@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

nalt:225078
  skos:prefLabel "Normas Nacionales de Calidad del Aire Ambiente"@es, "National Ambient Air Quality Standards"@en ;
  skos:definition nalt:225078_def ;
  ns0:marc001 "70142" ;
  dc:created "2014-08-19"^^xsd:date ;
  a skos:Concept, ns0:Topic ;
  skos:related nalt:5846 ;
  skos:broader nalt:49384 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  dc:modified "2014-11-17"^^xsd:date .

nalt:49384
  skos:prefLabel "estándares y grados"@es, "standards and grades"@en ;
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:225078 .

nalt:225078_def
  rdf:value "Normas que definen los niveles de calidad del aire que, de acuerdo con la Agencia de Protección Ambiental de Estados Unidos, son necesarios para proporcionar un margen adecuado de seguridad, a fin de proteger la salud pública."@es, "Standards which define the levels of air quality which the U.S. Environmental Protection Agency judges are necessary to provide an adequate margin of safety to protect the public health."@en ;
  dc:source "Schwarz, Charles F.; Thor, Edward C.; Elsner, Gary H. 1976. Wildland planning glossary. Gen. Tech. Rep. PSW-13. Berkeley, Calif.: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station" ;
  a ns0:Definition .

ns0:Topic
  rdfs:label "Topic"@en ;
  a owl:Class .

<https://lod.nal.usda.gov/nalt>
  rdfs:label "NALT Full"@en ;
  a skos:ConceptScheme .

nalt:5846
  skos:prefLabel "calidad del aire"@es, "air quality"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:225078 .