Abbreviations & Acronyms beginning with H:

H2S = Hydrogen Sulfide

HAP’s = Hazardous Air Pollutants Continued below

HARP = Hot Spots Analysis and Reporting Program

HARP = Hydrocarbons Additional Recovery Program

HAZMAT = Hazardous Materials Response Division of NOAA

HBL = Hydrostatic Balanced Loading 

HBL = Hydrostatic Balanced Loading  

HCA = Host Control Area

HCRF = Hydrographic Chart Raster Format 

HEA = Habitat Equivalency Analysis

HEP = Habitat Evaluation Procedure

HGE = Harmonization Group on ECDIS 

HHI = Hirschman Herfindahl Index

HHP = High holding power (anchors) 

HKSR = Hong Kong Shipping Register

HLID = Hydrocarbon Leak and Ignition Database

HLO = Helicopter Landing Officer

HMG = Her Majesty’s Government (UK)

HMT = Her Majesty’s Treasury (UK)

HNS = Convention on the Carriage of Noxious and Hazardous Substances by Sea 

HO = Hydrographic Office

HP = high pressure 

HP = Horsepower

HPHT = High Pressure High Temperature

HQI = Habitat Quality Index

HSC = Health & Safety Commission

HSC = International Code of Safety for High-Speed Craft

HSE = Health, Safety and Environment

HSWA = Health and Safety at Work Act  

HUET = Helicopter Underwater Escape Training

HVDC = High Voltage Direct Current

HVI = High Viscosity Index

Hz = Hertz (cycles per second)

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