Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SIMONS PETROLEUM INC - OKC BULK PLANT
619 NORTH MORGAN ROAD, OKLAHOMA CITY, OK, 73127
Parent company: MAXUM ENTERPRISES LLC
Carcinogen
PBT
— 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 | Toluene | Xylene (mixed isomers) | Methyl tert-butyl ether | Lead compounds | Total (lbs) |
| 2020 | 1,242 | — | — | — | — | 1,242 |
| 2019 | 1,354 | — | — | — | — | 1,355 |
| 2018 | 1,475 | — | — | — | — | 1,476 |
| 2017 | 2,884 | — | — | — | — | 2,885 |
| 2016 | 1,531 | — | — | — | — | 1,531 |
| 2015 | — | 275 | 155 | — | — | 430 |
| 2014 | — | 505 | 250 | — | 2 | 757 |
| 2013 | — | 505 | 250 | — | 2 | 757 |
| 2012 | 402 | 588 | 506 | — | — | 1,497 |
| 2011 | 552 | 875 | 744 | 669 | — | 2,841 |
| 2010 | 683 | 937 | 781 | 718 | — | 3,119 |
▎ 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.