Maximum contaminant level - 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...

PUBH 6011 Unit 8 Exam Questions with Correct Answers describe the major features of the clean water act (eg NPDES) and the safe drinking water act (eg MCL, MCLG) - Answer-MCLG- maximum contaminant level goal- level at which there would be no adverse effect. Does not take into account cost of technical feasibility. MCL- maximum contaminant level - can be adverse effects, takes cost etc into account NPDES - national pollutant discharge elimination system, permitting system under CWA for nu...

AWWA ABC Water Distribution Grades 1 Questions and Answers 100% Solved 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, dis...

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...

____ and/or _________ in a water supply can discolor laundry, cause a bad taste in the water, and cause taste problems in beverages such as coffee and tea. (Ans- Iron and/or Manganese Water systems that collect less than _____ coliform samples each month can have 1 positive sample and remain in compliance. (Ans- 40 The maximum contaminant level for bromate is _____ mg/L. (Ans- 0.010 mg/L Water systems must provide at least _____ removal or inactivation of Giardia lamblia cysts bet...

What is the federal law that protects public water supplies from harmful contaminants? SDWA Safe Drinking Water Act MCL stands for Maximum Contaminant Level True or False? Primary regulations are mandatory TRUE Secondary regulations are about what 3 things? Taste Odor Color of water True or False? Secondary regulations are mandatory FALSE

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...

What is the federal law that protects public water supplies from harmful contaminants? - ANSWER SDWA Safe Drinking Water Act MCL stands for - ANSWER Maximum Contaminant Level True or False? Primary regulations are mandatory - ANSWER TRUE Secondary regulations are about what 3 things? - ANSWER Taste Odor Color of water True or False? Secondary regulations are mandatory - ANSWER FALSE What is the minimum pressure that must be maintained at all times in a distribution system?...

Water Distribution 1 certification state exam questions and answers Graded-A Potable water may be defined as: a. Any water that occasionally may be polluted from another source b. Any water that, according to recognized standards, is safe for consumption c. Water high in organic content d. Water that has been transported from outside the service area - CORRECT ANSWER-b). Any water that according to recognized standard is safe for human consumption. To prevent the entry of surface con...

To prevent the entry of surface contamination into a well is the purpose of: a. The well casing b. The louvers or slots c. Well development d. The sanitary seal - ANSWER-d) The Sanitary Seal Pure water will exhibit a pH value of? a. 0.0 b. 7.0 c. 10.5 d. 14.0 - ANSWER-b) 7.0 A pH reading of 6.0 units indicates that the water sample is: a. Very acidic b. Slightly alkaline c. Very alkaline d. Slightly acidic - ANSWER-d) Slightly Acidic In drinking water quality, "TDS" ...