The online results page is designed for laboratories participating in the MDN interlaboratory comparison program. Public access to interlaboratory results is available on the interlaboratory comparison program homepage.

Please choose your laboratory and log in ALET - Environment Canada - Atlantic Laboratory of Environmental Testing ACZ Laboratories FGS - Frontier Geosciences, Inc. FRL - Flett Research Ltd. IVL - Swedish Environmental Research Institute Laboratory NLS - Northern Lake Service, Inc. NSA - North Shore Analytical, Inc. VITO - Flemish Institute for Technological Research WML - U.S. Geological Survey, Wisconsin Mercury Laboratory