Microbiological water testing

Microbiology
1

Thank you for your SOP of water testing. Sir I have 2 uestionsas follow:

  1. in your SOP you have written testing of 4 pathogens. Can you share the reference from where the names are written. As in up no particular organisms are mentioned for water testing. Are these 4 enough?
  2. how you have determined alert and action limits. Any reference for the same available. plz guide us for these topics. Thank you
2

Reference from USP

3

USP 1231(WATER FOR PHARMACEUTICAL PURPOSES) this chapter mention all information