Arsenic

Maximum Contaminant Level (MCL) : 0.010 mg/L

Sources: Erosion of natural deposits; runoff from orchards, runoff from glass & electronics production wastes

Health effects: Skin damage or problems with circulatory systems, and may have increased risk of cancer

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Related links:

• Arsenic Facts
• Arsenic Treatment
• Arsenic and Clarifications to Compliance and New
  
• Source Monitoring Rule: A Quick Reference Guide
  US Environmental Protection Agency