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Agency testing reveals no harmful minerals in Yacolt Mt. Quarry samples

A recent study by the Southwest Clean Air Agency (SWCAA) and EPA has found no erionite present in 12 locations sampled in and around the mine site.

Read more here: https://www.clarkcountytoday.com/news/agency-testing-reveals-no-harmful-minerals-in-yacolt-mt-quarry-samples/

Sarah Wilkins subscriber

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