But in the meantime, the organization urges policymakers to consider piping made of simpler, less chemical-laden materials, like copper or stainless steel.

Source: https://grist.org/regulation/as-states-replace-lead-pipes-plastic-alternatives-could-bring-new-risks/

Police warned people in Hamburg, Germany, to close their windows early Sunday after a large fire that engulfed several warehouses sent black, chemical-laden smoke drifting over the city.

Source: https://www.sandiegouniontribune.com/news/nation-world/story/2023-04-09/germany-hamburg-fire-smoke-halts-trains-generates-warning