Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PRAXAIR SURFACE TECHNOLOGIES INC
1555 MAIN ST, INDIANAPOLIS, IN, 46224
Parent company: PRAXAIR INC
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 | Cobalt | Copper | Acetone | Total (lbs) |
| 2003 | 10 | 26 | 18 | 2 | — | 56 |
| 2002 | 6 | 30 | 18 | 2 | — | 56 |
| 2001 | 32 | 22 | 34 | 2 | — | 90 |
| 2000 | 36 | 56 | 48 | 2 | — | 142 |
| 1999 | 64 | 48 | 58 | 4 | — | 174 |
| 1998 | 3,170 | 1,250 | 1,250 | 10 | — | 5,680 |
| 1997 | 2,380 | 750 | 750 | 10 | — | 3,890 |
| 1996 | 1,000 | 500 | 500 | 255 | — | 2,255 |
| 1995 | 1,000 | 1,000 | 500 | 255 | — | 2,755 |
| 1994 | 1,000 | 1,000 | 500 | 255 | — | 2,755 |
| 1993 | 500 | 500 | 500 | 255 | — | 1,755 |
| 1992 | 255 | 255 | 255 | 255 | — | 1,020 |
| 1991 | 255 | 255 | 255 | — | — | 765 |
| 1990 | 164 | 294 | 430 | — | — | 888 |
| 1989 | 143 | 155 | 179 | — | — | 477 |
| 1988 | 123 | — | 63 | — | 3 | 189 |
| 1987 | — | — | 327 | — | — | 327 |
▎ 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.