26.5.1 Concrete Production
(a) Cementitious materials and aggregates shall be stored to prevent deterioration or contamination.
(b) Material that has deteriorated or has been contaminated shall not be used in concrete.
(c) Equipment for mixing and transporting concrete shall conform to ASTM C94 or ASTM C685.
(d) Ready-mixed and site-mixed concrete shall be batched, mixed, and delivered in accordance with ASTM C94 or ASTM C685.