Pathogen testing of purified water

Sir which organisms has to be tested for purified water, E-Coli, St.aureus, Sal.typhi, Ps. aeroginosa . Are these organisms only to be tested or any other additional bacteria?

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S. aureus, P.aeruginosa, S.typhi nor S.entrica, E.coli, C.albicans these organisms must be a involved in test.

thanks… but as in IP clostridia and shigella too are included… so are these two organisms too be included, and if excluded what reason can be given for non- sterile API

Refer schedule M which states E. coli, Salmonella app., Ps. aeruginosa and S. aureus should be absent per 100 ml

the pathogenic test in purified water is E.Coli … P. aeruginosa …