38573d6e_International_Joint_Commission__Delisting_Guideline
[BUI] BEACH CLOSINGS [Listing Guideline] When waters, which are commonly used for total-body contact or partial-body contact recreation, exceed standards, objectives, or guidelines for such use. [Delisting Guideline] 
When waters, which are commonly used for total-body contact or partial body-contact recreation, do not exceed standards, objectives, or guidelines for such use.
International Joint Commission
Delisting Guideline