MaterialsEngineeringandTestingServices 5900FolsomBlvd. Sacramento,CA95819-4612 C494-StandardSpecificationforChemicalAdmixturesforConcrete. C260-StandardSpecificationforAir-EntrainingAdmixturesforConcrete. May3,2016 AsperStateofCalifornia,DepartmentofTransportation,StandardSpecifications(2015),Section90-1.02E(1),or ...