ASTM D 5209 : 1992
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Standard Test Method for Determining the Aerobic Biodegradation of Plastic Materials in the Presence of Municipal Sewage Sludge (Withdrawn 2004)
Hardcopy , PDF
03-11-2004
English
31-07-1992
CONTAINED IN VOL 08.03 1999 Covers the rate and the degree of aerobic biodegradation of synthetic plastic materials (including formulation additives that may be biodegradable) on exposure, under laboratory conditions, to activated sewage sludge inoculum. Designed to index plastic materials that are more or less biodegradable relative to a standard in an aerobic environment. Applies to all plastic materials that are not inhibitory to the bacteria in the activated sewage sludge. The values expressed in SI units are to be thought of as the standard.
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