When petroleum fuel hydrocarbons are released to the shallow surface they may partition (or separate) into four phases (physical states):
Lyle G. Bruce, Amoco Corporation,
Ground Water Management Services, 1993
|In order to comprehensively
assess a petroleum fuel hydrocarbon contaminated site, the three-dimensional
subsurface distribution of all four phases must be thoroughly defined through
collection, analyses, and interpretation of data from vapor, soil, groundwater,
and product media.
©2002 Exploration Technologies, Inc.