Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Reduction of nitrate (A) and formation of nitrite (B) as a function of time in microcosms with Tundra oil amended with toluene at the indicated time (
). Incubations contained 49 ml of inoculated medium with 80 (
), 40 (×), 20 (
), 10 (
), or 0 (
) mM nitrate and 1 ml of Tundra oil. The oil phase was amended with additional 570, 285, 142, and 71 mM of toluene, respectively. Error bars represent the standard deviations for duplicate measurements.
