Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
VALVOLINE CO
2308 N CLARK AVE, PORTLAND, OR, 97212
Parent company: ASHLAND INC
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 | Zinc compounds | Total |
|---|---|---|
| 1997 | 1 | 1 |
| 1995 | 10 | 10 |
| 1994 | 10 | 10 |
| 1993 | 10 | 10 |
| 1992 | 10 | 10 |
| 1991 | 10 | 10 |
| 1990 | 10 | 10 |
| 1989 | 500 | 500 |