title: Perchlorate mystery surfaces in Texas.
authors: Kris
authors: K
authors: Christen
mesh_terms: D000383:Agriculture; D004784:Environmental Monitoring; D010472:Perchlorates / Q000032:analysis*; D017670:Sodium Compounds / Q000032:analysis*; D012989:Soil Pollutants / Q000032:analysis*; D013781:Texas; D014481:United States; D014484:United States Environmental Protection Agency; D014873:Water Pollutants / Q000032:analysis*; D014881:Water Supply
chemical_list: D010472:Perchlorates; D017670:Sodium Compounds; D012989:Soil Pollutants; D014873:Water Pollutants; C031068:sodium perchlorate