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Polynuclear Aromatic Hydrocarbon (PNA)

hydrocarbon consisting of two or more fused aromatic rings. 

DISCUSSION—Common examples include naphthalene, anthracene, and phenanthrene. Also known as polyaromatic hydrocarbon (PAH) or condensed ring aromatic.

Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ANSI/ASTM E3197-23 Standard Terminology Relating to Examination of Fire Debris. ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428, 2023. Source link
Reprinted, with permission, from ASTM, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the complete standard may be purchased from ASTM International, https://www.astm.org