Water Abbreviations and Acronyms
- HLAHigh Level Alarm
- HLBHydrephilic-Lipophilic-Balance
- HLDHydrophilic-Lipophilic Deviation
- HLMSHigh-Latitude Monitoring Station
- HLWMHydraulic Line Wet-Mate
- HMIHeavy Mgtal Ions
- HMPHydromodification Management Plan
- HNPHuman Needs Rroject
- HOBHome of Brown
- HOCHydrophobic Organic Compounds
- HOCHydrophobic Organic Compound
- HOCSHydrophobic Organic Compounds
- HODHydro-Optic Disinfection
- HOFHands Off Flow
- HOORCHarry Oppenheimer Okavango Research Centre
- HOSTHydrology of Soil Types
- HPCCHigh Performance Computing and Communications Program and Information Technology
- HPPHigh Pressure Pump
- HRECOSHudson River Environmental Conditions Observing System
- HRESHudson River Environmental Society
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