https://ntp.niehs.nih.gov/go/10469

Target Organs and Levels of Evidence for TR-410

Toxicology and Carcinogenesis Studies of Naphthalene (CASRN 91-20-3) in B6C3F1 Mice (Inhalation Studies)

Chemical (Study Title)
CASRN
Peer Review Date Route/Exposure Levels Study Laboratory
Naphthalene
91-20-3
03/11/1991 Inhalation
0,10 (75 mice/sex/group),30 (150 mice/sex/group) PPM
Man Tech, Inc.

Levels of Evidence

Male Mice: No Evidence
Type Organ/Tissue (Lesion)
Non-Neoplastic Lesions
  • NASAL CAVITY: INFLAMMATION, CHRONIC; OLFACTORY EPITHELIUM, METAPLASIA; RESPIRATORY EPITHELIUM, HYPERPLASIA
  • LUNG: INFLAMMATION, CHRONIC
Female Mice: Some Evidence
Type Organ/Tissue (Lesion)
Neoplastic Lesions
  • Lung: ALVEOLAR/BRONCHIOLAR ADENOMA 5/68 2/64 28/134
Non-Neoplastic Lesions
  • NASAL CAVITY: INFLAMMATION, CHRONIC; OLFACTORY EPITHELIUM, METAPLASIA; RESPIRATORY EPITHELIUM, HYPERPLASIA
  • LUNG: INFLAMMATION, CHRONIC