Silva Ecosystems Consultants Ltd.; Slocan Valley Watershed Alliance; V.A. Berlow; Paula Snow; Silver Valley Trout Farm; Appledare Daycare Society; Slocan Valley Wildlife Association; Regional Recreation Commission (No. 8); Winlaw Home and School Association; Larry Avis; Mount Sentinel Student Body; Corporation of the Village of Slocan; Mount Sentinel Secondary School; Regional District of Central Kootenay; Brotherhood of Maintenance and Way Employees; Brotherhood of Locomotive Engineers Local 579; United Transportation Union Local 797; Brotherhood of Railway, Airline Clerks Local 1291; Rural Alternative Research Training Society v. Administrator, Pesticide Control Act