Exam 35: Wastewater Treatment, Water Purification, and Waterborne Microbial Diseases

Not all coliforms are pathogenic.

Which of the following bacterial pathogens is found in both aquatic environments and is commonly present in air conditioning systems?

In the developed countries of the world, most intestinal infections are transmitted via________.

Water disinfection agents such as chlorine can easily inactivate viruses.

Effluent water is wastewater

Aerobic secondary treatment is usually best for ________wastewater.

Secondary treatment may be aerobic or anoxic.

Microbes are involved in which step(s) of wastewater treatment?

Microbes are sometimes used in pretreatment processes to

Vibrio cholerae primarily infects the

Which statement explains the relationship between coagulation and flocculation?

With increased levels of oxidizable materials, the biochemical oxygen demand (BOD) will

Gray water results from _________ , ________, and________ .

The most important potential common source of infectious disease is

Wastewater that has undergone tertiary treatment is recycled and used extensively for promoting microbial monocultures.

The US EPA regulates the concentration of Escherichia coli in public recreational waters as well as private swimming pools, spas, and hot tubs to minimize waterborne disease outbreaks.

Compare and contrast the most probable number (MPN) procedure and the membrane filter (MF) procedure.

Cryptosporidium parvum oocysts are highly resistant to

Legionella pneumophila has an unusually high requirement for

The causative agent of typhoid fever is