Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MARMON UTILITY LLC
53 OLD WILTON RD, MILFORD, NH, 03055
Parent company: BERKSHIRE HATHAWAY INC
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 | Acetophenone | Freon 113 (CFC-113) | Copper | Total |
|---|---|---|---|---|
| 2024 | 5 | — | 10 | 15 |
| 2023 | 5 | — | 10 | 15 |
| 2022 | 5 | — | 10 | 15 |
| 2021 | 5 | — | 10 | 15 |
| 2020 | 5 | — | 10 | 15 |
| 2019 | 5 | — | 5 | 10 |
| 2018 | 5 | — | 5 | 10 |
| 2017 | 5 | — | 10 | 15 |
| 2016 | — | — | 10 | 10 |
| 2015 | 500 | — | 10 | 510 |
| 2014 | 255 | — | 10 | 265 |
| 2013 | 255 | — | 6 | 261 |
| 2012 | 161,906 | — | 5 | 161,911 |
| 2011 | 82,255 | — | 15 | 82,270 |
| 2010 | — | — | 5 | 5 |
| 2009 | — | — | 5 | 5 |
| 2008 | — | — | 5 | 5 |
| 2007 | — | — | 5 | 5 |
| 2006 | — | — | 5 | 5 |
| 2005 | — | — | 5 | 5 |
| 2004 | — | — | 5 | 5 |
| 2003 | — | — | 5 | 5 |
| 2002 | — | — | 5 | 5 |
| 2001 | — | — | 5 | 5 |
| 2000 | — | — | 5 | 5 |
| 1999 | — | — | 5 | 5 |
| 1994 | 79,000 | — | — | 79,000 |
| 1988 | — | 22,149 | — | 22,149 |
| 1987 | — | 20,000 | — | 20,000 |