Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HESS SERVICES INC-NORTH YARD
1789 230TH AVE, HAYS, KS, 67601
Parent company: NA
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 | Styrene | Xylene (mixed isomers) | Total (lbs) | |||
| 2024 | 10,471 | — | 10,471 | |||
| 2023 | 17,022 | — | 17,022 | |||
| 2022 | 11,871 | — | 11,871 | |||
| 2021 | 18,481 | — | 18,481 | |||
| 2020 | 9,971 | — | 9,971 | |||
| 2019 | 10,256 | — | 10,256 | |||
| 2018 | 21,750 | — | 21,750 | |||
| 2017 | 2,560 | — | 2,560 | |||
| 2016 | 68,940 | — | 68,940 | |||
| 2015 | 98,000 | — | 98,000 | |||
| 2014 | 67,240 | 2,671 | 69,911 | |||
| 2013 | 91,400 | 2,800 | 94,200 | |||
| 2012 | 24,536 | 30,771 | 55,307 | |||
▎ 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.