What standards are there which certify biodegradable and compostable?
• Existing compo stability standards include European Norm EN13432 and American Society for Testing and Materials (ASTM) D6400-99. Of these, EN13432 is the strictest, requiring 90% biodegradation in 90 days, while ASTM D6400-99 requires 60% biodegradation in 180 days. Both set limits of required disintegration in addition to stipulating allowable levels of toxins. • Biodegradability is certified by The International Standards Organization (ISO) 14855, which requires 60% biodegradation in 180 days, though makes no stipulations regarding disintegrations or toxins remaining.
