Drinking Water MICROBIOLOGY - Otterbourne laboratory
| Method Code | Method Description |
| W1 | Enumeration of hetertrophic bacteria by pour plate |
| W7 | Isolation, enumeration and confirmation of Enterococci – membrane filtration technique |
| W8 | Clostridium perfringens – membrane filtration technique. |
| W9 | Pseudomonas spp – membrane filtration technique. |
| W10 | Total coliforms and Escherichia coli – single membrane filtration technique. |
| W11 | Pseudomonas Aeruginosa – membrane filtration technique. |
| W37 | Procedure for Swab Samples |
