Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BAYER MATERIALSCIENCE LLC
RT 25, INSTITUTE, WV, 25112
Parent company: BAYER CORP
Carcinogen
— 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 | Propylene oxide | Ethylene oxide | Styrene | Acrylonitrile | Formaldehyde | Total (lbs) |
| 2004 | 650 | 25 | — | — | — | 675 |
| 2003 | 3,300 | 97 | — | — | — | 3,397 |
| 2002 | 3,075 | 93 | — | — | — | 3,168 |
| 2001 | 2,970 | 12 | — | — | — | 2,982 |
| 2000 | 2,940 | 8 | — | — | — | 2,948 |
| 1999 | 330 | 16 | — | — | — | 346 |
| 1998 | 297 | 16 | — | — | — | 313 |
| 1997 | 235 | 18 | — | — | — | 253 |
| 1996 | 384 | 38 | — | — | — | 422 |
| 1995 | 191 | 36 | — | — | — | 227 |
| 1994 | 219 | 75 | — | — | — | 294 |
| 1993 | 17,830 | 1,299 | — | — | — | 19,129 |
| 1992 | 57,066 | 17,806 | — | — | 2,206 | 77,721 |
| 1991 | 54,182 | 18,837 | — | — | 2,984 | 76,659 |
| 1990 | 54,692 | 20,371 | 50,238 | 38,110 | 1,677 | 165,981 |
▎ 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.