Assertion: arsenic | /r/CapableOf | range to 0.000003 mg/m3
Facets:
value: from 0
type: OTHER
Source sentences:
text: Although as time went on, occupational controls became more stringent and workers were exposed to reduced arsenic concentrations, the arsenic exposures measured from these studies ranged from about 0.05 to 0.3 mg/m3 and are significantly higher than airborne environmental exposures to arsenic (which range from 0 to 0.000003 mg/m3).