Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
LAFARGE FREDERICK READY MIX
1000 E SOUTH STREET, FREDERICK, MD, 21701
Parent company: AGGREGATE INDUSTRIES MANAGEMENT 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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Lead compounds | Lead And Lead Compounds | Manganese compounds | Mercury compounds | Total (lbs) |
| 2021 | 570 | 0 | — | — | 1 | 571 |
| 2020 | — | 0 | — | — | — | 0 |
| 2019 | — | — | 0 | — | — | 0 |
| 2018 | — | — | 7 | — | — | 7 |
| 2016 | — | 43 | — | — | — | 43 |
| 2012 | — | 0 | — | 5 | — | 5 |
| 2011 | — | — | — | — | — | 0 |
| 2010 | — | — | — | — | — | 0 |
| 2009 | — | — | — | — | — | 0 |
| 2008 | — | — | — | — | — | 0 |
| 2007 | — | — | — | — | — | 0 |
| 2005 | 31,740 | — | — | — | — | 31,740 |
| 2004 | 31,740 | — | — | — | — | 31,740 |
▎ 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.