AASHTO R 21 : 1996(R2015)
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
PRACTICE FOR DRILLING FOR SUBSURFACE INVESTIGATIONS-UNEXPECTEDLY ENCOUNTERING SUSPECTED HAZARDOUS MATERIAL
Superseded date
16-08-2015
Superseded by
Published date
22-05-2013
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| DocumentType |
Standard
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| PublisherName |
American Association of State Highway and Transportation Officials
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
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