Assertion: sulfur dioxide's effect | /r/AtLocation | animal
Facets:
value: at levels below 5 ppm
type: OTHER
Source sentences:
text: These criticisms and the lack of chronic effects observed in animals at levels below 5 ppm (Alarie, Ulrich, Busey et al. 1970 and 1972, as cited in ACGIH 1986/Ex.