T/GXAS 523-2023 Sludge determination of fecal coliform group Enzyme-substrate method
T/GXAS 523-2023 Sludge determination of fecal coliform group Enzyme-substrate method
Basic Information
Scope
Scope: This document describes the method of determining fecal coliforms in sludge using the enzyme substrate method. This document is applicable to the determination of fecal coliforms in sludge from urban wastewater treatment plants, sludge excavated from drainage pipes, and sludge-derived products. The determination of fecal coliforms in soil and sediments can be referred to this method. The detection limit of this method is 10 MPN/g. Main technical content: This document describes the method of determining fecal coliforms in sludge using the enzyme substrate method. This document is applicable to the determination of fecal coliforms in sludge from urban wastewater treatment plants, sludge excavated from drainage pipes, and sludge-derived products. The determination of fecal coliforms in soil and sediments can be referred to this method. The detection limit of this method is 10 MPN/g.