Through a consensus-based process, HPD Collaborative (HPDC) develops the Health Product Declaration (HPD) Open Standard, the leading, open standard for transparency reporting in the building industry. Using the HPD Open Standard, manufacturers can be confident that they are following accepted industry best practice. By asking for HPD reports, designers can be confident that they are using accurate, reliable and consistent information to make product selection and specification. A not-for-profit member organization, HPDC has over 250 member organizations, representing over 600 practitioners. (less)