Assertion: ethylene glycol's value | /r/HasProperty | based on level
Facets:
value: usually
type: DEGREE
Source sentences:
text: Regulations and recommendations can be expressed as "not-to-exceed" levels, that is, levels of a toxic substance in air, water, soil, or food that do not exceed a critical value that is usually based on levels that affect animals; they are then adjusted to levels that will help protect humans.