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Information about methods of analysis for Sodium (Na) in the NGS

      Distribution maps  
      (Click on thumbnail to enlarge)  
Method Quality Notes Lower 48 Alaska Hawai`i Statistics
ICP16Very good Show field values mapped on the conterminous (lower 48) states  Show statistics for this field
ICP40Very good Show field values mapped on the conterminous (lower 48) statesShow field values mapped on AlaskaShow field values mapped on Hawai`iShow statistics for this field
INAAExcellent Show field values mapped on the conterminous (lower 48) statesShow field values mapped on Alaska Show statistics for this field
NURE methodsVariable Show field values mapped on the conterminous (lower 48) statesShow field values mapped on Alaska Show statistics for this field
XRFExcellent Show field values mapped on the conterminous (lower 48) states  Show statistics for this field