Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
THOMSON INC
24200 US RT 23 S, CIRCLEVILLE, OH, 431139002
Parent company: THOMSON INC
Carcinogen
PBT
— 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 | Lead compounds | Antimony compounds | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Nickel compounds | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Total (lbs) |
| 2004 | 485 | 416 | 287 | — | 1 | 1,189 |
| 2003 | 2,286 | 2,384 | 332 | — | 1 | 5,004 |
| 2002 | 2,444 | 2,056 | 350 | — | 2 | 4,851 |
| 2001 | 1,231 | 430 | 284 | — | 1 | 1,946 |
| 2000 | 1,180 | 413 | 276 | — | 5 | 1,874 |
| 1999 | 1,187 | 467 | 280 | — | 5 | 1,939 |
| 1998 | 1,171 | 417 | 344 | — | 5 | 1,937 |
| 1997 | 2,511 | 429 | 296 | — | 5 | 3,241 |
| 1996 | 2,507 | 1,259 | 2,049 | — | 5 | 5,820 |
| 1995 | 2,575 | 665 | 1,582 | — | 50 | 4,872 |
| 1994 | 2,564 | 804 | 1,576 | — | — | 4,944 |
| 1993 | 2,347 | 810 | 918 | — | — | 4,075 |
| 1992 | 2,359 | 809 | 845 | — | — | 4,013 |
| 1991 | 2,317 | 508 | 727 | — | 251 | 3,803 |
| 1990 | 9,900 | 505 | 1,600 | 260 | — | 12,265 |
| 1989 | 9,000 | 30,500 | 1,300 | 750 | — | 41,550 |
| 1988 | — | 12,000 | 4,800 | 750 | — | 17,550 |
| 1987 | 40,000 | — | — | — | — | 40,000 |
▎ 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.