Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NORTHWEST PIPE CO
10100 W LINNE RD, TRACY, CA, 95377
Parent company: NORTHWEST PIPE CO
Carcinogen
— 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 | 1,1,1-Trichloroethane | Xylene (mixed isomers) | Manganese | Nickel | Total |
|---|---|---|---|---|---|
| 2019 | — | — | 15 | — | 15 |
| 2018 | — | — | 18 | — | 18 |
| 2017 | — | — | 299 | — | 299 |
| 2016 | — | — | 206 | — | 206 |
| 2015 | — | — | 229 | — | 229 |
| 2014 | — | — | 249 | — | 249 |
| 2013 | — | — | 309 | — | 309 |
| 2012 | — | — | 377 | — | 377 |
| 2011 | — | — | 351 | — | 351 |
| 2010 | — | — | 430 | — | 430 |
| 2009 | — | — | 291 | — | 291 |
| 2008 | — | — | 239 | — | 239 |
| 2007 | — | — | 324 | — | 324 |
| 2006 | — | — | 243 | — | 243 |
| 2005 | — | — | 145 | 64 | 209 |
| 2003 | — | — | 589 | 461 | 1,050 |
| 2001 | — | — | 11 | 5 | 16 |
| 1995 | 24,100 | 12,000 | — | — | 36,100 |
| 1994 | 35,200 | — | — | — | 35,200 |
| 1993 | 19,000 | — | — | — | 19,000 |
| 1992 | 20,300 | — | — | — | 20,300 |