Disinfection of Mains 2

What mg/L is a state requirement for Chlorination in the Water Distribution System?

• .10mg/L

• .20mg/L

• .30mg/L

• .40mg/L

What is not a method of Chlorination?

• Tablet Method

• Slug Method

• Pour Method

• Swab Method

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What kind of method is suitable for large diameter mains?

• Tablet Method

• Continuous Feed Method

• Swab Method

• Slug Method

Who Collects Samples for the Bacteriological Testing Process?

• Environmental Protection Agency

• Office of Emergency Services

• Department of Transportation

• Occupational Safety and Health Administration

After the mains are chlorinated and chlorine residual is met, two consecutive samples are pulled 24 hours apart (True or False)

• True

• False

• Maybe

• Who Knows?

Tags

NGSS.HS-ESS2-5