Facility detail

NORTHWEST ALUMINUM CO

3313 W SECOND ST, THE DALLES, OR, 97058

Parent company: NORTHWEST ALUMININUM CO INC

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

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

The 10 chemicals with the highest cumulative on-site releases across all available years.

Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.

Year	Sodium hydroxide (solution)	Carbonyl sulfide	Chlorine	Hydrogen fluoride	Hexachloroethane	Total
2007	—	—	250	—	—	250
2006	—	—	250	—	—	250
2005	—	—	250	—	—	250
2004	—	—	500	—	—	500
2003	—	—	1,000	—	—	1,000
2002	—	—	250	—	—	250
2001	—	—	11,800	—	—	11,800
2000	—	350,806	31,323	19,024	—	408,579
1999	—	421,845	36,890	24,861	—	483,596
1998	—	464,812	55,049	26,405	—	546,266
1997	—	467,812	70,606	29,890	—	568,308
1996	—	476,908	37,450	34,892	—	549,250
1995	—	—	65,811	32,768	—	98,579
1994	—	—	85,349	26,921	—	112,270
1993	—	—	72,176	19,913	—	92,089
1992	—	—	70,320	10,776	12,480	93,576
1991	—	—	176,100	13,800	14,342	204,242
1990	—	—	321,700	19,000	—	343,350
1989	—	—	197,200	8,145	—	212,558
1988	2,589,000	—	—	8,565	—	2,597,653
1987	—	—	148,800	7,558	—	156,358