Aww - Samenvattingen, Notities en Examens

A watercourse that flows continuously at all times of the year is known as what? - Perennial stream What is defined as 'the killing or inactivation of pathogenic organisms in water'? - Disinfection Free chlorine residual values are based on a contact time of how long? - 10 mins What time of day does algae cause the pH of the water decrease? - Night time What contributes to the creation of algae blooms? - Increased nutrients What is found mainly in groundwater sources and forms a precipit...

AWWA WSO Water Treatment Grades 3&4

AWWA, ADEM Grade 4 Operator

Which agency sets legal limits on the concentration levels of harmful contaminants in potable water distributed to customers? - US Environmental Protection Agency The number of monthly distributions system bacteriologiacal samples required is - Based on the population served What is the maximum contaminant level for total trihalomethanes (TTHM) in the united States? - 0.080 mg/L Under the Surface Water Treatment Rule, disinfection residuals must be collected at the same location in the di...

Which agency sets legal limits on the concentration levels of harmful contaminants in potable water distributed to customers? - US Environmental Protection Agency The number of monthly distributions system bacteriologiacal samples required is - Based on the population served What is the maximum contaminant level for total trihalomethanes (TTHM) in the united States? - 0.080 mg/L Under the Surface Water Treatment Rule, disinfection residuals must be collected at the same location in the di...

AWWA Certification Exam Prep Questions and Answers ...

A continuously flowing watercourse - correct answer Perennial Stream Algae causes PH to ....... at night - correct answer Decrease What contributes to creation of algae blooms - correct answer Increased nutrients Iron is found mostly in what sources of water - correct answer Groundwater Also called the rule of reasonable sharing - correct answer Riparian Doctrine Water high in salinity and warm is - correct answer Low in dissolved oxygen Reservoir turnover - correc...

AWWA ABC Water Distribution Grades 1 & 2

AWWA ABC Water Distribution Grades 1 & 2 Questions And Answers 100% Verified. Which agency sets legal limits on the concentration levels of harmful contaminants in potable water distributed to customers? - correct answer. US Environmental Protection Agency The number of monthly distributions system bacteriologiacal samples required is - correct answer. Based on the population served What is the maximum contaminant level for total trihalomethanes (TTHM) in the united Stat...

AWWA Lab Analyst 1