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.   Please click below  for our latest Performance Evaluation results.

EPA Method 1623

P.E Sample Results: EPA Method 1623

P.E Sample Results: EPA Method 1623.1


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