Water Operator Certification - Rules & Regulations - Basic Water Treatment 2023

Question 1 ... What would an operator need to do if the results of a routine bacteriological sample indicated "coliform positive"? What would the lab need to do? ... Who has the primary responsibility for taking routine bacteriological samples of the drinking water system? ... What determines how many bacteriological samples must be collected by a system? ... What does MCL mean, and what are the MCLs for turbidity, TTHM's, HAA's, coliform bacteria, and fluoride? ... Where should bacteriological samples be collected from and on what frequency? ... What type of respiratory protection should be used when working with chlorine? Where should it be stored? What routine maintenance should be performed on it? ... What is turbidity? What is it measured in? Where should it be monitored for in a water treatment plant? ...