Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MICROCHIP TECHNOLOGY INC
2355 W CHANDLER BLVD, CHANDLER, AZ, 85224
Parent company: NA
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 | Acetone | Methanol | Hydrogen fluoride | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Phosphoric acid | Total |
|---|---|---|---|---|---|---|
| 2001 | — | — | 566 | — | — | 566 |
| 2000 | — | — | 878 | — | — | 878 |
| 1999 | — | — | 250 | — | — | 250 |
| 1998 | — | — | 750 | — | 250 | 1,750 |
| 1997 | — | — | 750 | — | 20 | 773 |
| 1996 | — | — | 250 | — | 17 | 272 |
| 1995 | — | — | 250 | — | 250 | 500 |
| 1994 | — | — | 250 | 500 | 10 | 760 |
| 1993 | — | — | 250 | 500 | — | 1,015 |
| 1992 | — | — | 250 | 500 | 250 | 1,510 |
| 1991 | 3,289 | 4,385 | 250 | 150 | 38 | 8,745 |
| 1990 | 9,213 | 4,617 | 255 | 130 | 255 | 14,980 |
| 1989 | 1,531 | 5,377 | 250 | 121 | 250 | 7,789 |
| 1988 | 14,249 | 2,937 | — | 108 | 250 | 18,294 |
| 1987 | — | — | 1,000 | 3,750 | — | 4,750 |