Considering the excerpt presented, referring to the operational control parameters for water treatment and indicators, analyze the following statem...

Considering the excerpt presented, referring to the operational control parameters for water treatment and indicators, analyze the following statements:

I- To operationalize the water treatment process, indicators can be used as a representation of the parameters of interest.
II- The indicators selected in the water treatment process will only have acceptable reliability over time.
III- The use of indicators exempts the performance of analyzes related to all stipulated parameters in environmental legislation and minimum periodicity.
IV- From the perspective of operational needs, it is possible to verify all parameters with hourly periodicity, being well distributed throughout the day.
a) I, II, III and IV are correct.
b) Only I and II are correct.
c) Only III and IV are correct.
d) Only I and III are correct.
e) Only II is correct.