Concrete is a permeable substance ... to the surface of the slab and cause the floor to fail. Over the years, various methods of moisture testing have been developed, but most of them are not ...

Davis, 61, who was fatally struck by a dump truck owned by Ti-Zack Concrete at a downtown ... where Barber told Hartwig he was going to fail a drug test. Hartwig then left Barber at the hospital.