Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
UNICIRCUIT INC
8192 S PARK LN, LITTLETON, CO, 80120
Parent company: TTM TECHNOLOGIES INC
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Formaldehyde | Lead compounds | Lead | Lead And Lead Compounds | Copper And Copper Compounds | Total |
|---|---|---|---|---|---|---|
| 2024 | — | — | — | 1 | 0 | 1 |
| 2023 | — | — | — | 1 | 0 | 2 |
| 2022 | — | — | — | 1 | 0 | 2 |
| 2021 | — | — | — | 0 | — | 0 |
| 2020 | — | — | — | 1 | — | 1 |
| 2019 | 224 | — | — | 1 | — | 225 |
| 2018 | — | 1 | — | — | — | 1 |
| 2017 | — | 0 | — | — | — | 0 |
| 2016 | — | 0 | — | — | — | 0 |
| 2015 | — | 1 | — | — | — | 1 |
| 2014 | — | 1 | — | — | — | 1 |
| 2013 | — | 1 | — | — | — | 1 |
| 2012 | — | 2 | — | — | — | 2 |
| 2011 | — | 3 | — | — | — | 3 |
| 2010 | — | 2 | — | — | — | 2 |
| 2009 | — | 2 | — | — | — | 2 |
| 2008 | — | 2 | — | — | — | 2 |
| 2007 | — | 8 | — | — | — | 8 |
| 2006 | — | 1 | — | — | — | 1 |
| 2005 | — | 1 | — | — | — | 1 |
| 2004 | — | 7 | — | — | — | 7 |
| 2003 | — | 6 | — | — | — | 6 |
| 2002 | — | — | 6 | — | — | 6 |
| 2001 | — | — | 5 | — | — | 5 |