- Problem 2 Objective Understanding Biological Water Quality Parameters Definition Analysis Understanding All Require 1 (144.21 KiB) Viewed 22 times
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Problem 2: [Objective: Understanding biological water quality parameters definition/analysis] [Understanding all requirements for compliance aside from Coliforms/100ml] A small community with the population of 25,200 is seeking your services as a consulting environmental engineer. They have tested their drinking water supply for coliform organisms by the fermentation tube method (five 10 ml portions per sample). They have come up with the following tabulated results for their April 2022 samples: No. of Samples 1 1 WON No. of + portions 5 4 3 2 1 0 No. of - portions 0 1 2 3 4 5 3 24 amin a) Calculate the monthly average MPN. b) Did the city comply with EPA regulations for sample frequency? c) Did the samples tested comply with the regulations? d) What would be considered a non-compliance? Explain in few sentences.