NRPA - National Recreation and Park Association

CPRA - Canadian Parks and Recreation Association

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NPCAI - International Playground Contractors Association

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NPPS - National Program for Playground Safety

Dr. Joe Frost Library - University of the Incarnate Word

ASTM International Standards Worldwide

ASTM Members Can Obtain Copy of Minutes by clicking here -->  http://myastm.astm.org/filtrexx40.cgi?+-P+cart+hxfo8715+/usr6/htdocs/newpilot.com/logon_new.frm

Canadian Standards Association

Consumer Product Safety Commission