NOTICE:This standard has either been superseded and replaced by a new version or discontinued. Contact ASTM International (.astm.org)for the latest information. Designation:D 5210-92 An American National Standard AMERICAN SOCIETY FOR TESTING AND MATERIALS 100 Barr Harbor Dr. West Canshohocken PA 19428 Reprinted from the Annual Book of ASTM Standards.Copyright ASTM Standard Test Method for Determining the Anaerobic Biodegradation of Plastic Materials in the Presence of Municipal Sewage Sludge This standard is issued under the fixed designation D 5210;the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon (E)indicates an editorial change since the last revision or reapproval. 1.Scope 4.Summary of Test Method 1.1 This test method determines the degree and rate of 4.1 This test method consists of selecting plastic material anaerobic biodegradation of synthetic plastic materials (includ-for testing obtaining sludge from an anaerobic-digester at a ing formulation additives)on exposure to anaerobic-digester waste-treatment plant exposing the plastic material to the municipal sewage sludge from a waste-water plant under inoculum obtained from the sewage sludge measuring total laboratory conditions. gas carbon dioxide and methane (CO and CH) evolved as a 1.2 This test method is designed to index plastic materials ...