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isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
n5asbar.
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:41456023
rdf:type
prov:Entity
prov:value
And, because of technological, .economic and other factors, it may not always be feasible to achieve an effluent quality that equals or exceeds the standards established herein at the point of discharge.
prov:wasQuotedFrom
n5:org
Subject Item
isap:53583930
prov:wasDerivedFrom
isa:41456023