1. ISO 14025, ISO 14025:2011-10 Environmental labels and declarations. Type III environmental declarations. Principles and procedures.
2. EN 15804, EN15804+A1:2014 Sustainability of construction works. Environmental Product Declarations. Core rules for the product category of construction products.
3. The Building Information Foundation RTS, Methodology (PCR) for compiling environmental declarations for building products: EPD's published by The Building Information Foundation RTS (2016), 2016.
4. http://epd.rts.fi.
5. the Construction Products Regulation (Regulation (EU) No 305/2011).