5c40ff9a___Drinking_Water_Contamination__INORGANIC_CHEMICALS
[INDUSTRIAL SOURCE] Found in discharges from mines and refineries [HEALTH EFFECTS] Can cause circulatory problems resulting in numbness to fingers and toes; loss of hair and fingernails [INORGANIC CHEMICALS] 
Selenium
Industrial Water Pollution - Drinking Water Contamination
INORGANIC CHEMICALS