The ANSI/IICRC S540-2017 Standard for Trauma & Crime Scene Cleanup (S540-2017) describes the procedures to be followed and the precautions to be taken when performing trauma and crime scene cleanup. As described in the standard, trauma and crime scene cleanup consists of the following components:

While the S540-2017 is an American National Standard and is U.S.-based, it was written to be inclusive internationally. Regulations and regulatory agencies from Australia, the U.K. and Canada are cited in an effort to aid international users of the standard.