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ant to a request made under section 552 (a) of title 5, 
2 United States Code, such notice shall be given immediately 
3 upon approval of such request by the Secretary or oominit- 
4 tee. The Secretary or committee may not release such data 
5 until die expiration of thirty days after the individual or 
6 entity submitting such data has received the notice required 
7 by this subparagraph. 
8 “(B) Subparagraph (A) shall not apply to the release 
9 of information under paragraph (1), (2 ), or (3) of subsec- 
10 tion (a) except that the Secretary or committee may not 
11 release data under paragraph (2) of subsection (a) unless 
12 the Secretary or committee has notified each individual or 
13 entity who submitted such data of such release. Such notice 
14 shall be made in writing by certified mail at least fifteen days 
15 before the release of such data, except that if the Secretary 
16 or committee determines that the release of such data is nec- 
17 essary to protect against an imminent, unreasonable risk of 
18 injury to health or the environment, such notice may be made 
19 by such means as the Secretary or committee determines will 
20 provide notice at least 24 hours before such release is made. 
21 “ (c) Any officer or employee of the United States or 
22 member or employee of a local biohazards committee or for- 
23 mer officer or employee of the United States or former mem- 
24 ber or employee of such a committee, who by virtue of such 
25 employment or official position has obtained possession of, or 
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