Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TWIST INC
1370 LAVELLE DR, XENIA, OH, 45385
Parent company: NA
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Nitric acid | Zinc compounds | Nickel | Chromium | Manganese | Total (lbs) |
| 2024 | — | 20 | 1 | 2 | 1 | 24 |
| 2023 | 1,006 | 20 | 58 | 2 | 2 | 1,087 |
| 2022 | 1,006 | 20 | 58 | 2 | 1 | 1,087 |
| 2021 | 1,080 | 20 | 81 | 2 | 2 | 1,184 |
| 2020 | 562 | 20 | 27 | 2 | 2 | 614 |
| 2019 | 410 | 100 | 2 | 3 | 2 | 517 |
| 2018 | 410 | 140 | 5 | 4 | 3 | 562 |
| 2017 | 410 | 250 | 22 | 4 | 3 | 689 |
| 2016 | — | 100 | 2 | 3 | — | 105 |
| 2015 | — | 100 | 2 | 4 | — | 106 |
| 2014 | — | 100 | 2 | 4 | — | 106 |
| 2013 | 320 | 100 | 2 | 3 | — | 425 |
| 2012 | 320 | 100 | 2 | 3 | — | 425 |
| 2011 | — | 100 | 2 | 3 | — | 105 |
| 2010 | — | 100 | 2 | 3 | — | 105 |
| 2009 | 320 | 100 | 2 | 3 | — | 425 |
| 2008 | 170 | 100 | 2 | 3 | — | 275 |
| 2007 | 230 | 100 | 2 | 3 | — | 335 |
| 2006 | 380 | 100 | 2 | 3 | — | 485 |
| 2005 | 376 | 100 | 2 | 3 | — | 481 |
| 2004 | — | 90 | 2 | 3 | — | 95 |
| 2003 | — | 88 | 2 | 3 | — | 93 |
| 2002 | 230 | 100 | 2 | 3 | — | 335 |
| 2001 | — | 90 | 3 | 4 | — | 97 |
| 2000 | — | 16 | — | — | — | 16 |
| 1999 | — | 3 | — | — | — | 3 |
| 1998 | — | 250 | — | — | — | 250 |
| 1997 | 1,000 | — | — | — | — | 1,005 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.