f3922471_ater_Standards_and_Definitions__AGENT
[ACCEPTABLE or SAFE LIMITS] Less than 120 mg/L [SOURCES] Metallic element naturally found and highly soluble [EFFECTS] Possible salt intrusion from sea water or naturally occurring deposits in bedrock Salt runoff from plowing roads may be leaching into well water (if well is close to road) [AGENT] 
Sodium
Haskell Water Treatment Drinking Water Standards and Definitions
AGENT