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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

The biodegradation of the test material was assessed in tests that assessed both  ready and inherent biodegradability.

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Additional information

The test material reached 40.6% biodegradation based on CO2 production after 29 days in a U.S. EPA guideline Aerobic Aquatic Biodegradation test using an adapted inoculum. In an OECD 301D Closed Bottle Test, the test material reached 7.1% biodegradation in 28 days. In a shake-flask test using unacclimated inoculum from a municipal sewage treatment plant, CO2 production ranged from non-detected to 22% after 35 days. The results from these studies are consistent with an inherent primary biodegradability description based on current OECD guidelines.