Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DELONG MOUNTAIN TRANSPORTATION FACILITY PORT SITE
13 MILES SW OF KIVALINA, KOTZEBUE, AK, 99752
Parent company: TECK AMERICAN 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 | Zinc compounds | Lead compounds | Cadmium compounds | Mercury compounds | Total (lbs) | |
| 2009 | 5,444 | 1,450 | 34 | 1 | 6,929 | |
| 2008 | 5,314 | 1,649 | 34 | 2 | 6,999 | |
| 2007 | 5,585 | 1,594 | 33 | 2 | 7,214 | |
| 2006 | 4,943 | 1,265 | 33 | 1 | 6,242 | |
| 2005 | 3,393 | 800 | 260 | 1 | 4,454 | |
| 2004 | 2,848 | 672 | 26 | — | 3,546 | |
| 2003 | 2,565 | 546 | 25 | — | 3,136 | |
| 2002 | 4,267 | 894 | 36 | — | 5,197 | |
| 2001 | 6,307 | 1,313 | 52 | — | 7,672 | |
| 2000 | 6,970 | 1,352 | 54 | — | 8,376 | |
| 1999 | 9,564 | 2,142 | 64 | — | 11,770 | |
| 1998 | 6,223 | 1,547 | 45 | — | 7,815 | |
▎ 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.