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PROBLEMS OF AIR POLLUTION IN THE

DISTRICT OF COLUMBIA

JOINT HEARINGS

BEFORE THE

SUBCOMMITTEE ON BUSINESS AND COMMERCE.

AND

SUBCOMMITTEE ON PUBLIC HEALTH,
EDUCATION, WELFARE, AND SAFETY

OF THE

S.C.17233, Senjata. COMMITTEE ON

THE DISTRICT OF COLUMBIA.

UNITED STATES SENATE

NINETIETH CONGRESS

FIRST SESSION

ON

PROBLEMS OF AIR POLLUTION IN THE DISTRICT OF COLUMBIA

MARCH 8, 9, 13, 14, 15, AND 16, 1967

Printed for the use of the Committee on the District of Columbia

U.S. GOVERNMENT PRINTING OFFICE

WASHINGTON : 1967

77-536 O

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