1. Threshold limit values (TLVs) for chemical substances and physical agents and biological exposure indices (BEIs),1995
2. ANSI A208.1. American National Standard for particleboard, 1993.
3. ANSI A208.2. American National Standard for medium density fiberboard, 1994.
4. BSR/ASHRAE Standard 62-1989 — ventilation for acceptable indoor air quality,1989
5. BSR/ASHRAE Standard 62-1989R (public review draft) — ventilation for acceptable indoor air quality,1996