Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SUMMAGRAPHICS CORP, HOUSTON INSTRUMENT DIV
8500 CAMERON RD, AUSTIN, TX, 787543999
Parent company: SUMMAGRAPHICS CORP
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 | 4,4'-Methylenedi(phenyl isocyanate) | Total |
|---|---|---|
| 1994 | 5 | 5 |
| 1993 | 5 | 5 |
| 1992 | 5 | 5 |
| 1991 | 5 | 5 |
| 1990 | 5 | 5 |
| 1989 | 250 | 250 |
| 1988 | 250 | 250 |