Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PETROLITE CORP MIDLAND BLEND PLANT
I-20 AT W TERMINAL EXIT, MIDLAND, TX, 79701
Parent company: PETROLITE CORP
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 | Methanol | 1,2,4-Trimethylbenzene | Xylene (mixed isomers) | Toluene | Cumene | Total (lbs) |
| 1993 | 1,700 | 830 | 189 | 1,150 | 140 | 4,012 |
| 1992 | 3,300 | 2,000 | 490 | 670 | 270 | 6,739 |
| 1991 | 5,310 | 6,320 | 4,930 | 1,080 | 442 | 19,280 |
| 1990 | 4,630 | 6,100 | 5,040 | 1,190 | 430 | 18,373 |
| 1989 | 4,770 | 6,100 | 4,060 | 1,182 | 430 | 17,303 |
| 1988 | — | 141 | — | 480 | 43 | 664 |
| 1987 | 1,950 | — | — | — | 500 | 2,450 |
▎ 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.