Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
H & H PUMP & DREDGE CO
520 HWY 322, CLARKSDALE, MS, 38614
Parent company: NA
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Xylene (mixed isomers) | Total |
|---|---|---|
| 1992 | 1 | 1 |