| State | Specifications | Standard |
|---|---|---|
| All | ASTM C-94 | Standard specification for concrete |
| All | ASTM C-90 | Standard specification for concrete block |
| All | American Concrete Institute (ACI 211) |
Standard practice for selecting proportions |
| All | American Concrete Institute (ACI 318) |
Building code requirements for structural concrete |
| All | Corps. Engineer Specifications | Standard specification for concrete (Army Corp of Engineers) |
The American Concrete Institute (ACI) is a leading authority and resource worldwide for the development, distribution and adoption of consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.