This standard specifies the enzyme substrate method for the determination of total coliforms, fecal coliforms and Escherichia coli in water. This standard is applicable to the determination of total coliforms, fecal coliforms and Escherichia coli in surface water, groundwater, domestic sewage and industrial wastewater. The detection limit of this method is 10 MPN/L.
HJ 1001-2018 history
2018HJ 1001-2018 Water quality—Determination of total coliforms, fecal coliforms and Escherichia coli—Enzyme substrate method