Performance Evaluation Program for Protozoan (Giardia and Cryptosporidium) Testing
In mid 2011 the EPA stopped providing
performance evaluation samples required for
continuing LT2 Laboratory approval. The
provision of P.E. samples was taken over by
the Wisconsin State Laboratory of Hygiene.
As was done for the EPA run program, raw drinking water samples are analyzed using a variety of filter types described in Method 1622/1623.
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