Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GENERAL SHALE BRICK INC. PLANT 29
100 HILL ST, KINGSPORT, TN, 37662
Parent company: NA
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 | Hydrogen fluoride | Manganese compounds | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total (lbs) | |
| 2005 | 32,476 | — | — | — | 32,476 | |
| 2004 | 30,592 | — | — | — | 30,592 | |
| 2003 | 31,200 | — | — | — | 31,200 | |
| 2001 | 21,750 | — | — | — | 21,750 | |
| 2000 | 25,524 | — | — | — | 25,524 | |
| 1999 | 37,393 | — | — | — | 37,393 | |
| 1998 | 38,353 | — | — | — | 38,353 | |
| 1997 | 38,597 | — | — | — | 38,597 | |
| 1996 | 63,180 | — | — | — | 63,180 | |
| 1994 | — | 7 | — | — | 7 | |
| 1993 | — | 19 | 19 | 30 | 68 | |
| 1992 | — | 49 | 23 | 33 | 105 | |
| 1991 | — | 58 | 44 | 40 | 142 | |
| 1990 | — | 56 | 46 | 20 | 122 | |
| 1989 | — | 150 | 90 | — | 240 | |
| 1988 | — | 130 | — | — | 130 | |
▎ 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.