... volatile aliphatic aldehydes (e.g., pentanal, hexanal, nonanal), 2-butanone, terpene hydrocarbons (e.g., α-pinene, 3-carene, d-limonene), and alkane and aromatic hydrocarbons (Lindstrom et al., ... predominant and persistent indoor VOCs included aldehydes (e.g., formaldehyde, acetaldehyde, pentanal, hexanal and nonanal) and terpene hydrocarbons (e.g., a- pinene, 3-carene and d-limonene), ... Conshohocken, PA, ASTM International (ASTM Standard D 511 6-9 7). ASTM. 2003. Standard Test Method for Determining Air Leakage Rate by Fan Pressurization. West Conshohocken, PA, ASTM International (ASTM...