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<http://webisa.webdatacommons.org/prov/455699103>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/445058535> .
<http://webisa.webdatacommons.org/445058535>	<http://www.w3.org/ns/prov#value>	"Local authorities closely monitor the BOD (biochemical oxygen demand) level of waste-water originating from such facilities as part of the Clean Water Act enforcement." .
<http://webisa.webdatacommons.org/445058535>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<semashow.com> .