Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CHATTANOOGA BOILER & TANK CO
1011 E MAIN ST, CHATTANOOGA, TN, 37401
Parent company: WILLIAMS ENTERPRISES OF GEORGIA
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 | Chromium | Nickel | Manganese | Total (lbs) | ||
| 2002 | 255 | 255 | — | 510 | ||
| 2000 | 255 | 255 | — | 510 | ||
| 1999 | 11 | 36 | — | 47 | ||
| 1998 | 2 | 34 | — | 36 | ||
| 1996 | 114 | 193 | 17 | 324 | ||
| 1995 | 193 | 110 | 11 | 314 | ||
| 1994 | 88 | 64 | 80 | 232 | ||
| 1993 | 75 | 59 | 50 | 184 | ||
| 1992 | 62 | 47 | 25 | 134 | ||
| 1991 | 375 | 226 | 55 | 656 | ||
▎ 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.