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This guidance is primarily aimed at public procurers involved in a range of contracting agreements related to building materials and products. This includes the purchase of building materials for construction works, but may also extend to material extraction, manufacturing, building, retrofit, refurbishment, design, interior fit out, and end-of-life demolition or deconstruction processes. There are a variety of roles within the procurement cycle that the guidance can support, from commissioning, category management, tender preparation and evaluation, to contract management.

UNEP's new Eco-innovation Building Materials Supplement was created to respond to the building material sector's need for more guidance in building resilient, competitive, and sustainable business models for SMEs. Designed together with Bioregional, pilot implementation support of the National Cleaner Production Centre (NCPC) Sri Lanka and to be read alongside UNEP's Eco-innovation Manual, the supplement provides specific examples, learning case studies, and advice on applying the eco-innovation methodology within the building materials value chain.

This study aims to predict human exposure to pollutants and heating load in buildings by developing a numerical model coupling heat and chemical transfers in the building envelope. The study characterizes the effect of temperature and air renewal rate on chemical emissions from building materials and human exposure. The results show that increasing indoor temperature by 10°C doubles the maximum indoor air concentration of volatile and semi-volatile organic compounds, leading to increased human exposure. The study also finds that higher air renewal rates lead to smaller intake fractions of pollutants from building materials. The study highlights the need to guide early design choices towards a good compromise between human indoor exposure and heating load, especially with the increasing emphasis on energy-efficient building design.

This is a pre-print manuscript pending publication in open access scientific journals.

This document has been developed within the framework of the Global Environment Facility (GEF) project ID: 9771 on Global Best Practices on Emerging Chemical Policy Issues of Concern under the Strategic Approach to International Chemicals Management (SAICM).

Chemical management and risk assessment frameworks rely on regulatory toxicity values, but these are available for only a small fraction of commercialized chemicals due to limited available data. To address this gap, the study aims to expand the coverage of chemicals for which toxicity values can be derived by determining surrogate inhalation route points of departure (PODs) and corresponding toxicity values where regulatory assessments are lacking. In vivo data from the U.S. EPA's Toxicity Value Database were curated and selected, and effect values were adjusted to chronic human equivalent benchmark concentrations (BMC_h) using the WHO/IPCS framework. Chemical-specific PODs are crucial for evaluating potential risks and toxicological impacts from chemical exposures, and the statistically derived BMCL or LOAEC/NOAEC are typically used as candidate PODs for toxicity value derivation.

This is a pre-print manuscript pending publication in open access scientific journals.

This document has been developed within the framework of the Global Environment Facility (GEF) project ID: 9771 on Global Best Practices on Emerging Chemical Policy Issues of Concern under the Strategic Approach to International Chemicals Management (SAICM).

The study examines the near-field exposures and health risks of organic chemicals in interior paints commonly used in Sri Lanka. The researchers developed mass balance-based and high-throughput models to predict chemical emissions during wet and dry phases and integrated these models into the USEtox model for health risk assessment. The models accurately predicted indoor air concentrations and drying time. They found that inhalation is the primary exposure pathway, and exposure is much higher for painters during application than for household members during use. The study identified chemicals of concern and recommended the use of protective equipment for painters and increasing air ventilation rates to reduce exposure for household members.

This is a pre-print manuscript pending publication in open access scientific journals.

This document has been developed within the framework of the Global Environment Facility (GEF) project ID: 9771 on Global Best Practices on Emerging Chemical Policy Issues of Concern under the Strategic Approach to International Chemicals Management (SAICM).

Green public procurement specification for general construction and flooring adhesives. The goal of the specification is to set to set a hierarchy of flooring covering preferences, establish minimum environmental goals for flooring installations in state properties, and provide recommendations for additional aspects of flooring performance, cleaning and maintenance for a healthier indoor environment.

UNEP's new Eco-innovation Electronics Supplement was created to respond to the electronics sector's need for more guidance in building resilient, competitive, and sustainable business models for SMEs. Designed together with the World Resources Forum and to be read alongside UNEP's Eco-innovation (Eco-i) Manual, the supplement provides electronics specific examples, learning case studies, and advice on applying the eco-innovation methodology and its opportunities in the electronic sector.

This publication was prepared under the framework of the Global Environment Facility (GEF) full-sized project 9771: Global best practices on emerging chemical policy issues of concern under the Strategic Approach to International Chemicals Management (SAICM). This project is funded by the GEF, implemented by UNEP and executed by the SAICM Secretariat.

This guidance addresses the role that sustainable procurement can play in managing chemicals of concern in electronic and electrical equipment procured across the public sector, during their entire lifecycle. It is primarily addressed to public procurers as well as those responsible for the procurement of waste management solutions at end-of-life for electronics equipment.

This guidance is aimed at helping procurement practitioners implement policies on chemicals management through sustainable procurement approaches and tools such as market dialogue, criteria and ecolabels.