BODC data storage units BODC data storage units BODC units BODC units Terms used by BODC to describe the measurement units for data held in its repositories. 2017-08-11 02:00:03.0 88 British Oceanographic Data Centre Natural Environment Research Council British Oceanographic Data Centre British Oceanographic Data Centre Governance for vocabularies used within the data centre SDN:P06::MAKG SDN:P06::MAKG SDN:P06::MAKG 10**6 atoms per kilogram 10**6at/kg Unavailable. 1 2017-03-01 11:47:09.0 accepted false SDN:P06::UMKS SDN:P06::UMKS SDN:P06::UMKS 10^-8 * Cubic metres per kilogram 10^-8m^3kg-1 Unavailable 1 2000-03-09 00:00:00.0 accepted false SDN:P06::UAQU SDN:P06::UAQU SDN:P06::UAQU Angstrom squared per quantum A^2/Q Scaled unit by Avagadro's number and powers of ten to m**2/mol. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::UAMN SDN:P06::UAMN SDN:P06::UAMN Arc minutes arc_min Unit of angle described as one sixtieth of a degree. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::UBQK SDN:P06::UBQK SDN:P06::UBQK Becquerels per kilogram Bq/kg One radioactive disintegration per second from an SI standard unit of mass of sample. 3 2014-06-07 11:03:42.0 accepted false SDN:P06::UBQL SDN:P06::UBQL SDN:P06::UBQL Becquerels per litre Bq/l One radioactive disintegration per second from a one part in 10**3 of the SI unit of volume (cubic metre). 3 2014-06-07 11:07:57.0 accepted false SDN:P06::BQSM SDN:P06::BQSM SDN:P06::BQSM Becquerels per square metre Bq/m^2 One radioactive disintegration per second per SI unit area. 1 2015-03-26 14:48:06.0 accepted false SDN:P06::UYGA SDN:P06::UYGA SDN:P06::UYGA Billions of years before present Gyr The length of time elapsed expressed as billions (10**9) of years between the event of interest and the year 1950 AD. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::BYTE SDN:P06::BYTE SDN:P06::BYTE Bytes Bytes Unavailable 1 2005-09-01 12:39:50.0 accepted false SDN:P06::ULCM SDN:P06::ULCM SDN:P06::ULCM Centimetres cm Unit of length which is one hundredth of a metre. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::UVBB SDN:P06::UVBB SDN:P06::UVBB Centimetres per second cm/s Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::UCKA SDN:P06::UCKA SDN:P06::UCKA Centimetres per thousand years cm/kyr Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::UCST SDN:P06::UCST SDN:P06::UCST Centistokes cSt The engineering unit commonly used for kinematic vicosity equivalent to 10-6 m^2/s. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::UCNT SDN:P06::UCNT SDN:P06::UCNT Counts counts A proprietary unit for RDI ADCP instruments, which is proportional to decibels (dB) and used to measure echo intensity. Counts are converted to dB using a coefficient (Kc) for each ADCP instrument and each beam. 1 2016-08-04 09:13:28.0 accepted false SDN:P06::UCPS SDN:P06::UCPS SDN:P06::UCPS Counts per second counts/s Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::VVCC SDN:P06::VVCC SDN:P06::VVCC Cubic centimetres cm^3 Unit of volume which is equal to 1 millilitre or 10^-6 cubic metre. 1 2015-01-08 13:34:44.0 accepted false SDN:P06::MCUB SDN:P06::MCUB SDN:P06::MCUB Cubic metres m^3 Unavailable 1 2009-06-11 13:33:19.0 accepted false SDN:P06::CMPS SDN:P06::CMPS SDN:P06::CMPS Cubic metres per second m^3/s Unavailable 1 2008-02-20 11:25:57.0 accepted false SDN:P06::MCS2 SDN:P06::MCS2 SDN:P06::MCS2 Cubic metres per second squared m^3/s^2 Unavailable 1 2009-06-11 13:42:13.0 accepted false SDN:P06::UMCU SDN:P06::UMCU SDN:P06::UMCU Cubic micrometres (microns) um^3 Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::UCCM SDN:P06::UCCM SDN:P06::UCCM Cubic microns per cubic metre um^3/m^3 Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::UNVH SDN:P06::UNVH SDN:P06::UNVH Cubic microns per individual per hour um^3/ind/h Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::UCUM SDN:P06::UCUM SDN:P06::UCUM Cubic microns per millilitre um^3/ml Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::CMCM SDN:P06::CMCM SDN:P06::CMCM Cubic millimetres per cubic metre mm^3/m^3 One part in 10^9 of the SI unit of volume in the SI unit of volume. 1 2015-03-12 14:42:52.0 accepted false SDN:P06::UTAA SDN:P06::UTAA SDN:P06::UTAA Days d A time interval of 24 hours or 86400 seconds. 3 2014-05-06 09:20:49.0 accepted false SDN:P06::UPDB SDN:P06::UPDB SDN:P06::UPDB Decibars dbar Unavailable 2 2009-06-11 13:15:54.0 accepted false SDN:P06::UDBL SDN:P06::UDBL SDN:P06::UDBL Decibels dB Unavailable 2 2009-06-11 13:14:57.0 accepted false SDN:P06::UDBZ SDN:P06::UDBZ SDN:P06::UDBZ Decibels of Z dBZ Radar reflectivity unit. Decibels with a reference level of 1mm^6/m^3, which is equal to a cubic micron. 1 2010-09-16 11:33:50.0 accepted false SDN:P06::UAAA SDN:P06::UAAA SDN:P06::UAAA Degrees deg Unavailable 1 2005-11-04 12:47:29.0 accepted false SDN:P06::UPAA SDN:P06::UPAA SDN:P06::UPAA Degrees Celsius degC Unavailable 2 2006-05-04 08:42:24.0 accepted false SDN:P06::DKM2 SDN:P06::DKM2 SDN:P06::DKM2 Degrees Celsius kilogram per square metre degC.kg/m^2 Derived unit for the product of the temperature in degrees Celsius and the mass density of a medium, integrated over vertical depth or height in metres. 2 2017-06-22 08:17:57.0 accepted false SDN:P06::UPCC SDN:P06::UPCC SDN:P06::UPCC Degrees Celsius per metre degC/m Unavailable 2 2006-05-04 08:42:24.0 accepted false SDN:P06::UCSS SDN:P06::UCSS SDN:P06::UCSS Degrees Celsius squared per second degC^2/s Unavailable 2 2006-05-04 08:42:24.0 accepted false SDN:P06::DEGF SDN:P06::DEGF SDN:P06::DEGF Degrees Fahrenheit degF Unit of object hotness based upon a scale having 32 as the freezing point of water and 212 as the boiling point of water. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::UPKA SDN:P06::UPKA SDN:P06::UPKA Degrees Kelvin K Unavailable 2 2009-06-11 12:11:26.0 accepted false SDN:P06::DKPM SDN:P06::DKPM SDN:P06::DKPM Degrees Kelvin per metre degK/m A rate of change of one unit on the Kelvin temperature scale per unit length of one metre. 1 2010-11-04 13:17:08.0 accepted false SDN:P06::UABB SDN:P06::UABB SDN:P06::UABB Degrees True deg T Unavailable 1 2005-11-04 12:47:29.0 accepted false SDN:P06::DEGE SDN:P06::DEGE SDN:P06::DEGE Degrees east degree_east Unavailable 1 2009-06-17 14:23:55.0 accepted false SDN:P06::DEGN SDN:P06::DEGN SDN:P06::DEGN Degrees north degree_north Unavailable 1 2009-06-17 14:23:30.0 accepted false SDN:P06::DGPS SDN:P06::DGPS SDN:P06::DGPS Degrees per second deg/s Unavailable 1 2009-06-11 13:18:49.0 accepted false SDN:P06::UUUU SDN:P06::UUUU SDN:P06::UUUU Dimensionless Dmnless Unavailable 1 1993-06-28 13:54:51.0 accepted false SDN:P06::EQPL SDN:P06::EQPL SDN:P06::EQPL Equivalents per litre Equiv/l The amount of substance or substances in a litre of solution that will react with one gram of hydrogen. 1 2015-12-10 15:31:32.0 accepted false SDN:P06::FGKG SDN:P06::FGKG SDN:P06::FGKG Femtograms per kilogram fg/kg One part per 10**18 by weight of the measurand in the matrix. 1 2012-02-22 15:46:52.0 accepted false SDN:P06::FGPL SDN:P06::FGPL SDN:P06::FGPL Femtograms per litre fg/l One 10**18 part of the SI standard unit of mass of the measurand per litre volume of matrix.. 1 2014-02-04 12:55:12.0 accepted false SDN:P06::FMKG SDN:P06::FMKG SDN:P06::FMKG Femtomoles per kilogram fmol/kg A 10**18 part quantity of substance of the measurand per kilogram mass of matrix. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::UPFM SDN:P06::UPFM SDN:P06::UPFM Femtomoles per litre fmol/l A 10**18 part quantity of substance of the measurand per litre volume of matrix. 3 2014-02-04 12:49:44.0 accepted false SDN:P06::UFFU SDN:P06::UFFU SDN:P06::UFFU Fluorescein Fluorescence Units FFU Dimensionless scale derived in the laboratory using fluorescein as a proxy for environmental pigments. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::UGRM SDN:P06::UGRM SDN:P06::UGRM Grams g One thousandth part of the SI base unit of mass (kilogram). 2 2014-02-04 12:49:44.0 accepted false SDN:P06::UGCC SDN:P06::UGCC SDN:P06::UGCC Grams per cubic centimetre g/cm^3 Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::UGMC SDN:P06::UGMC SDN:P06::UGMC Grams per cubic metre g/m^3 Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::GPRG SDN:P06::GPRG SDN:P06::GPRG Grams per gram g/g One part by weight of the measurand in the matrix. 1 2015-06-01 08:54:11.0 accepted false SDN:P06::UGKG SDN:P06::UGKG SDN:P06::UGKG Grams per kilogram g/kg One part per 10**3 (thousand) by weight of the measurand in the matrix. 2 2015-06-01 08:45:38.0 accepted false SDN:P06::GQCY SDN:P06::GQCY SDN:P06::GQCY Grams per square centimetre per year g/cm^2/yr A rate of change of 0.001 of the SI unit of mass over 0.00001 of the SI unit of area in a period of an average calendar year (365.25 days) 1 2015-06-10 08:54:24.0 accepted false SDN:P06::UGMS SDN:P06::UGMS SDN:P06::UGMS Grams per square metre g/m^2 Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::UYAD SDN:P06::UYAD SDN:P06::UYAD Gregorian calendar years anno Domini AD A calendar year after the origin of the Gregorian calendar. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::UYBC SDN:P06::UYBC SDN:P06::UYBC Gregorian calendar years before Christ BC A calendar year prior to the origin of the Gregorian calendar expressed as a incrementing integer going back into the past. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::UYMD SDN:P06::UYMD SDN:P06::UYMD Gregorian date (yyyymmdd) yyyymmdd A date according to the Gregorian Calendar expressed as an 8-byte string with the year in bytes 1-4, month within year in bytes 5-6 and day within month in bytes 7-8. 2 2010-09-30 13:13:09.0 accepted false SDN:P06::HPAX SDN:P06::HPAX SDN:P06::HPAX Hectopascals hPa A pressure of one hundred Newtons per square metre (100 Pascals). Equivalent to a millibar. 1 2014-05-27 11:29:50.0 accepted false SDN:P06::HPAH SDN:P06::HPAH SDN:P06::HPAH Hectopascals per hour hPa/h A change in pressure of one hundred Newtons per square metre (100 Pascals) per hour. Equivalent to a change of one millibar per hour. 1 2011-01-26 16:51:14.0 accepted false SDN:P06::UTHZ SDN:P06::UTHZ SDN:P06::UTHZ Hertz Hz Unavailable 1 1996-02-28 11:48:52.0 accepted false SDN:P06::UHOR SDN:P06::UHOR SDN:P06::UHOR Hours h A time interval of sixty minutes or 3600 seconds. 1 2010-09-16 16:54:37.0 accepted false SDN:P06::UHMS SDN:P06::UHMS SDN:P06::UHMS Hours Minutes Seconds hh24miss Unavailable 1 1997-12-02 00:00:00.0 accepted false SDN:P06::TISO SDN:P06::TISO SDN:P06::TISO ISO8601 ISO8601 String corresponding to any legal ISO8601 format mask. This is the concatenation of 'yyyy-mm-dd' with any part of 'Thh:mm:ss.sss' (including none) depending on precision and an optional time zone indicator 'Zxxx' where xxx is the offset from UT. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::JOUL SDN:P06::JOUL SDN:P06::JOUL Joule J A derived unit of energy in the International System of Units. It is equal to the energy transferred (or work done) when applying a force of one newton through a distance of one metre (1 newton metre or Nm), or in passing an electric current of one ampere through a resistance of one ohm for one second. It is named after the English physicist James Prescott Joule (1818-1889). 2 2017-08-10 12:25:40.0 accepted false SDN:P06::JPKG SDN:P06::JPKG SDN:P06::JPKG Joules per kilogram J/kg Unavailable 1 2009-06-11 12:04:27.0 accepted false SDN:P06::JKGK SDN:P06::JKGK SDN:P06::JKGK Joules per kilogram per Kelvin J/kg/K Unavailable 1 2009-06-11 12:14:23.0 accepted false SDN:P06::JCMH SDN:P06::JCMH SDN:P06::JCMH Joules per square centimetre per day J/cm^2/d Radiant energy per 10^-4 SI unit area over a period of one day. 1 2015-01-28 09:30:37.0 accepted false SDN:P06::JMSQ SDN:P06::JMSQ SDN:P06::JMSQ Joules per square metre J/m^2 Unavailable 1 2009-06-11 12:20:04.0 accepted false SDN:P06::KPAS SDN:P06::KPAS SDN:P06::KPAS Kelvin Pascals per second K.Pa/s Unavailable 1 2009-06-11 12:22:08.0 accepted false SDN:P06::KMTX SDN:P06::KMTX SDN:P06::KMTX Kelvin metres K.m Unavailable 1 2009-06-11 12:22:54.0 accepted false SDN:P06::KMTS SDN:P06::KMTS SDN:P06::KMTS Kelvin metres per second K.m/s Unavailable 1 2009-06-11 12:23:52.0 accepted false SDN:P06::KPMT SDN:P06::KPMT SDN:P06::KPMT Kelvin per metre K/m Unavailable 1 2009-06-11 12:25:09.0 accepted false SDN:P06::KPRS SDN:P06::KPRS SDN:P06::KPRS Kelvin per second K/s Unavailable 1 2009-06-11 12:31:51.0 accepted false SDN:P06::KSXX SDN:P06::KSXX SDN:P06::KSXX Kelvin second K.s Unavailable 1 2009-06-11 12:31:02.0 accepted false SDN:P06::KMSS SDN:P06::KMSS SDN:P06::KMSS Kelvin square metres per kilogram per second K.m^2/kg/s Unavailable 1 2009-06-11 12:39:22.0 accepted false SDN:P06::KLSQ SDN:P06::KLSQ SDN:P06::KLSQ Kelvin squared K^2 Unavailable 1 2009-06-11 14:48:06.0 accepted false SDN:P06::KGPS SDN:P06::KGPS SDN:P06::KGPS Kilogram per second kg/s Unavailable 1 2009-06-11 13:21:36.0 accepted false SDN:P06::KGXX SDN:P06::KGXX SDN:P06::KGXX Kilograms kg The SI standard unit of mass. 2 2017-07-26 17:31:20.0 accepted false SDN:P06::UKMC SDN:P06::UKMC SDN:P06::UKMC Kilograms per cubic metre kg/m^3 Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::KSP3 SDN:P06::KSP3 SDN:P06::KSP3 Kilograms per cubic metre per second kg/m^3/s Unavailable 1 2009-06-11 13:27:13.0 accepted false SDN:P06::KGPH SDN:P06::KGPH SDN:P06::KGPH Kilograms per hour kg/h Unavailable 1 2017-03-17 14:45:02.0 accepted false SDN:P06::KMPS SDN:P06::KMPS SDN:P06::KMPS Kilograms per metre per second kg/m/s Unavailable 1 2009-06-11 13:23:32.0 accepted false SDN:P06::KMP2 SDN:P06::KMP2 SDN:P06::KMP2 Kilograms per square metre kg/m^2 Unavailable 1 2009-06-11 13:25:00.0 accepted false SDN:P06::KSP2 SDN:P06::KSP2 SDN:P06::KSP2 Kilograms per square metre per second kg/m^2/s Unavailable 1 2009-06-11 13:25:51.0 accepted false SDN:P06::KGS2 SDN:P06::KGS2 SDN:P06::KGS2 Kilograms squared per second squared kg^2/s^2 Unavailable 1 2009-07-06 21:24:54.0 accepted false SDN:P06::ULKM SDN:P06::ULKM SDN:P06::ULKM Kilometres km Unavailable 1 1994-09-16 00:00:00.0 accepted false SDN:P06::KMDY SDN:P06::KMDY SDN:P06::KMDY Kilometres per day km/d A change in location of a distance of one thousand metres in an elapsed time of one day (86400 seconds). 2 2014-02-04 12:49:44.0 accepted false SDN:P06::KIPA SDN:P06::KIPA SDN:P06::KIPA Kilopascals kPa A force of one thousand Newtons per square metre. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::UYKA SDN:P06::UYKA SDN:P06::UYKA Kiloyears before present kyr The length of time elapsed expressed as thousands of years between the event of interest and the year 1950 AD. 2 2014-02-04 12:49:44.0 accepted false SDN:P06::UKNT SDN:P06::UKNT SDN:P06::UKNT Knots (nautical miles per hour) Knots Unavailable 1 2000-12-28 12:25:11.0 accepted false SDN:P06::ULIT SDN:P06::ULIT SDN:P06::ULIT Litres l Unavailable 1 1996-11-13 00:00:00.0 accepted false SDN:P06::ULKG SDN:P06::ULKG SDN:P06::ULKG Litres per kilogram l/kg Unavailable 1 1997-02-07 00:00:00.0 accepted false SDN:P06::LPUM SDN:P06::LPUM SDN:P06::LPUM Litres per micromole l/umol The inverse of a molar concentration - the untits of per molarity. 1 2014-06-24 12:09:26.0 accepted false SDN:P06::ULPM SDN:P06::ULPM SDN:P06::ULPM Litres per minute l/min Unavailable 1 2003-06-30 00:00:00.0 accepted false SDN:P06::USIS SDN:P06::USIS SDN:P06::USIS Magnetic susceptibility SI units MSSI Unavailable 1 2010-12-07 14:10:04.0 accepted false SDN:P06::UCGS SDN:P06::UCGS SDN:P06::UCGS Magnetic susceptibility cgs units MScgs Unavailable 1 1996-10-24 00:00:00.0 accepted false SDN:P06::UCGG SDN:P06::UCGG SDN:P06::UCGG Magnetic susceptibility cgs units per gram Mscgs/g Unavailable 1 1996-10-24 00:00:00.0 accepted false SDN:P06::MBYT SDN:P06::MBYT SDN:P06::MBYT Megabytes MByte Unavailable 1 2005-09-01 12:39:15.0 accepted false SDN:P06::ULAA SDN:P06::ULAA SDN:P06::ULAA Metres m Unavailable 1 2005-11-04 12:47:29.0 accepted false SDN:P06::UVAA SDN:P06::UVAA SDN:P06::UVAA Metres per second m/s Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::MPS2 SDN:P06::MPS2 SDN:P06::MPS2 Metres per second squared m/s^2 Unavailable 1 2009-06-11 13:29:41.0 accepted false SDN:P06::MPYR SDN:P06::MPYR SDN:P06::MPYR Metres per year m/yr A rate of change of SI standard unit length over a period of an average calendar year (365.25 days). 2 2017-02-28 12:21:09.0 accepted false SDN:P06::M4S1 SDN:P06::M4S1 SDN:P06::M4S1 Metres to the power four per second m^4/s Unavailable 2 2017-02-28 12:22:01.0 accepted false SDN:P06::UMEC SDN:P06::UMEC SDN:P06::UMEC MicroEinsteins per cubic metre per second uE/m^3/s Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::UECH SDN:P06::UECH SDN:P06::UECH MicroEinsteins per square centimetre per hour uE/cm^2/h Energy of 10^-6 moles of photons per 10^-4 SI unit area over a period of one hour. 1 2015-01-28 09:30:37.0 accepted false SDN:P06::UMES SDN:P06::UMES SDN:P06::UMES MicroEinsteins per square metre per second uE/m^2/s Unavailable 1 2003-11-05 15:13:12.0 accepted false SDN:P06::UEQL SDN:P06::UEQL SDN:P06::UEQL MicroEquivalents per litre uEquiv/l The amount of substance or substances in a litre of solution that will react with one microgram of hydrogen. 2 2012-12-18 09:42:28.0 accepted false SDN:P06::UGPM SDN:P06::UGPM SDN:P06::UGPM MicroGals per metre uGal/m A rate of change of one millionth part of a unit of gravitational acceleration equal to one centimetre per second per second over a distance of one metre. 2 2010-11-04 12:38:04.0 accepted false SDN:P06::UATM SDN:P06::UATM SDN:P06::UATM Microatmospheres uatm Unavailable 1 2005-04-12 12:09:06.0 accepted false SDN:P06::UWBQ SDN:P06::UWBQ SDN:P06::UWBQ Microbecquerels per kilogram uBq/kg One radioactive disintegration per hundred thousand seconds from an SI standard unit of mass of sample. 1 2016-10-06 16:20:14.0 accepted false SDN:P06::UUBQ SDN:P06::UUBQ SDN:P06::UUBQ Microbecquerels per litre uBq/l Unavailable 2 2014-06-07 11:03:42.0 accepted false SDN:P06::UGUG SDN:P06::UGUG SDN:P06::UGUG Micrograms ug 10**-6 grams or one 10**-9 of the SI standard unit of mass (kilogram). 2 2017-07-26 17:30:08.0 accepted false SDN:P06::XGCC SDN:P06::XGCC SDN:P06::XGCC Micrograms per cubic centimetre ug/cm^3 One part in 10^9 of the SI unit of mass in one part in 10^6 of the SI unit of volume. 1 2015-01-08 14:45:51.0 accepted false SDN:P06::MCUG SDN:P06::MCUG SDN:P06::MCUG Micrograms per cubic metre ug/m^3 Unavailable 1 2010-04-12 14:53:07.0 accepted false SDN:P06::UGM3 SDN:P06::UGM3 SDN:P06::UGM3 Micrograms per cubic metre per hour ug/m^3/h Unavailable 1 2008-02-20 11:33:17.0 accepted false SDN:P06::WXCC SDN:P06::WXCC SDN:P06::WXCC Micrograms per five cubic centimetres ug/5cm^3 One part in 10^9 of the SI unit of mass in five parts in 10^6 of the SI unit of volume. 1 2016-05-16 13:34:14.0 accepted false SDN:P06::UGGR SDN:P06::UGGR SDN:P06::UGGR Micrograms per gram ug/g One part per 10**6 (million) by weight of the measurand in the matrix. 1 2016-11-03 11:24:46.0 accepted false SDN:P06::UUKG SDN:P06::UUKG SDN:P06::UUKG Micrograms per kilogram ug/kg One part per 10**9 (billion) by weight of the measurand in the matrix. 2 2012-02-22 15:49:34.0 accepted false