Facility detail

IRVINGTON GENERATING STATION

3950 E IRVINGTON RD, TUCSON, AZ, 85714

Parent company: UNS ENERGY CORP

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	Hydrogen fluoride	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Barium	Lead	Mercury	Total
2015	—	—	773	17	—	790
2014	—	—	273	8	3	284
2013	29,754	—	350	9	5	30,118
2012	—	—	87	6	5	98
2011	51,957	—	311	8	7	52,284
2010	35,062	—	93	7	5	35,167
2009	12,217	—	119	5	3	12,344
2008	56,883	—	598	8	4	57,492
2007	85,533	—	1,005	9	4	86,551
2006	55,975	—	172,704	3,218	24	231,920
2005	47,032	29,829	82	3	6	76,953
2004	47,779	32,748	210	7	25	80,768
2003	55,844	26,869	204	8	21	82,946
2002	63,379	30,494	260	9	24	94,166
2001	63,000	31,000	133	7	35	94,175
2000	64,000	34,000	222	—	38	98,260
1999	49,795	28,442	150	—	—	78,387
1998	31,000	37,000	115	—	—	68,115