Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
US DOE WELDON SPRING SITE
7295 HWY 94 S, SAINT CHARLES, MO, 63304
Parent company: US DEPARTMENT OF ENERGY
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 | Ammonia | Aluminum (fume or dust) | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|---|
| 1998 | 11,685 | 10,982 | 6,236 | — | 28,903 |
| 1994 | — | — | 11 | — | 11 |
| 1993 | — | — | — | 255 | 255 |