Answer Key

(1) PA   Process Air or Plant Air
(2) IA   Instrument Air
(3) CA   Compressed Air
(4) CCA   Clean Compressed Air
(5) WFI   Water for Injection
(6) POW   Potable Water
(7) PUR   Purified Water
(8) SFT   Soft Water
(9) CW   City Water
(10) DI   Deionized Water
(11) CIPS   Clean In Place Supply
(12) CIPR   Clean In Place Return
(13) N2   Nitrogen
(14) O2   Oxygen
(15) CO2   Carbon Dioxide
(16) VT   Vent
(17) CS   Clean Steam
(18) CSC   Clean Steam Condensate
(19) SC   Steam Condensate
(20) PCWS   Process Chilled Water Supply
(21) PCWR    Process Chilled Water Return
(22) HWS   Hot Water Supply
(23) HWR   Hot Water Return
(24) PW   Process Waste
(25) CGS   Chilled Glycol Supply
(26) CGR   Chilled Glycol Return
(27) VAC   Vacuum