DEQ: 3rd heavy metal found in SE Portland air
(KOIN) — Bullseye Glass Company in Southeast Portland and Uroboros in North Portland have agreed to stop using all cadmium and arsenic in their manufacturing, along with a third and more toxic metal, chromium. The Oregon Department of Environmental …
Hexavalent chromium, cancer agent, pulled by two Portland glass manufacturersOregonLive.com
Health Officials Warn Of Third Heavy Metal In Portland AirOPB News
DEQ says Portland polluters will cut chemical emissionsPortland Tribune
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