This document provides contact times and cleaning instructions for various disinfectants. SaniZide is effective against norovirus in 30 seconds and HIV in 1 minute. PDI wipes are effective against HIV, HBV and HCV in 2 minutes. Bleach solutions must remain wet on surfaces for 5-10 minutes depending on the pathogen. Proper cleaning of high-touch areas in ambulances such as handrails and restraints is recommended to prevent cross-contamination between patients.