HI 93124-03

Turbidity, USEPA 180.1 Method
Calibration set @ 0.00, 2.50, 125 EBC (30 mL)
The HANNA® turbidity calibration solutions are produced according to the AMCO AEPA-1 standards, at 0, 10, 20 and 500 FTU.
They are preferred to the formazine based standards, as they are non-toxic, stable, reusable and long-lasting.