1 “... nature. It is a major component of some industrial gas mixtures and may be derived from coal...”

2 “... have been able to draw upon the experiences of those at the "coal face" of deep-sea sampling, expanding...”

3 Table of Contents: “... of agricultural waste to chemical production via solid-state fermentation -- Bioleaching from coal wastes...”

4 Table of Contents: “... sustainable microbial technology for coal beneficiation -- Effect of pollution on aquatic microbial diversity...”

5 “... to the environments under investigation, which include: oil reservoirs, fracking fluids, aquifers, coal beds, oil...”