FIG. 2.
Inactivation of Bacillus anthracis spores with sodium hypochlorite. Strains 7702, ANR-1, and 9131 were suspended in water, 10% flour paste, whole milk, and 50% egg yolk emulsion. Suspensions were dried onto stainless-steel coupons for 1 h and then exposed to sodium hypochlorite solutions for 10 min. Total available chlorine levels also represented free available chlorine levels.