NBC Evening News for Wednesday, Nov 15, 1978
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(Studio) Dow Chemical Company's claim that all dioxin isn't its product reported Background of dioxin use, include that as defoliating agent during Vietnam war, recalled.
REPORTER: John Chancellor
(Midland, Michigan) Midland, Michigan, scenes shown. Dow's denial that dioxin pollutant in Midland, Michigan, river is its product reported Dow report says dioxin comes from any combustion. [Dow Chemical Company Dr. Robert BUMBO - says chemical exists as consequence of nature.] [Brookhaven National Lab Dr. Leonard HAMILTON - advises caution in judgment of Dow report] [WA Univ. Barry COMMONER - blames chemical products.] Other scientists quoted.
REPORTER: Robert Bazell (KSD-TV tape)