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Thus far, filter performance has been tested using 5 NTU water. A variety of influent turbidities must be tested to determine the range the filter performs under EPA standards of 0.3 produces effluent turbidities of less than 1 NTU.
...
Thus far, filter performance has been tested using 5 NTU water. A variety of influent turbidities must be tested to determine the range the filter performs under EPA standards of 0.3 produces effluent turbidities of less than 1 NTU.