Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AJINOMOTO HEALTH & NUTRITION N.A. INC.
4020 AJINOMOTO DR, RALEIGH, NC, 27610
Parent company: NA
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 | Ammonia | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Methanol | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nitric acid | Total (lbs) |
| 2024 | 77,634 | — | 4,477 | — | — | 82,111 |
| 2023 | 79,131 | — | 5,190 | — | — | 84,321 |
| 2022 | 81,881 | — | 5,292 | — | 7 | 87,179 |
| 2021 | 105,851 | — | 3,425 | — | — | 109,276 |
| 2020 | 141,470 | — | 4,513 | — | — | 145,982 |
| 2019 | 107,623 | — | 4,377 | — | — | 112,000 |
| 2018 | 90,159 | — | 3,715 | — | — | 93,874 |
| 2017 | 88,637 | — | 3,829 | — | — | 92,465 |
| 2016 | 84,792 | — | 4,960 | — | — | 89,753 |
| 2015 | 84,036 | — | 2,716 | — | — | 86,752 |
| 2014 | 78,822 | — | 4,464 | — | — | 83,286 |
| 2013 | 115,171 | — | 1,789 | — | — | 116,960 |
| 2012 | 106,246 | — | 1,620 | — | — | 107,866 |
| 2011 | 112,783 | — | 2,041 | — | — | 114,824 |
| 2010 | 103,811 | — | 1,496 | — | — | 105,307 |
| 2009 | 98,274 | — | 1,500 | — | — | 99,774 |
| 2008 | 83,122 | — | 500 | — | — | 83,622 |
| 2007 | 79,462 | — | 1,000 | — | — | 80,462 |
| 2006 | 72,145 | 8,061 | 500 | — | — | 80,706 |
| 2005 | 72,786 | 8,089 | 500 | 500 | — | 81,875 |
| 2004 | 70,600 | 8,140 | 500 | 10 | — | 79,250 |
| 2003 | 70,900 | 8,050 | 500 | 500 | — | 79,950 |
| 2002 | 69,900 | 8,050 | 255 | 10 | — | 78,215 |
| 2001 | 69,700 | 8,050 | 255 | 10 | — | 78,015 |
| 2000 | 68,700 | 7,950 | 255 | 10 | — | 76,915 |
| 1999 | 70,500 | 8,150 | 255 | 10 | — | 78,915 |
| 1998 | 70,900 | 26,200 | 233 | 9 | — | 97,342 |
| 1997 | 69,300 | 8,150 | 264 | 8 | — | 77,722 |
| 1996 | 70,900 | 26,000 | 236 | 8 | — | 97,144 |
| 1995 | 70,100 | 24,300 | 231 | 5 | 5 | 94,641 |
| 1994 | 69,100 | 24,300 | 258 | 8 | 5 | 93,671 |
| 1993 | 69,600 | 26,500 | 214 | 8 | 5 | 96,327 |
| 1992 | 77,500 | 24,500 | 300 | 15 | 11 | 102,326 |
| 1991 | 79,800 | 22,100 | 620 | 31 | 5 | 102,556 |
| 1990 | 79,600 | 22,640 | 320 | 26 | 6 | 102,592 |
| 1989 | 46,600 | 6,700 | 1,310 | 159 | 2 | 54,771 |
| 1988 | 38,600 | 6,700 | — | 121 | 2 | 45,423 |
| 1987 | — | — | — | — | 1 | 1 |
▎ 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.