Fluid
Fluidmaterial or substance which moves or flows whether in a semisolid, liquid, sludge, gas or any other form or state.
Source
40 CFR § 147.2902
Scoping language
Most of the following terms are defined in 144.3, and have simply been reproduced here for the convenience of the reader. This section also includes definitions of some terms unique to the Osage program. Terms used in this subpart are defined as follows: