Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
O-N MINERALS (CHEMSTONE) WINCHESTER LIME PLANT
508 QUARRY LN, CLEAR BROOK, VA, 22624
Parent company: CARMEUSE LIME INC
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 | Lead compounds | Lead | Lead And Lead Compounds | Mercury compounds | Mercury | Total (lbs) |
| 2024 | 196 | — | — | 2 | — | 197 |
| 2023 | — | — | 152 | — | — | 153 |
| 2022 | — | — | 145 | — | — | 145 |
| 2021 | — | — | 2 | — | — | 2 |
| 2020 | — | — | 2 | — | — | 2 |
| 2019 | — | — | 317 | — | — | 317 |
| 2018 | 152 | — | — | — | — | 152 |
| 2017 | 175 | — | — | — | — | 175 |
| 2016 | 2,037 | — | — | — | — | 2,037 |
| 2008 | 81 | — | — | 1 | — | 82 |
| 2007 | 57 | — | — | 1 | — | 59 |
| 2005 | 1,127 | — | — | 12 | — | 1,139 |
| 2004 | 991 | — | — | 10 | — | 1,001 |
| 2003 | — | 1,000 | — | — | 10 | 1,010 |
| 2002 | — | 1,259 | — | — | 0 | 1,260 |
| 2001 | — | 110 | — | — | — | 110 |
▎ 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.