WHO
The Health Product Declaration Collaborative is a customer-led organization for companies and individuals committed to the continuous improvement of the building industry’s environmental and health performance, through transparency and innovation in the building product supply chain.

WHAT

 The Health Product Declaration Open Standard is a standard format that systematizes reporting language to enable transparent disclosure of information regarding building product content and associated health information, by defining the critical information that is needed by building designers, specifiers, owners and users

HOW
It is an open standard, freely available to all.