Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HYDRANAUTICS
8270 MIRALANI DR, SAN DIEGO, CA, 92126
Parent company: NITTO DENKO AMERICA
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 | N,N-Dimethylformamide | Acetone | 1,4-Dioxane | Total (lbs) | ||
| 2011 | 284 | — | — | 284 | ||
| 2010 | 358 | — | — | 358 | ||
| 2009 | 548 | — | — | 548 | ||
| 2008 | 565 | — | — | 565 | ||
| 2007 | 744 | — | — | 744 | ||
| 2006 | 460 | — | — | 460 | ||
| 2005 | 270 | — | — | 270 | ||
| 2004 | 564 | — | — | 564 | ||
| 2003 | 347 | — | — | 347 | ||
| 2002 | 441 | — | — | 441 | ||
| 2001 | 3,482 | — | — | 3,482 | ||
| 2000 | 3,233 | — | — | 3,233 | ||
| 1999 | 2,772 | — | — | 2,772 | ||
| 1998 | 1,174 | — | — | 1,174 | ||
| 1997 | 2,268 | — | — | 2,268 | ||
| 1996 | 22 | — | — | 22 | ||
| 1995 | 161 | — | 270 | 431 | ||
| 1994 | — | — | 269 | 269 | ||
| 1993 | — | 3,485 | 30 | 3,515 | ||
| 1992 | — | 568 | 1,907 | 2,475 | ||
| 1991 | — | 363 | 1,216 | 1,579 | ||
| 1989 | — | 4,900 | 86 | 4,986 | ||
▎ 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.