Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MIDLAB INC
280 INDUSTRIAL PARK RD, SWEETWATER, TN, 37874
Parent company: KEL-SAN INC
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,1,1-Trichloroethane | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Certain glycol ethers | Hydrogen fluoride | Total (lbs) |
| 1996 | — | — | 21 | 5 | — | 26 |
| 1994 | — | — | 21 | 5 | — | 26 |
| 1993 | — | — | 10 | 5 | — | 15 |
| 1992 | — | — | 10 | — | — | 10 |
| 1991 | — | 3 | 10 | — | — | 13 |
| 1990 | 5 | 5 | 10 | — | 5 | 25 |
| 1989 | — | 250 | — | — | — | 250 |
| 1988 | 2,300 | — | — | — | — | 2,300 |
▎ 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.