Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MURPHY-BROWN LLC CHIEF FEED MILL
210 THE CHIEF LN, ROSE HILL, NC, 28458
Parent company: MURPHY BROWN LLC
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 | Zinc (fume or dust) | Copper And Copper Compounds | Copper compounds | Manganese | Copper | Total (lbs) |
| 2024 | 12 | 1 | — | 3 | — | 16 |
| 2023 | 10 | 10 | — | 2 | — | 21 |
| 2022 | 10 | 10 | — | 2 | — | 22 |
| 2021 | 10 | 8 | — | 2 | — | 20 |
| 2020 | 8 | 7 | — | 1 | — | 16 |
| 2019 | 5 | 8 | — | — | — | 13 |
| 2018 | 4 | 8 | — | — | — | 12 |
| 2017 | 7 | — | 8 | 1 | — | 16 |
| 2016 | 6 | — | 8 | 1 | — | 15 |
| 2015 | 5 | — | 8 | 1 | — | 14 |
| 2014 | 6 | — | 3 | 1 | — | 10 |
| 2013 | 7 | — | 1 | 1 | — | 9 |
| 2012 | 9 | — | 1 | 1 | — | 11 |
| 2011 | 9 | — | 1 | 1 | — | 11 |
| 2010 | 12 | — | 1 | 1 | — | 15 |
| 2009 | 29 | — | 2 | 1 | — | 33 |
| 2008 | 31 | — | 2 | 1 | — | 35 |
| 2007 | 25 | — | 2 | 1 | — | 27 |
| 2006 | 26 | — | — | 1 | 2 | 29 |
| 2005 | 25 | — | — | 1 | 2 | 27 |
| 2004 | 22 | — | — | 1 | 1 | 25 |
▎ 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.