Facility detail

ALLEGHENY ENERGY INC ARMSTRONG POWER STATION

R D 1 STATE RTE 4006, KITTANNING, PA, 16201

Parent company: ALLEGHENY ENERGY 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	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Hydrogen fluoride	Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	Vanadium compounds	Total
2012	310,000	40,000	—	—	—	350,650
2011	1,400,000	200,000	91,000	85,380	31,200	1,881,781
2010	1,600,000	200,000	89,000	91,328	33,180	2,091,998
2009	620,000	70,000	33,000	32,139	—	758,584
2008	1,500,000	130,000	80,000	80,142	29,072	1,868,502
2007	2,400,000	190,000	110,000	110,269	39,109	2,960,913
2006	1,900,000	160,000	96,000	97,318	35,100	2,387,684
2005	2,300,000	180,000	110,000	15,327	5,307	2,626,013
2004	2,800,000	200,000	110,000	96,225	35,110	3,341,747
2003	3,103,100	210,210	150,150	91,202	34,114	3,742,094
2002	2,602,600	200,200	150,150	42,416	15,210	3,075,845
2001	2,102,100	190,190	150,150	67,428	26,250	2,625,474
2000	3,003,000	210,210	170,170	54,610	21,300	3,527,478
1999	1,901,900	250,250	140,140	44,660	—	2,394,563
1998	1,301,300	320,320	170,170	89,791	—	2,000,987