Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HT ALUMINUM SPECIALTIES INC
2043 E STATE ROAD 4, LA PORTE, IN, 46350
Parent company: ROCK CREEK ALUMINUM 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 | Aluminum (fume or dust) | Copper compounds | Zinc compounds | Lead compounds | Lead | Total (lbs) |
| 2008 | — | 6 | 6 | 1 | — | 13 |
| 2007 | 870 | — | — | — | 0 | 870 |
| 2006 | 852 | — | — | — | 0 | 852 |
| 2005 | 731 | — | — | — | 0 | 731 |
| 2004 | 940 | — | — | — | 0 | 940 |
| 2003 | 731 | — | — | — | 0 | 731 |
▎ 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.