Total coliform bacteria are commonly found in the environment and are generally harmless while fecal coliform bacteria are a sub-group of total coliform bacteria. The presence of fecal coliform in a drinking water sample often indicates recent fecal contamination, meaning that there is a greater risk that pathogens are present than if only total coliform bacteria is detected. The presence of fecal contamination in aquatic environments is an indicator that a potential health risk exists for individuals exposed to this water. Multiple tube fermentation technique is often used for the determination of total and fecal coliforms.
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NASAT Labs (Nanotech Analytical Services And Training Corp.) is the first independent nanotechnology laboratory in the Philippines. We provide failure analysis, material characterization, water testing, environmental testing, and technical trainings to the semiconductor, electronics and allied industries.