Assertion: butadiene | /r/HasProperty | detected in sample
Facets:
value: frequently
type: TEMPORAL
value: with being 28 µg/m3
type: OTHER
value: similarly
type: MANNER
Source sentences:
text: Similarly, butadiene was frequently detected in samples from 10 parking structures in Cali fornia, with the maximum concentration being 28 µg/m3 (Wilson et al., 1991).