ASTM D 2521/D2521M : 1976 : R2014 : EDT 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Specification for Asphalt Used in Canal, Ditch, and Pond Lining
Hardcopy , PDF
06-01-2021
English
11-01-2014
CONTAINED IN VOL. 04.04, 2015 Defines an oxidized petroleum asphalt, which, when applied in a sufficient thickness over a suitable subgrade and covered with a suitable cover material, will provide a satisfactory waterproof membrane for use as a canal, ditch, and pond lining.
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