Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HOUSTON MARINE SERVICES PORT ARTHUR TERMINAL
2706 S GULFWAY, PORT ARTHUR, TX, 77641
Parent company: HOUSTON MARINE SERVICES 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 | Naphthalene | Phenanthrene | Cyclohexane | 1,2,4-Trimethylbenzene | n-Hexane | Total (lbs) |
| 2003 | — | — | — | 23 | 22 | 45 |
| 2001 | 323 | 107 | 64 | 23 | 21 | 562 |
| 2000 | 331 | 108 | 64 | 23 | 21 | 571 |
| 1999 | 332 | 108 | 64 | 23 | 21 | 573 |
| 1998 | 332 | 108 | 64 | 23 | 21 | 573 |
▎ 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.