CBS Evening News for Wednesday, Jul 29, 1970
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(Studio) Mercury industry by-product dumped into waters; Senate committee opens hearings; Senator Philip Hart says mercury pollution worst environmental crisis; Ralph Nader wants emergency legislature; hearings focus on Lake Saint Clair, Michigan. and Detroit River.
REPORTER: Walter Cronkite
(Lake Saint Clair, Michigan) Fishermen can't keep catch. [Dr. Maurice REIZEN - describes effects of mercury on humans.] Dow Chemical Company and Wyandotte Chemical Company major Polluters; both building mercury recycling systems. [Michigan State University Prof. Frank D' ITRI - says wants stiffer legislature] Fishing ban has cost Michigan millions. [Raymond TROMBLEY - believes eating fish should be individual choice.] [REIZEN - says can't take chance of people being poisoned.] Little really known about mercury effects; research conts.
REPORTER: Bill Plante
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