UNITED STATES
ENVIRONMENTAL PROTECTION AGENCY
WASHINGTON, O.C. 20460
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EPA-3 35
A
Environmental News
O'Neill (202) 755-0344
FOR IMMEDIATE RELEASE WEDNESDAY, JANUARY 30, 1974
EPA TO CONSIDER TUSSOCK MOTH/DDT PROBLEM AT WASHINGTON, D.C.
HEARING
The last of five public hearings will be held by the Environ-
mental Protection Agency in Washington, D.C. on a request by the
U.S. Department of Agriculture to use the pesticide DDT against
the tussock moth in the Pacific Northwest this spring.
The D.C. hearing will begin at 8:30 a.m., Friday, February 1,
at the Departmental Auditorium, U.S. Department of Commerce,
Conference Room B, 14th and Constitution Avenue, NW.
Four other hearings on the Agriculture Department DDT request
are taking place in the Pacific Northwest this month.
The request, dated January 3, 19 74, is on an "if needed" basis
pending study of whether the moth population is likely to collapse
naturally from a virus. The request involves the application of
DDT at the rate of .75 pound dissolved in one gallon of fuel oil
per acre. Up to 650,000 acres in the States of Oregon, Washington,
and Idaho may need treatment.
The tussock moth is a native American insect, which in the
caterpillar stage can defoliate Douglas and other fir trees by
eating their needles.
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EPA FORM 1510.1 (REV. »-72)
R-345

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General uses of DDT were banned by EPA effective December 31,
19 72. Last year, the Agency turned down similar requests from the
Agriculture Department and the States of Oregon and Washington.
Under the Federal Insecticide, Fungicide and Rodenticide Act as
amended, Federal and State agencies must have EPA approval for
emergency unregistered uses of pesticides, such as DDT in this
case.
A preliminary list of witnesses shows the National Wildlife
Federation, the National Forest Products Association, the Sierra
Club, and Dow Chemical Company as testifying. Other individuals
and organizations will also testify.
Interested persons may submit written comments on the Agri-
culture Department request through February 4, 1974 to the Office
of Pesticide Programs, EPA, 401 M Street, S.W., Room 545, Mail
Code HM-566, Washington, D.C. 20460.
EPA has indicated that it will decide on the request not
later than March 1/ 19 74.
Attached is a brief list of questions that EPA will be
concerned with at the hearing.
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SPECIFIC AREAS WHICH EPA WOULD LIKE TO HAVE ADDRESSED
AT THE HEARINGS ON THE POSSIBLE
USE OF DDT FOR CONTROL OF THE
TUSSOCK MOTH
1.	Is there presently an emergency in the moth infested areas of the
Pacific Northwest ?
2.	If emergency conditions do exist, is DDT the only available means of
meeting the emergency, or are there alternative control methods which
would provide the necessary degree of pest reduction? Is there reason
to believe that the moth population will decline naturally?
3.	If the use of DDT	does appear necessary, under what conditions should
this pesticide be	applied? What would be the criteria for determining
that the ^raying	is necessary? What research and monitoring should
the beneficiaries	of the control program support?
4.	Is die Forest Service Environmental Impact Statement adequate?

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