Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DYNA DRILL TECHNOLOGIES LLC
23400 COLONIAL PKWY, KATY, TX, 77493
Parent company: SCHLUMBERGER HOLDINGS 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 | Toluene | Methyl isobutyl ketone | Zinc compounds | Copper | Nickel | Total (lbs) |
| 2024 | — | — | 19 | 3 | 1 | 23 |
| 2023 | — | — | 20 | 2 | — | 24 |
| 2022 | — | — | 22 | 2 | — | 26 |
| 2021 | — | — | 32 | 2 | 1 | 35 |
| 2020 | — | — | 16 | — | — | 16 |
| 2019 | — | — | 16 | 3 | — | 19 |
| 2018 | — | 10,513 | 193 | 22 | 5 | 10,739 |
| 2017 | — | — | 91 | 6 | 4 | 105 |
| 2016 | — | — | 190 | 24 | 5 | 224 |
| 2015 | 9,779 | — | 219 | 22 | 15 | 10,047 |
| 2014 | 16,280 | — | 140 | 12 | 10 | 16,450 |
| 2013 | — | — | — | 6 | 15 | 31 |
▎ 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.