There are many factors to consider about crushing Hazardous Medications which should be determined by pharmacists at each hospital. Guidelines about compounding various levels of hazardous drugs are contained in USP Chapters <800> and <795>.
There is a list compiled by NIOSH for the various levels of hazardous drugs. The list can be found here: https://www.cdc.gov/niosh/docs/2010-167/pdfs/2010-167.pdf.
USP<800> and <795> mandates as much Personal Protection should be used when crushing medications as possible given the resources of the hospital.
RxCrush makes the containers and the crusher for pill crushing but don't have the scope to set crushing protocol or to determine crushing medication protocol.