Appendix IV 
1525 18th Street, NW, Washington, D.C. 20036 • 202/833-1484 
November 11, 1976 
The Honorable David Mathews 
Secretary 
Department of Health, Education & Welfare 
South Portal Building, Room 615 F 
200 Independence Avenue, S. W. 
Washington, D. C. 20201 
Dear Dr. Mathews: 
The Environmental Defense Fund and the Natural Resources 
Defense Council hereby submit to you a petition concerning 
the regulation of recombinant DNA research and technology. 
We would very much appreciate your giving this matter prompt 
attention. 
Enclosed also are copies of letters from Dr. Robert L. 
Sinsheimer of the California Institute of Technology and 
Mr. Alan McGowan, President, Scientists' Institute for Public 
Information. 
Sincerely yours 
1 SB. . 
Staff Scientist 
Environmental Defense Fund 
OFFICES IN: EAST 3CTAUKET. NY (MAIN 
OFFICE): NEW YORK CITY (PROGRAM SUPPORT OFFICE): WASHINGTON. DC: BERKELEY. CALIFORNIA; DENVER. COLORADO 
Frlnttd on 100 % Rocycttd Pipor 
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