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LOCATION_NAMELocation NameNominalName of lake where measurement was made
DATE_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.
alk (meq/L)Physical quantityAlkalinity in milliequivalents per liter
I (umol/kg)Physical quantityTotal dissolved iodine in micromoles per kilogram
Br (umol/kg)Physical quantityTotal dissolved bromine in micromoles per kilogram
Cl (mM)Physical quantityDissolved chloride in millimoles per liter