According to Zero Plastic Oceans NGO, OBP is an “Abandoned Plastic Waste” (microplastics, mezzo-plastics and macro-plastics), located within 50km from shores where waste management is inexistent or inefficient. Within this more extensive definition, four categories of OBP have been defined in the OBP Certifications Program:
POTENTIAL OBP: inadequately collected plastic waste located within a 50 km distance of the coastline
WATERWAYS OBP: inadequately collected plastic waste located 200m from rivers & in rivers
SHORLINE OBP: inadequately collected plastic waste located 200m from shores
FISHING MATERIAL: Used fishing gears and plastic by catch