Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MARTEK BIOSCIENCES CORP
555 ROLLING HILLS LN, WINCHESTER, KY, 40391
Parent company: NA
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 | n-Hexane | Cyclohexane | Methanol | Total (lbs) | ||
| 2008 | — | — | 520 | 520 | ||
| 2006 | 192,600 | 9,630 | — | 202,230 | ||
| 2005 | 231,400 | 11,550 | — | 242,950 | ||
| 2004 | 231,700 | 11,600 | — | 243,300 | ||
| 2003 | 161,800 | 8,100 | — | 169,900 | ||
| 2002 | 407,600 | 18,962 | — | 426,562 | ||
| 1999 | 97,043 | — | — | 97,043 | ||
| 1998 | 122,938 | — | — | 122,938 | ||
▎ 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.