Answer :
Final answer:
Water for concrete mixing must adhere to ASTM C1602, which specifies quality requirements and limits on impurities to ensure the concrete's structural integrity and durability. Thus the correct answer is option B. ASTM C1602.
Explanation:
Water for concrete mixing must conform to ASTM C1602. This standard is specifically designed for mixing water used in the production of hydraulic cement concrete. It outlines quality requirements for water, including limits on impurities, which might affect the properties of concrete, including setting time and strength. It's essential for ensuring the structural integrity and durability of the concrete mix.