Water Technology (3rd edition)
Existing and New Links
5. Micro-organisms and Pollution Control

Existing links:

American Standard Methods
The Standard Methods for the Examination of Water and Wastewater is a joint publication of the American Public Health Association,
the American Water Works Association, and the Water Environment Federation.  It is the most widely used reference work for all
chemical, physical, microbiological and biological analysis.  This site gives you an overview of current methods, although a
subscription is required for access to detailed methods.

International Organization for Standardization
The ISO is a network of national standards institutes of 159 countries that produces standard methods.  The site gives details of the
most up to date methods for all water and wastewater analyses, although full methods are only downloadable via a subscription or
payment per method.

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