Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
1904 MYKAWA RD, PEARLAND, TX, 77581
Parent company: SEMPRE AVANT LLC
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Methanol | Naphthalene | n-Hexane | Toluene | Acetone | Total |
|---|---|---|---|---|---|---|
| 2024 | 3,323 | 0 | 1,127 | 280 | — | 5,669 |
| 2023 | 3,325 | 1 | 215 | 65 | — | 3,769 |
| 2022 | 3,323 | — | 208 | 57 | — | 3,751 |
| 2021 | 39 | — | 196 | 57 | — | 420 |
| 2020 | 3,391 | 1 | 205 | 47 | — | 3,765 |
| 2019 | 7,272 | 150 | 5,622 | 1,366 | — | 18,740 |
| 2018 | 299,303 | 41,894 | 5,306 | 1,827 | — | 384,475 |
| 2017 | 106,525 | 5,225 | 2,744 | 1,336 | — | 123,774 |
| 2016 | 7,296 | 1,368 | 8,147 | 1,259 | — | 21,758 |
| 2015 | 3,342 | 255 | 755 | 1,761 | — | 12,090 |
| 2014 | 3,742 | 255 | — | 2,670 | — | 13,863 |
| 2013 | 4,707 | — | 6,742 | 2,270 | — | 22,639 |
| 2012 | 4,381 | — | 4,458 | 2,235 | — | 18,088 |
| 2011 | 5,574 | — | 7,423 | 6,497 | — | 48,129 |
| 2001 | 3,397 | — | 986 | 1,691 | — | 8,198 |
| 2000 | 2,567 | — | 587 | 1,881 | — | 6,969 |
| 1999 | 1,106 | — | — | 1,597 | — | 4,956 |
| 1998 | 2,301 | — | — | 2,120 | — | 6,877 |
| 1992 | 3,174 | 67 | — | 4,846 | 15,136 | 37,394 |
| 1991 | 4,700 | — | — | 3,100 | 10,800 | 28,400 |
| 1990 | 1,886 | — | — | 1,500 | 4,711 | 14,668 |
| 1988 | 1,173 | — | — | — | — | 5,151 |
| 1987 | — | — | — | — | — | 2,284 |