Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NATIONAL TECHNOLOGY INC
1101 CARNEGIE ST, ROLLING MEADOWS, IL, 60008
Parent company: NA
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) 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.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Copper compounds | Lead | Copper And Copper Compounds | Total (lbs) | ||
| 2024 | — | 2 | 4 | 6 | ||
| 2023 | — | 1 | — | 1 | ||
| 2022 | — | 1 | 2 | 3 | ||
| 2021 | — | 1 | — | 1 | ||
| 2020 | — | 2 | — | 2 | ||
| 2019 | — | 2 | 3 | 5 | ||
| 2018 | — | 1 | 1 | 2 | ||
| 2017 | 1 | 1 | — | 2 | ||
| 2016 | 1 | 1 | — | 2 | ||
| 2015 | 1 | 2 | — | 3 | ||
| 2014 | 1 | 2 | — | 3 | ||
| 2013 | — | 2 | — | 2 | ||
| 2012 | — | 3 | — | 3 | ||
| 2011 | — | 3 | — | 3 | ||
| 2010 | — | 2 | — | 2 | ||
| 2009 | — | 0 | — | 0 | ||
| 2008 | 47 | 0 | — | 47 | ||
| 2007 | 53 | 0 | — | 53 | ||
| 2006 | 66 | 0 | — | 66 | ||
| 2005 | 140 | 0 | — | 140 | ||
| 2004 | 146 | 0 | — | 146 | ||
| 2003 | 140 | 0 | — | 140 | ||
| 2002 | 109 | 1 | — | 110 | ||
| 2001 | 250 | 1 | — | 251 | ||
| 2000 | 250 | — | — | 250 | ||
| 1999 | 250 | — | — | 250 | ||
| 1998 | 250 | — | — | 250 | ||
| 1997 | 250 | — | — | 250 | ||
| 1996 | 250 | — | — | 250 | ||
| 1995 | 250 | — | — | 250 | ||
| 1994 | 250 | — | — | 250 | ||
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.