38573d6e_International_Joint_Commission__Delisting_Guideline
[BUI] RESTRICTIONS ON FISH AND WILDLIFE CONSUMPTION [Listing Guideline] When contaminant levels in fish or wildlife populations exceed current standards, objectives or guidelines, or public health advisories are in effect for human consumption of fish or wildlife. Contaminant levels in fish and wildlife must be due to contaminant input from the watershed. [Delisting Guideline] 
When contaminant levels in fish and wildlife populations do not exceed current standards, objectives or guidelines, and no public health advisories are in effect for human consumption of fish or wildlife. Contaminant levels in fish and wildlife must not be due to contaminant input from the watershed.
International Joint Commission
Delisting Guideline