Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SIGMA LIFE SCIENCES
9186 SIX PINES SUITE 100, THE WOODLANDS, TX, 77380
Parent company: NA
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Acetonitrile | N,N-Dimethylformamide | Dichloromethane | 1,2-Dichloroethane | Total |
|---|---|---|---|---|---|
| 2024 | 1,505 | 255 | 255 | — | 2,015 |
| 2023 | 1,505 | 255 | 255 | — | 2,015 |
| 2022 | 1,505 | — | 255 | — | 1,760 |
| 2021 | 1,505 | 255 | 255 | — | 2,015 |
| 2020 | 1,305 | 255 | 255 | — | 1,815 |
| 2019 | 1,405 | 255 | 255 | — | 1,915 |
| 2018 | 1,465 | 255 | 255 | — | 1,975 |
| 2017 | 1,465 | 1,465 | 255 | — | 3,185 |
| 2016 | 1,465 | 1,465 | 255 | — | 3,185 |
| 2015 | 10 | — | 10 | — | 20 |
| 2014 | 10 | — | 10 | — | 20 |
| 2013 | 10 | 10 | 10 | — | 30 |
| 2012 | 10 | 10 | 10 | — | 30 |
| 2011 | 10 | 10 | 10 | — | 30 |
| 2010 | 6 | 6 | 6 | — | 18 |
| 2009 | 6 | 6 | 6 | — | 18 |
| 2008 | 6 | 6 | 6 | — | 18 |
| 2007 | 10 | 10 | 10 | 10 | 40 |
| 2006 | 10 | 10 | 10 | 10 | 40 |