% |
| 2024 | 247,709 | 1 | +12385362% |
Top Releasing Industries
| Industry Sector | Total Released (lbs) | Facilities |
|---|---|---|
| Administrative and Support and Waste Management | 247,787 | 3 |
| Manufacturing | 443 | 2 |
| Facility | Location | Year | Total (lbs) | Air | Water |
|---|---|---|---|---|---|
| (VEOLIA) ELEMENTAL ENVIRONMENTAL SOLUTIONS LLC - GUM SPRINGS PLANT | ARKADELPHIA, AR | 2024 | 247,709 | 0 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2022 | 2 | 2 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2021 | 2 | 2 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2020 | 4 | 4 | — |
| SPACE EXPLORATION TECHNOLOGIES | MCGREGOR, TX | 2019 | 199 | 199 | — |
| SPACE EXPLORATION TECHNOLOGIES | MCGREGOR, TX | 2018 | 124 | 124 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2018 | 6 | 6 | — |
| VEOLIA ES TECHNICAL SOLUTIONS LLC | SAUGET, IL | 2018 | 1 | 1 | — |
| CALCA SOLUTIONS, LLC | WESTLAKE, LA | 2018 | 1 | 1 | — |
| CALCA SOLUTIONS, LLC | WESTLAKE, LA | 2017 | — | — | — |
| SPACE EXPLORATION TECHNOLOGIES | MCGREGOR, TX | 2017 | 119 | 119 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2017 | 46 | 46 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2016 | 13 | 13 | — |
| VEOLIA ES TECHNICAL SOLUTIONS | BEAUMONT, TX | 2015 | 4 | 4 | — |