Tech Fileany biodegradable plastic should be ‘‘capable of undergoing and the Navy for purposes of navigation and operational risk decomposition into carbon dioxide, methane, water, inorganic reduction. More than 1,500 of these drifters were recently de-compounds or biomass in which the predominant mechanism ployed in two large scale experiments (named LASER and is the enzymatic action of microorganisms, that can be mea- SPLASH) conducted by CARTHE to study the upper ocean sured by standard tests in a speci