AASHTO M 201-15 (2021)

This specification includes requirements for mixing rooms, where paste and mortar specimens are prepared, and for moist cabinets, moist rooms, and water storage tanks, where paste, mortar, and concrete test specimens are stored.
The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. Values in SI units shall be obtained by measurement in SI units or by appropriate conversion, using the Rules for Conversion and rounding given in Standard IEEE/ASTM SI 10, of measurements made in other units.