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Reducing chemical exposures at home: opportunities for action


Indoor environments can influence human environmental chemical exposures and, ultimately, public health. Furniture, electronics, personal care and cleaning products, floor coverings and other consumer products contain chemicals that can end up in the indoor air and settled dust. Consumer product chemicals such as phthalates, phenols, flame retardants and per- and polyfluorinated alkyl substances are widely detected in the US general population, including vulnerable populations, and are associated with adverse health effects such as reproductive and endocrine toxicity. We discuss the implications of our recent meta-analysis describing the patterns of chemical exposures and the ubiquity of multiple chemicals in indoor environments. To reduce the likelihood of exposures to these toxic chemicals, we then discuss approaches for exposure mitigation: targeting individual behaviour change, household maintenance and purchasing decisions, consumer advocacy and corporate responsibility in consumer markets, and regulatory action via state/federal policies. There is a need to further develop evidence-based strategies for chemical exposure reduction in each of these areas, given the multi-factorial nature of the problem. Further identifying those at greatest risk; understanding the individual, household and community factors that influence indoor chemical exposures; and developing options for mitigation may substantially improve individuals’ exposures and health.

  • consumer product chemicals
  • indoor dust
  • environmental policy
  • flame retardants
  • phthalates

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  • Contributors ARZ, RED, SDM, VS and GA jointly conceptualised the work. All authors contributed to the writing and editing of the manuscript. ARZ prepared the manuscript for publication. All authors read and approved the final manuscript.

  • Funding This work was supported by grants from the National Institutes of Environmental Health Sciences (NIEHS; R00ES019881, T32ES007069), charitable donations to Silent Spring Institute, The Cedar Tree Foundation, and the Passport Foundation.

  • Competing interests None declared.

  • Provenance and peer review Commissioned; externally peer reviewed.

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