Awwa Study guides, Class notes & Summaries

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

AWWA ABC Water Distribution Grades 1 & 2 Questions and Answers with Certified Solutions 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 Tre...

AWWA Lab Analyst 1

Adaptive plants - Answer-Non-indigenous plants that easily adapt to the climate and thus require little or no supplemental irrigation once established. Adjusted water budget - Answer-an amount of water used to maintain a landscape that is based on area and evapotranspiration rate. American National Standards Institute (ANSI) - Answer-an association involved in developing standards for a wide range of products including plumbing fixtures. American Society of Mechanical Engineers (ASME) - An...

Backflow Prevention and Cross Connection Control Questions and Answers ABPA and AWWA Certification Test

Which disinfectant would work best against cryptosporidium? - Ozone The pH of a water sample is greater that the pHs so the Langlier index? - Indicates the water is scale forming. When water high in calcium bicarbonate is softened by ion exchange - Sodium bicarbonate remains in the product water. Lime softening can effectively disinfect water because: - The pH level is higher than 10.5 A noncarbonate hardness compound is - MgSO4 What term refers to the reintroduction of carbon dioxide int...

Water Treatment Grade 1 AWWA

Which disinfectant would work best against cryptosporidium? - Answer-Ozone The pH of a water sample is greater that the pHs so the Langlier index? - Answer-Indicates the water is scale forming. When water high in calcium bicarbonate is softened by ion exchange - Answer-Sodium bicarbonate remains in the product water. Lime softening can effectively disinfect water because: - Answer-The pH level is higher than 10.5 A noncarbonate hardness compound is - Answer-MgSO4 What term refers to the r...

AWWA Certification Exam Prep Questions and Answers ...

Which disinfectant would work best against cryptosporidium? - ️️Ozone The pH of a water sample is greater that the pHs so the Langlier index? - ️️Indicates the water is scale forming. When water high in calcium bicarbonate is softened by ion exchange - ️️Sodium bicarbonate remains in the product water. Lime softening can effectively disinfect water because: - ️️The pH level is higher than 10.5 A noncarbonate hardness compound is - ️️MgSO4 What term refers to th...