utilities in a pharmaceutical manufacturing facility include potable water, HVAC supply, return, exhaust, and makeup air, instrument (compressed) air, clean steam, chilled water, sanitary sewer, laboratory gas (like nitrogen, CO2, oxygen), CIP (clean in place), compressed air, WFI (water for injection), biowaste, and many others.  Most utilities are installed according to building codes and approved client procedures, then validated for use in the manufacture of pharmaceutical products for human consumption.  The Food & Drug Administration regulates activities within the facility via their CFA (Codes of Federal Regulations)
clean steam