Drinking-water security.
D023482:Bioterrorism / Q000331:legislation & jurisprudence*; D006801:Humans; D009937:Organizational Objectives; D011634:Public Health / Q000379:methods; D018570:Risk Assessment; D012637:Security Measures / Q000331:legislation & jurisprudence*; D014481:United States; D014484:United States Environmental Protection Agency; D014881:Water Supply / Q000331:legislation & jurisprudence* / Q000592:standards