Industrial Hygiene involves the recognition, evaluation and control of environmental hazards that can be inhaled, ingested or absorbed through the skin. Many of the common environmental hazards include mold, lead, asbestos, radon and chemical exposures such as solvents or heavy metals. Most of these hazards cannot be detected by sight or smell...

Many public sewer systems serve hundreds of thousands of homes, businesses, and institutions and typically have thousands of miles of sewer pipe. The majority of our sewer systems in the US are gravity fed, however lift and pump stations are common in parts of most large systems...