Ohio Water Microbiology Lab
Research Topics
Internal Information
Ohio Water Science Center
USGS In Your State
USGS Water Science Centers are located in each state.
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OWML: QA/QC
Quality Assurance/Quality Control Manual: Ohio Water Microbiology
Laboratory
Cryptosporidium and Giardia
USEPA method 1623 (USEPA, 2005) is the USEPA-recommended method for detection of
Cryptosporidium oocysts and Giardia cysts in water. Method 1623 includes
filtration, immunomagnetic separation, staining with fluorescent antibody, and
microscopic evaluation. The OWML has the capability to complete all steps in the
method including sample processing (filtration and concentration),
immunomagnetic separation, and microscopy.
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U.S. Department of the Interior | U.S. Geological Survey
