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ColumnFilter
DEPTH (m)
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ColumnLabelTypeDefinition
LOCATION_NAMELocation NameNominalName of lake where measurement was made
LATITUDELatitudePhysical quantitySample Latitude
LONGITUDELongitudePhysical quantitySample Longitude
DATE_TIMEDate_timeDate/timeDate sample was collected
DEPTH (m)DepthPhysical quantityStream, pond, or lake depth. In the case of ice-covered lakes, depth is in meters below the upper ice surface.
He-4 (ucc/kg)Physical quantityTotal dissolved Helium-4 in micro cubic centimeters per kilogram
Ne (ucc/kg)Physical quantityTotal dissolved Ne micro cubic centimeters per kilogram
N2 (ucc/kg)Physical quantityTotal dissolved N2 micro cubic centimeters per kilogram
Ar (ucc/kg)Physical quantityTotal dissolved Ar micro cubic centimeters per kilogram
Methane (ucc/kg)Physical quantityTotal dissolved methane micro cubic centimeters per kilogram
R/Ra (ucc/kg)Physical quantitynone
Tritium (TU)Physical quantityTotal tritium in Tritium Units
delta 18O (permil)Physical quantityDelta Oxygen-18 in per mill
delta D (permil)Physical quantityDelta Deuterium in per milll
F (mg/L)Physical quantityTotal dissolved fluoride in milligrams per literl
Cl (mg/L)Physical quantityTotal dissolved chloride in milligrams per liter
NO3 (mg/L)Physical quantityTotal dissolved nitrate in milligrams per liter
SO4 (mg/L)Physical quantityTotal dissolved sulfate in milligrams per liter
Li (mg/L)Physical quantityTotal dissolved lithium in milligrams per liter
Na (mg/L)Physical quantityTotal dissolved sodium in milligrams per liter
K (mg/L)Physical quantityTotal dissolved potassium in milligrams per liter
Mg (mg/L)Physical quantityTotal dissolved magnesium in milligrams per liter
Ca (mg/L)Physical quantityTotal dissolved calcium in milligrams per liter
DEPTH MASLPhysical quantityDepth referred to the Sea level. Distance below Mean Average Sea wa ter level reference from which sample was drawn