(Grab Sampling)
Sampling time A single point in a certain time and then analyze the results, it can show the properties of water at that point.
Sampling is to be made aware of the properties of water at each point that is like. Concentration level Should be combined with wastewater from other points. Before treatment, or whether to separate treatment appropriate and specific parts are cheaper. Keeping in mind the amount and concentration of the wastewater to a point. Clearly