Contact EPA Pacific Southwest TRI
Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Toxics Release Inventory: Past Data Releases
Data From Past Years
This information is provided for historical reference only.
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2010 Data Release Information »
- 2010 National Data Release
The annual TRI Public Data Release includes a general overview of the 2010 TRI data, information on trends, electronic state fact sheets that provide a brief summary of the TRI data by State, and downloadable data files that contain detailed release information. - Users can access TRI information on toxic chemical releases and other waste management from particular facilities, in particular communities, and by individual chemical through the TRI Web site. The TRI website provides links to TRI data access tools, including the TRI Explorer or Toxic Release Query Form, from EPA's data warehouse, Envirofacts.
- Click here for the 2010 Border fact sheets
2010 Region 9 Data Release
Reports (created by Region 9)
- General Information (PDF) (2 pp, 91K)
- Arizona (PDF) (2 pp, 237K)
- California (PDF) (2 pp, 202K)
- Hawaii (PDF) (2 pp, 193K)
- Nevada (PDF) (2 pp, 170K)
- San Diego County - Mexico Border (PDF) (2 pp, 200K)
- Arizona - Mexico Border (PDF) (2 pp, 200K)
- Imperial County - Mexico Border (PDF) (2 pp, 200K)
National Analysis
Factsheets by State (National)
- 2010 National Data Release
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2009 Data Release Information »
The annual TRI Public Data Release includes a general overview of the 2009 TRI data, information on trends, electronic state fact sheets that provide a brief summary of the TRI data by State, and downloadable data files that contain detailed release information.
Users can access TRI information on toxic chemical releases and other waste management from particular facilities, in particular communities, and by individual chemical through the TRI Web site. The TRI website provides links to TRI data access tools, including the TRI Explorer or Toxic Release Query Form, from EPA's data warehouse, Envirofacts.
Reports (created by Region 9)
- General Information (PDF) (2 pp, 91K)
- Arizona (PDF) (2 pp, 202K)
- California (PDF) (2 pp, 126K)
- Hawaii (PDF) (2 pp, 136K)
- Nevada (PDF) (2 pp, 150K)
- California-Mexico Border (PDF) (2007-2009) (2 pp, 125K)
- Arizona-Mexico Border (PDF) (2007-2009) (2 pp, 121K)
- I-710 Corridor Report (PDF) (2 pp, 177K)
National Analysis
Factsheets by State
(National)
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2008 Data Release Information »
The annual TRI Public Data Release includes a general overview of the 2008 TRI data, information on trends, electronic state fact sheets that provide a brief summary of the TRI data by State, and downloadable data files that contain detailed release information.
Reports by State
- Arizona (PDF) (2 pp, 83K)
- California (PDF) (2 pp, 81K)
- Hawaii (PDF) (2 pp, 84K)
- Nevada (PDF) (2 pp, 85K)
Reports for the U.S./Mexico Border Region
- California-Mexico Border (PDF) (2006-2008) (2 pp, 86K)
| Español (PDF) (2pp, 89K) - Arizona-Mexico Border (PDF) (2006-2008) (2 pp, 85K)
| Español (PDF) (2 pp, 85K)
General Information for 2008
- General Information (PDF) (2 pp, 71K)
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2007 Data Release Information »
The annual TRI Public Data Release includes a general overview of the 2007 TRI data, information on trends, electronic state fact sheets that provide a brief summary of the TRI data by State, and downloadable data files that contain detailed release information.
Reports by State
- Arizona (PDF) (3 pp, 83K)
- California (PDF) (3 pp, 81K)
- Hawaii (PDF) (3 pp, 84K)
- Nevada (PDF) (3 pp, 85K)
Reports for the U.S./Mexico Border Region
- California-Mexico Border (PDF) (2005-2007) (2 pp, 86K)
| Español (PDF) (2pp, 89K) - Arizona-Mexico Border (PDF) (2005-2007) (2 pp, 85K)
| Español (PDF) (2 pp, 85K)
General Information for 2007
- General Information (PDF) (2 pp, 71K)
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2006 Data Release Information »
The annual TRI Public Data Release includes a general overview of the 2006 TRI data, information on trends, electronic state fact sheets that provide a brief summary of the TRI data by State, and downloadable data files that contain detailed release information.
Reports by State
- Arizona (PDF) (4 pp, 98K)
- California (PDF) (5 pp, 99K)
- Hawaii (PDF) (4 pp, 87K)
- Nevada (PDF) (4 pp, 87K)
Reports for the U.S./Mexico Border Region
- Border - Arizona (PDF) (2 pp, 76K)
- Border - California (PDF) (2 pp, 77K)
Report by Chemical
- Mercury (PDF) (4 pp, 98K)
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2005 Data Release Information »
The annual TRI Public Data Release includes a general overview of the 2006 TRI data, information on trends, electronic state fact sheets that provide a brief summary of the TRI data by State, and downloadable data files that contain detailed release information.
Reports by State
- Arizona (PDF) (4 pp, 84K)
- California (PDF) (4 pp, 77K)
- Hawaii (PDF) (4 pp, 79K)
- Nevada (PDF) (4 pp, 79K)
Reports for the U.S./Mexico Border Region
- Border - Arizona (PDF) (2 pp, 64K)
- Border - California (PDF) (2 pp, 65K)
Report by Chemical
- Mercury (PDF) (4 pp, 88K)
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2004 Data Release Information »
Fact sheets by state:
- Arizona (PDF) (5 pp, 90K)
- California (PDF) (4 pp, 93K)
- Hawaii (PDF) (4 pp, 81K)
- Nevada (PDF) (5 pp, 91K)
Report by Chemical
- Mercury (PDF) (4 pp, 43K)
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2003 Data Release Information »
Fact sheets by state:
- Arizona (PDF) (4 pp, 86K)
- California (PDF) (4 pp, 45K)
- Nevada (PDF) (4 pp, 88K)
- Hawaii (PDF) (4 pp, 82K)
Fact sheets by chemical:
- Lead and Lead Compounds Fact Sheet (PDF) (4 pp, 50K)
- Mercury Fact Sheet (PDF) (4 pp, 50K)
- Dioxin Fact Sheet (PDF) (4 pp, 51K)
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2002 Data Release Information »
Fact sheets by state:
- Arizona (PDF) (4 pp, 56K)
- California (PDF) (4 pp, 56K)
- Nevada (PDF) (4 pp, 53K)
- Hawaii (PDF) (4 pp, 59K)
Fact sheets by chemical:
- Lead and Lead Compounds Fact Sheet (PDF) (5 pp, 87K)
- Mercury Fact Sheet (PDF) (4 pp, 51K)
- Dioxin Fact Sheet (PDF) (4 pp, 49K)
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2001 Data Release Information »
Fact sheets by state:
- Arizona (PDF) (4 pp, 72K)
- California (PDF) (4 pp, 50K)
- Nevada (PDF) (3 pp, 58K)
- Hawaii (PDF) (3 pp, 67K)
Note: Some facilities in Hawaii have changed the way that they calculate report their chemical releases. EPA is working with the facilities to determine the correct reporting methodology. In comparing 2001 data to previous years, note that the calculation method of sulfuric acid releases from electricity generating facilities has changed
Fact sheets by chemical:
- 2001 Region 9 Lead Fact Sheet (PDF) (2 pp, 47K)
- 2001 Region 9 Lead Compounds Fact Sheet (PDF) (2 pp, 45K)
- 2001 Region 9 Mercury Fact Sheet (PDF) (2 pp, 47K)
- 2001 Region 9 Dioxin Fact Sheet (PDF) (2 pp, 46K)
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2000 Data Release Information »
Fact sheets by state:
- Arizona (PDF) (2 pp, 49K)
- California (PDF) (2 pp, 52K)
- Nevada (PDF) (2 pp, 53K)
- Hawaii (PDF) (3 pp, 73K)
Note: Some facilities in Hawaii have changed the way that they calculate report their chemical releases. EPA is working with the facilities to determine the correct reporting methodology, but for now, comparing data from year to year is problematic. This fact sheet represents data as currently reported to EPA.
Fact sheets by chemical:
- 2000 Region 9 Mercury Fact Sheet (PDF) (2 pp, 40K)
- 2000 Region 9 Dioxin Fact Sheet (PDF) (2 pp, 45K)
General TRI Program Information
- EPA's National TRI Community Right to Know home page: information about EPA's national TRI program
- EPA Region 9 TRI Program home page: information about TRI specific to the Pacific Southwest
- General Information for 2007 Release (PDF) (2 pp, 71K)
For More Information
For more information about TRI, contact EPA's Region 9 TRI staff, or visit the national TRI Web site.
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