Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NYACOL NANOTECHNOLOGIES INC
211 MEGUNKO RD, ASHLAND, MA, 01721
Parent company: NA
PBT
— EPA classifications across all reporting years
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 | Antimony compounds | Ethylene glycol | Antimony And Antimony Compounds | Nitric acid | Lead compounds | Total |
|---|---|---|---|---|---|---|
| 2024 | — | 10 | 207 | 10 | — | 227 |
| 2023 | 121 | 10 | — | 10 | 0 | 141 |
| 2022 | — | 10 | 143 | 10 | — | 163 |
| 2021 | 79 | 10 | — | 10 | 0 | 99 |
| 2020 | — | 10 | 112 | 10 | — | 132 |
| 2019 | — | 10 | 176 | 10 | — | 196 |
| 2018 | — | 10 | 165 | 10 | — | 185 |
| 2017 | 126 | 10 | — | 10 | 0 | 146 |
| 2016 | 115 | 10 | — | 10 | 0 | 135 |
| 2015 | 155 | 10 | — | 10 | 0 | 175 |
| 2014 | 101 | 10 | — | 10 | 0 | 121 |
| 2013 | 127 | 10 | — | 10 | 0 | 147 |
| 2012 | 229 | 10 | — | 10 | 0 | 250 |
| 2011 | 238 | 10 | — | 10 | 0 | 258 |
| 2010 | 267 | 10 | — | 10 | 0 | 287 |
| 2009 | 208 | 10 | — | 10 | 0 | 228 |
| 2008 | 217 | 10 | — | — | 0 | 227 |
| 2007 | 272 | 10 | — | — | 0 | 282 |
| 2006 | 205 | 10 | — | — | 0 | 215 |
| 2005 | 240 | 10 | — | — | 0 | 250 |
| 2004 | 224 | 10 | — | — | 0 | 234 |
| 2003 | 137 | 10 | — | — | 0 | 147 |
| 2002 | 250 | 10 | — | 10 | 0 | 270 |
| 2001 | 250 | 10 | — | — | 0 | 260 |
| 2000 | 250 | 10 | — | — | — | 260 |
| 1999 | 250 | 10 | — | — | — | 260 |
| 1998 | 250 | 255 | — | — | — | 505 |
| 1997 | 250 | 755 | — | — | — | 1,005 |
| 1996 | 250 | 755 | — | — | — | 1,005 |
| 1995 | 250 | 255 | — | — | — | 505 |
| 1994 | 250 | 255 | — | — | — | 505 |
| 1993 | 5 | 755 | — | — | — | 760 |
| 1992 | — | 255 | — | — | — | 255 |