Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TETRA MICRONUTRIENTS INC
475 COUNTY RD 128A, CHEYENNE, WY, 82007
Parent company: TETRA TECHS INC
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 | Lead compounds | Zinc compounds | Zinc (fume or dust) | Total (lbs) | ||
| 2000 | 250 | 250 | — | 500 | ||
| 1999 | 250 | 250 | — | 500 | ||
| 1998 | 250 | 250 | — | 500 | ||
| 1997 | — | — | 250 | 250 | ||
| 1996 | — | — | 250 | 250 | ||
▎ 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.