Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
PURETHANE INC
ONE PURETHANE PL, WEST BRANCH, IA, 52358
Parent company: NA
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 | Dichloromethane | Toluene | Methanol | Certain glycol ethers | Methyl ethyl ketone | Total |
|---|---|---|---|---|---|---|
| 2000 | 61,534 | 35,195 | 8,844 | — | 37,160 | 203,024 |
| 1999 | 33,239 | 31,707 | 4,012 | — | 35,105 | 104,066 |
| 1998 | 18,968 | 23,031 | 4,061 | — | — | 47,677 |
| 1997 | 48,120 | 53,340 | 11,600 | 14,260 | — | 139,143 |
| 1996 | 68,400 | 69,760 | 20,080 | 15,641 | — | 212,837 |
| 1995 | 135,668 | 97,273 | 34,526 | 56,475 | — | 323,992 |
| 1994 | 173,680 | 71,797 | 26,930 | 28,786 | — | 301,453 |
| 1993 | 157,613 | 51,200 | 22,900 | 11,200 | 4,340 | 247,263 |
| 1992 | 66,300 | 35,000 | 10,940 | — | 13,500 | 127,850 |
| 1991 | 99,100 | 40,100 | 15,270 | — | — | 169,530 |
| 1990 | 58,877 | 43,649 | 13,616 | 16,613 | — | 134,693 |
| 1989 | 50,453 | 51,275 | 11,960 | 12,151 | — | 131,169 |
| 1988 | — | 61,525 | 13,500 | — | — | 75,025 |
| 1987 | — | — | — | — | — | 4,770 |