Page 342 - Annual Report 2020

6.8.3 Terms used in reserves and resources 6.8.4 Units of measure

Ag P % ML
silver phosphorous percentage or per cent megalitre
Pc bbl mm
AI 2 O 3
alumina phosphorous in concentrate barrel millimetre
Anth PCI (containing 42 US gallons) MMbbl/d
anthracite pulverised coal injection bbl/d million barrels per day
Ash S barrels per day MMboe
inorganic material remaining sulphur Bcf million barrels of oil equivalent
after combustion SCu billion cubic feet MMBtu
Au soluble copper (measured at the pressure million British thermal units –
bases set
gold by the regulator) 1 scf of natural gas equals
SiO 2 approximately 1,010 Btu
Cu silica boe
copper TCu barrels of oil equivalent – MMcf/d
CV total copper 6,000 scf of natural gas million cubic feet per day
calorific value Th equals 1 boe Mt
Fe thermal coal CO 2 -e million tonnes
iron carbon dioxide equivalent Mtpa
U 3 O 8 million tonnes per annum
Insol. uranium oxide dmt
insolubles VM dry metric tonne MW
K 2 O volatile matter GJ megawatt
potassium oxide Yield gigajoule oz
KCl the percentage of material of GL ounce
potassium chloride interest that is extracted during gigalitre ppm
LOI mining and/or processing g/t parts per million
loss on ignition Zn grams per tonne PJ
Met zinc ha petajoules
metallurgical coal hectare scf
MgO kcal/kg standard cubic feet
magnesium oxide kilocalories per kilogram t
Mo kg/tonne or kg/t tonne
molybdenum kilograms per tonne tCO 2 -e
Ni km tonne of carbon dioxide
equivalent
nickel kilometre
kt TJ
kilotonnes terajoule
ktpa TJ/d
kilotonnes per annum terajoules per day
ktpd TW
kilotonnes per day terawatt
kV TWh
kilovolt terawatt hour
kW tpa
kilowatt tonnes per annum
kWh tpd
kilowatt hour tonnes per day
lb t/h
pound tonnes per hour
m wmt
metre wet metric tonnes
m 3
cubic metre
Mbbl/d
thousand barrels per day
Mcf
thousand cubic feet
(measured at the pressure
bases set by the regulator)

340 BHP Annual Report 2020