Facility detail

KOPPERS INC. (GRENADA, MS)

1 KOPPERS DR, TIE PLANT, MS, 38960

Parent company: KOPPERS INC

Carcinogen PBT — EPA classifications across all reporting years

Start another search Verify on EPA ECHO ↗

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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	Creosote	Naphthalene	Anthracene	Pentachlorophenol	Dibenzofuran	Total (lbs)
2012	471	—	—	25	—	497
2011	1,371	—	—	30	—	1,404
2010	1,680	—	—	23	—	1,706
2009	2,991	—	—	74	—	3,067
2008	3,701	—	—	40	—	3,744
2007	2,901	—	—	37	—	2,940
2006	3,205	—	—	52	—	3,260
2005	2,703	—	—	69	—	2,774
2004	3,205	—	—	260	—	3,469
2003	2,475	—	—	260	—	2,738
2002	3,310	—	—	265	—	3,587
2001	2,805	—	—	167	—	2,976
2000	3,195	—	—	88	—	3,288
1999	5,879	—	—	54	—	5,933
1998	10,293	—	—	287	—	10,580
1997	5,973	—	—	4	—	5,977
1996	5,223	—	—	4	—	5,227
1995	8,300	—	—	6	—	8,306
1994	30,000	—	—	30	—	30,030
1993	27,000	—	—	30	—	27,030
1992	13,600	—	—	35	—	13,635
1991	5,800	—	—	34	—	5,834
1990	10,960	—	—	131	—	11,091
1989	—	3,816	423	92	694	5,025
1988	—	5,109	952	—	1,051	7,112
1987	—	—	1,038	—	—	1,038

▎ 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.