Escherichia coli is regularly used as a fecal indicator bacteria (FIB) in recreational waters but its persistence in the environment brings its use into doubt. A secondary FIB known as Bacteroides has been under a lot of ...

The processes used to produce manufactured gas for heating, cooking and lighting purposes in North America from the early 1800s to the mid-1900s have generated by- products such as coal tar containing Monocyclic ...