Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
JAMES A MURPHY & SON (RI)
50 COLORADO AVE, WARWICK, RI, 02888
Parent company: NATIONAL CHAIN CO
Carcinogen
— 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 | 1,1,1-Trichloroethane | Trichloroethylene | Ammonia | Nitric acid | Sodium hydroxide (solution) | Total (lbs) |
| 2024 | — | — | 64 | — | — | 64 |
| 2023 | — | — | 30 | — | — | 30 |
| 2022 | — | — | 19 | — | — | 19 |
| 2021 | — | — | 13 | — | — | 13 |
| 2020 | — | — | 18 | — | — | 18 |
| 2019 | — | — | 18 | — | — | 18 |
| 2018 | — | — | 20 | — | — | 20 |
| 2017 | — | — | 23 | — | — | 23 |
| 2016 | — | — | 15 | — | — | 15 |
| 2015 | — | — | 10 | — | — | 10 |
| 1996 | — | 9,374 | 500 | 10 | — | 9,884 |
| 1995 | — | 1,919 | 500 | 10 | — | 2,429 |
| 1994 | — | 6,450 | 500 | 10 | — | 6,960 |
| 1993 | — | 3,050 | 500 | 10 | — | 3,560 |
| 1992 | 12,450 | — | 500 | 10 | — | 12,960 |
| 1991 | 2,693 | — | 4 | 2 | — | 2,699 |
| 1990 | 3,350 | — | 500 | 750 | — | 4,600 |
| 1989 | 1,056 | — | 1,500 | 750 | — | 3,306 |
| 1988 | 1,900 | — | — | — | 750 | 2,650 |
| 1987 | — | — | — | — | 750 | 750 |
▎ 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.