Recommendations on Standards for the Design of Medical Diagnostic Equipment for Adults with Disabilities, Advisory Committee Final Report

5.8.2.7 Base Support Allowance. Base support is permitted to obstruct the clear floor space if it fits within the allowed base support volume. Base supports can be a maximum of 1½ inches high. An additional sloped region above the base support is permitted at a depth of 25 inches from the front edge of the breast platform at 1½ inches above the floor, and can extend to a height of 4 inches above the floor at a depth of 28 inches from the front edge of the breast platform.

5.8.2.7.1 Mammography Chair Footrest. Mammography chairs must meet the requirements for equipment used for patient in a seated position with the additional requirement that any footrests must accommodate and ride over the base support.