www.epa.gov/region10/tri
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2011 Toxics Release Inventory
Idaho State Report
January 2013
Releases in Idaho
What is a Release?
In 2011, 97 facilities reported 54 million pounds of toxic
chemical disposal and releases, a decrease of 3%, or 1.7
million pounds, from 2010. Idaho ranks 20th in the nation
for total TRI chemicals reported released.
A TRI "release" is defined as the amount of a toxic
chemical released, or disposed of, on-site (to air, water,
underground injection, landfills, and other land disposal),
and the amount transferred off-site for disposal. All
releases values in this report are listed in pounds released
in 2011.
Total Releases Reported in Idaho from 2007- 2011
TRI Releases in Idaho
in
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o
CL
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c
o
100
*
o
0J
o
n
in
Off-Site
Other On-Site
Water
Air
• No. of Facilities Reporting
2007
2008
2009
2010
2011
Top Ten Facilities

Facility Name
City
Total On-Site Releases (lbs.)*
1
Hecla Ltd Lucky Friday Mine
Mullan
17,059,136
2
US Ecology Idaho Inc
Grand View
10,201,929
3
US Silver - Idaho Inc
Wallace
4,697,185
4
JR Simplot Co Don Plant
Pocatello
4,337,998
5
P4 Production LLC
Soda Springs
4,106,542
6
Thompson Creek Mining Co
Clayton
3,053,578
7
McCain Foods USA
Burley
2,261,181
8
US EPA Fund-Lead Superfund Site/Bunker Hill CTP
Kellogg
1,660,638
9
Amalgamated Sugar Co
Paul
1,647,733
10
Glanbia Foods Inc
Gooding
1,447,136
includes on-site releases to air, water, underground injection, and land disposal (including landfills, land treatment and holding ponds).
TRI facilities are regulated by EPA, state, and/or local environmental agencies. Use Envirofacts to learn more about these facilities.

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Top Five Industries

Industry
On-Site Releases (lbs.)
Off-Site Disposal
(lbs.)
Total On and Off-Site Disposal
and Releases (lbs.)
Percent of Total
1
Metal Mining
24,809,904
23,244
24,833,148
45.33%
2
Hazardous Waste/Solvent Recovery
10,201,929
1
10,201,930
18.62%
3
Chemicals
8,857,337
52,818
8,910,156
16.26%
4
Food/Beverages/Tobacco
6,951,014
85,537
7,036,551
12.84%
5
No Industry Code (Govt Facilities)
1,925,022
181,611
2,106,633
3.85%
Top Five TRI-Chemicals Released
Top Chemicals Released to Water in 2011
METHANOL ACETALDEHYDE
1%
1%
AMMONIA
0%
MANGANESE
COMPOUNDS
4%
OTHER
0%
NITRATE
COMPOUNDS
94%
Top Chemicals Released to Land in 2011
Persistent, Bioaccumulative, and Toxic Total PBT Chemical Releases - Comparison of 2011 to 2010
(PBT) Chemicals
PBT chemicals are toxic chemicals that persist
in the environment and bioaccumulate in food
chains, posing risks to human health and
ecosystems. PBT chemicals are a subset of the
TBI listed chemicals that have stricter reporting
requirements.
Chemical
2010 On-Site
PBT Releases
(lbs.)
2011 On-Site
PBT Releases
(lbs.)
Percent Change
Lead and lead compounds
7,677,600
7,936,684
3.37%
Polychlorinated Biphenyis
29,491
401,156
1260.27%
Mercury and mercury compounds
4,803
6,094
26.87%
Polycyclic Aromatic Compounds
2,799
1,15:1
-58.86%
Benzo(g,h,i)perylene
0.4413
0.002080
-99.53%
Dioxin and dioxin-like compounds
0.004360
0.003301
-24.28%
OTHER
11%
METHANOL
13%
AMMONIA
66%
OTHER
17%
HYDROGEN
FLUORIDE
3%.
NITRATE
COMPOUNDS |
4%
ZINC
COMPOUNDS
FUMES OR DUST
25%
MANGANES AND
MANGANES
COMPOUNDS
34%
Top Chemicals Released to Air in 2011
STYRENE
.LEAD AND LEAD
COMPOUNDS
17%
ZINC
COMPOUNDS
3%
HYDROGEN
FLUORIDE
4%
The TRI dataset used for this report includes revisions processed by EPA as of October 10, 2012
For more information about the TRI program, visit www.epa.gov/tri

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