Method 1622/1623
The current EPA method for the determination of the identity and concentration of Cryptosporidium and Giardia in water by concentration, immunomagnetic separation (IMS), and immunofluorescence assay (FA) microscopy. Method 1622 is specific to the analysis of Cryptosporidium, Method 1623 covers the analysis of both Cryptosporidium and Giardia, these methods are designed to meet the survey and monitoring requirements of the U.S. Environmental Protection Agency (EPA).