Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
LHOIST NA OF ARIZONA INC - NELSON PLANT
2.5 MILES S OF MILE 112 RT 66, PEACH SPRINGS, AZ, 86434
Parent company: LHOIST NA INC
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 | Vanadium compounds | Nickel compounds | Lead compounds | Methanol | Lead And Lead Compounds | Total (lbs) |
| 2024 | 5,402 | — | — | — | 6,109 | 13,498 |
| 2023 | 8,010 | 3,050 | 4,302 | — | — | 15,362 |
| 2022 | 9,546 | 3,667 | 4,538 | — | — | 17,751 |
| 2021 | 13,605 | — | — | — | 4,459 | 23,421 |
| 2020 | 14,951 | — | — | — | 4,327 | 24,753 |
| 2019 | 7,669 | 2,704 | 7,909 | — | 45 | 18,384 |
| 2018 | 6,130 | — | — | — | 8,596 | 16,937 |
| 2017 | 7,023 | 2,478 | 8,424 | — | — | 17,974 |
| 2016 | 6,226 | 2,197 | 9,145 | — | — | 17,622 |
| 2015 | 6,841 | 2,412 | 9,231 | — | — | 18,538 |
| 2014 | 6,252 | 2,205 | 3,395 | — | — | 11,878 |
| 2013 | 6,152 | 2,170 | 3,489 | — | — | 11,837 |
| 2012 | 5,802 | 2,049 | 3,709 | — | — | 11,588 |
| 2011 | 5,351 | 1,888 | 4,477 | — | — | 11,750 |
| 2010 | 7,827 | 2,763 | 5,737 | — | — | 16,370 |
| 2009 | 5,453 | 1,945 | 6,384 | — | — | 13,829 |
| 2008 | 66,906 | 24,771 | 4,789 | — | — | 96,499 |
| 2007 | 68,659 | 25,529 | 4,973 | — | — | 99,195 |
| 2006 | 69,274 | 26,787 | 3,107 | — | — | 99,188 |
| 2005 | 6,952 | 3,012 | 4,532 | — | — | 14,570 |
| 2004 | 13,526 | 8,330 | 4,568 | — | — | 26,497 |
| 2003 | 12,908 | 7,789 | 4,050 | — | — | 24,810 |
| 2002 | 6,995 | 4,416 | 1,738 | — | — | 33,206 |
| 2001 | 6,052 | 3,840 | 1,719 | 15,945 | — | 27,556 |
| 2000 | 31,762 | — | — | 24,829 | — | 56,591 |
▎ 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.