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(b) The Secretary may exempt from some or all of the 
requirements of subsection (a) any category of activities he 
finds poses no significant risk to health or the environment 
(1) because of the nature of those activities, or (2) because 
the category is adequately regulated under other Federal 
law. 
STANDARDS 
Sec. 4. (a) For purposes of protecting the health and 
safety of individuals who work with recombinant DNA, the 
health and safety of the public at large, and the integrity of 
the environment, the Secretary — 
(1) shall, no later than ninety days after the en- 
actment of this Act, promulgate (without regard to 
section 102(2) (C) of the National Environmental 
Policy Act of 1969 or 5 U.S.C. 553) as interim stand- 
ards applying to the production or possession of recom- 
binant DNA the Recombinant DNA Research Guide- 
lines (41 Fed. Reg. 27901 (1976) ), with such modi- 
fications as he finds are needed, 
(2) shall, no later than one hundred and eighty days 
after the promulgation of interim standards under clause 
( 1 ) , initiate procedures to promulgate final standards 
applying to the production or possession of recombinant 
DNA, 
(3) shall, no later than one year after the promulga- 
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