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...e was run out onto drying beds or sprayed onto fields as fertilizer. Dried sludge was put into paper sacks for sale and was or still is a very good natural f

...al waste|municipal]] and [[hazardous waste]], [[crematoria]], and [[sewage sludge]] incineration. This is a significant underestimate due to limited informat

...lose represents an appreciable fraction of the waste products that make up sewage and refuse. It is fortunate that it does decompose readily. Fermentation of ...nd its copolymers has been studied in environments such as soil, activated sludge and sea water.

...off), the inside of a fluid storage tank, a septic tank that has contained sewage, and a small underground electrical vault are all examples of confined spac ...imately 0.7m x 2m x 2m. The partner apparently had decided to empty and de-sludge the tank while working alone. He entered the tank without breathing apparat

...ted conditions have been isolated from soils, lakes, wastewater, activated sludge and compost.