Assertion: chlorine dioxide's chlorine | /r/HasProperty | fac
Facets:
Source sentences:
text: Free available chlorine (FAC).
text: Available Chlorine (AC) is the amount of Chlorine released in the water to disinfect.
text: Combined available chlorine (CAC) or chloramines.
text: Free available chlorine (FAC), which should be in the range of 2 - 4 ppm, but never fall below 1.0 ppm