Standard Specification for
Sewer and Manhole Brick
(Made from Clay or Shale)
AASHTO M 91-07 is identical to ASTM C 32-05 except that all references to ASTM C 67 contained in ASTM C 32-05 shall be replaced with T 32
.
American Association State
ClijHff
Standard Specification for
Sewer and Manhole Brick (Made From Clay or Shale)1
nsportation Officials Standard
AASHTO No.: M91·78
This standard is issued under the fixed designation C 32; the number immediately following the designation indicates the year of original
ado.ption or,_ in .the case of ‘:v1�1on. the ye� of last revisron. A number in parentheses maicates ctie yea1 of last reapprovat A snpersei ipt
epsilon ( e) indicates an editorial change smcc the last revision or rcapproval.
111is standard has been approved for use by agencies of the Department of Defense.
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