Chemicals for treating industrial and hazardous wastes, namely, biodegradable solid organic materials derived from natural plant fibers and recycled materials containing plant fibers and inorganic nutrients designed to absorb and extract hydrophobic organic contaminants, namely, hydrocarbons, oils, solvents, pesticides and PCBs from soils, sediments, natural waters or from spills, solid, industrial and hazardous wastes and to promote the biodegradation of the contaminants