No Acreditado SMEWW-APHA-AWWA-WEF Part 9221-A,B,C,E,G2; 23rd Ed. 2017. Multiple-Tube Fermentation Technique for Members of the Coliform Group. Standard Total Coliform Fermentation Technique. Estimation of Bacterial Density. Fecal Coliform Procedure. Other Escherichia coli Procedures (PROPOSED)
