Selective and differential medium for the detection and enumeration of coliform bacteria and E. coli according to Pollard; modified acc. to Chapman. Dehydrated culture medium for cultivating microorganisms in raw materials, water (general quality), waste water, beverages, foods and other products. Cat. number NPS34-50 for a pack of 50 pcs and NPS34-100 for a pack of 100 pcs.