Simple and reliable method to simultaneously determine urinary 1- and 2-naphthol using in situ derivatization and gas chromatography-mass spectrometry for biological monitoring of naphthalene exposure in occupational health practice

• Akito TakeuchiJapan Industrial Safety and Health Association
• Sadao NakamuraAgilent Technologies (Japan)
• Akira NameraHiroshima University
• Tomoaki KondoShimadzu (Japan)
• Hiroyuki OnukiRikkyo University
• Shinobu YamamotoUniversity of Occupational and Environmental Health Japan
• Shingo OkamuraJapan Industrial Safety and Health Association
• Osamu NishinoiriJapan Industrial Safety and Health Association
• Yoko Endo
• Hiroyuki MiyauchiUniversity of Occupational and Environmental Health Japan
• Ginji EndoJapan Industrial Safety and Health Association