Modeling of natural remediation: Contaminant fate and transport

Methods, systems and apparatus for the metered transport of fine powders into receptacles are provided. According to one exemplary method, the fine powder is first fluidized. At least a portion of the fluidized fine powder is then captured. The captured fine powder is then transferred to a receptacle, with the are provided transferred powder being sufficiently uncompacted so that it may be dispersed upon removal from the receptacle.