Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MERCK SHARP & DOHME LLC
2778 SE SIDE HWY, ELKTON, VA, 22827
Parent company: MERCK & CO INC
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 | Xylene (mixed isomers) | Methanol | Chloromethane | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Acetone | Total (lbs) |
| 2024 | — | 2,585 | — | — | — | 16,000 |
| 2023 | — | 3,350 | — | — | — | 3,350 |
| 2022 | — | 5,689 | — | — | — | 7,956 |
| 2021 | — | 5,723 | — | — | — | 7,014 |
| 2020 | — | 5,182 | — | — | — | 7,532 |
| 2019 | — | 7,688 | — | — | — | 10,849 |
| 2018 | — | 10,849 | — | — | — | 19,827 |
| 2017 | — | 11,490 | — | — | — | 17,990 |
| 2016 | — | 10,401 | — | — | — | 16,771 |
| 2015 | — | 11,460 | — | 1,510 | — | 100,181 |
| 2014 | — | 12,210 | 1,730 | 3,250 | — | 41,192 |
| 2013 | — | 10,941 | — | 2,950 | — | 28,036 |
| 2012 | — | 11,775 | 2,250 | 4,270 | — | 63,378 |
| 2011 | — | 12,650 | 2,290 | 4,370 | — | 34,857 |
| 2010 | — | 10,560 | 2,740 | 4,630 | — | 44,647 |
| 2009 | — | 11,700 | 4,130 | 5,880 | — | 110,949 |
| 2008 | — | 9,730 | 4,070 | 3,510 | — | 317,873 |
| 2007 | — | 8,300 | 3,860 | 4,160 | — | 413,662 |
| 2006 | — | 8,860 | 3,780 | 3,410 | — | 167,742 |
| 2005 | — | 8,590 | 3,220 | 3,090 | — | 36,932 |
| 2004 | — | 8,100 | 3,410 | 3,670 | — | 35,938 |
| 2003 | — | 13,430 | 27,280 | 2,790 | — | 58,292 |
| 2002 | — | 16,300 | 31,250 | 5,960 | — | 72,347 |
| 2001 | — | 27,760 | 24,250 | 1,420 | — | 68,418 |
| 2000 | — | 16,600 | 28,564 | 51,410 | — | 109,102 |
| 1999 | — | 48,670 | 30,431 | 111,020 | — | 202,602 |
| 1998 | — | 44,290 | 30,930 | 112,670 | — | 199,091 |
| 1997 | — | 39,480 | 8,515 | 116,840 | — | 178,506 |
| 1996 | — | 20,420 | 8,970 | 121,240 | — | 164,311 |
| 1995 | — | 24,530 | 15,860 | 118,490 | — | 383,531 |
| 1994 | 351,910 | 157,420 | 200,260 | 163,600 | — | 1,065,170 |
| 1993 | 488,620 | 143,360 | 182,300 | 170,150 | 301,750 | 1,507,370 |
| 1992 | 365,920 | 177,120 | 263,470 | 185,000 | 296,740 | 1,499,047 |
| 1991 | 284,770 | 158,200 | 228,910 | 181,200 | 394,260 | 1,407,407 |
| 1990 | 243,070 | 159,750 | 236,400 | 188,120 | 345,540 | 1,335,757 |
| 1989 | 327,000 | 396,160 | 263,000 | 166,390 | 339,200 | 1,684,086 |
| 1988 | 335,020 | 350,070 | — | 191,560 | — | 1,065,391 |
| 1987 | 474,600 | 154,930 | 338,530 | — | — | 1,091,662 |
▎ 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.