M 74 Subgrade Paper Subgrade Paper 1938 Discontinued 1972 Lack of use.

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This document shows all materials specifications, practices, and test methods that have been published as part of the AASHTO Standard.

Specifications for Transportation Materials and Methods of Sampling and Testing from its first publication in 1931 through the most recent.

The chart on the following pages shows each AASHTO standard, in numerical order.

Active AASHTO standards are shown with a white background; standards which are no.

For standards that are no longer active, the chart also shows the date the standard was.

If a substitute standardeither from AASHTO or another organizationhas.

Finally, the Notes column contains any additional relevant information about the.

AASHTO materials standards consist of a single letter indicating the standard type and a one- to three-digit number uniquely identifying the.

M 6a Mortar Sand Mortar Sand 1924 Renumbered 1935 Renumbered as M 45.

Status of AASHTO Materials Standards and Test MethodsAprl 2016.

M 18 Oil Asphalt Filler Type A Oil Asphalt Filler 1924 Discontinued 1978.

M 19 Asphalt Filler Type B Asphalt Filler Type B 1924 Discontinued 1935.

M 45 Mortar Sand Aggregate for Masonry Mortar 1924 Active Formerly M 6a.

M 46 Premolded Asphalt Plank Asphalt Plank 1935 Discontinued 1993 Lack of use.

Mixed-in-Place Construction Emulsified Asphalt 1935 Discontinued 1950.

Mixtures for Repair Work Emulsified Asphalt 1935 Discontinued 1950.

Surface Treatment Work Emulsified Asphalt 1935 Discontinued 1950.

M 64 Cast-Iron Culvert Pipe Ductile Iron Culvert Pipe 1938 Discontinued 1990.

M 67 Green Graphite Bridge Paint Foliage Green Bridge Paint 1938 Discontinued 1992 Lack of use.

M 72 Red Lead Ready-Mixed Paint Red Lead Ready-Mixed Paint 1938 Discontinued 1992 Lack of use.

Campost Crack