Turbidity Standard, > 1 NTU
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NTU-10-125
10.0 NTU primary non-ratio turbidity standard
NTU-20-125
20.0 NTU primary non-ratio turbidity standard
NTU-40-125
40.0 NTU primary non-ratio turbidity standard
NTU-4-125
4.0 NTU primary non-ratio turbidity standard
NTU-10-250
10.0 NTU primary non-ratio turbidity standard
NTU-20-250
20.0 NTU primary non-ratio turbidity standard
NTU-40-250
40.0 NTU primary non-ratio turbidity standard
NTU-4-250
4.0 NTU primary non-ratio turbidity standard
NTU-10-500
10.0 NTU primary non-ratio turbidity standard