GO GREEN BUILDING

The dangers of sewage backup are better understood once you learn what it is. You may also sometimes hear it referred to as raw sewage, sewage sludge, or septic tank waste.
Raw sewage is mainly black or gray water and often consists of organic waste and wastewater produced by household and industrial sources. Sewage usually contains [...]

Materials that are extremely hazardous to property, health or the environment (highly toxic gas, explosive, highly water reactive, and pyrophoric materials for example) must not be procured until the necessary permits, administrative, engineering and environmental controls are in place.
Hazardous materials must be stored and used in accordance with numerous regulations including, but not limited to, [...]