About: http://webisa.webdatacommons.org/257809614

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Air emissions are determined by measuring airflow rates into each of the eight animal rooms and multiplying airflow by the concentration of the gas of interest as it is measured in the exhaust air.
http://www.w3.org/ns/prov#wasQuotedFrom	usda.gov