Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HUGHES CHRISTENSEN CO
5425 POLK AVE, HOUSTON, TX, 77023
Parent company: BAKER HUGHES 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 | Methanol | Freon 113 (CFC-113) | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Nickel compounds | Copper compounds | Total (lbs) |
| 1992 | 700 | — | — | — | — | 700 |
| 1991 | 836 | — | — | — | — | 836 |
| 1990 | 59,965 | — | — | — | — | 59,980 |
| 1989 | 57,000 | 6,250 | 2,250 | 1,450 | — | 66,965 |
| 1988 | 250 | 56,285 | — | — | — | 56,715 |
| 1987 | — | — | — | — | 250 | 250 |
▎ 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.