<http://webisa.webdatacommons.org/prov/250276866>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/140987045> .
<http://webisa.webdatacommons.org/prov/75447984>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/140987045> .
<http://webisa.webdatacommons.org/140987045>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<norfolkcounty.ca> .
<http://webisa.webdatacommons.org/prov/491623281>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/140987045> .
<http://webisa.webdatacommons.org/140987045>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/140987045>	<http://www.w3.org/ns/prov#value>	"Nitrates are also found in many foods such as spinach, beets, carrots, hot dogs and other meats." .