I am searching for the exact Code of Federal Registration under Title
21 which will show that the US Food and drug has approved the use of
dosage of up to 30 kilogray to decontaminate spices . I would like to
have a copy of
this exact ruling. I learn about the existence of this ruling in the
recently held First World irradiation Congress held in Chicago May 5
to May 7, 2003, with the University of Minesota bring one of the
sponsor

Dear pnri-ga 

This is the extract from the Code that you require.

"[Code of Federal Regulations] 
[Title 21, Volume 3] 
[Revised as of April 1, 2002] From the U.S. Government Printing Office
via GPO Access
[CITE: 21CFR179.26] 
[Page 435-437] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG
ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED)

PART 179--IRRADIATION IN THE PRODUCTION, PROCESSING AND HANDLING OF
FOOD--Table of Contents

Subpart B--Radiation and Radiation Sources Sec. 

179.26 Ionizing radiation for the treatment of food. 

(Extract).......Not to exceed 30 kGy (3 Mrad).
For microbial disinfection of the following dry or dehydrated aromatic
vegetable substances when used as ingredients in small amounts solely
for flavoring or aroma: culinary herbs, seeds, spices, vegetable
seasonings that are used to impart flavor but that are not either
represented as, or appear to be, a vegetable that is eaten for its own
sake, and blends of these aromatic vegetable substances. Turmeric and
paprika may also be irradiated when they are to be used as color
additives. The blends may contain sodium chloride and minor amounts of
dry food ingredients ordinarily used in such blends...."
Source
http://a257.g.akamaitech.net/7/257/2422/14mar20010800/edocket.access.gpo.gov/cfr_2002/aprqtr/21cfr179.26.htm
In pdf format 
http://a257.g.akamaitech.net/7/257/2422/14mar20010800/edocket.access.gpo.gov/cfr_2002/aprqtr/pdf/21cfr179.26.pdf
Index to Part 179 at
http://www.access.gpo.gov/nara/cfr/waisidx_02/21cfr179_02.html

Page also appears at 
http://vm.cfsan.fda.gov/~lrd/CF179-26.HTML

How to obtain copies of the full FDA Regulations
http://www.cfsan.fda.gov/~lrd/ob-reg.html

I hope this answers your question. If it does not, or the answer is
unclear, then please ask for clarification of this research before
rating the answer. I shall respond to the clarification request as
soon as I receive it.
Thank you
answerfinder

Search strategy
30 kGy  "spices"
://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=30+kGy++%22spices%22+

great answer-precisely what we need

Dear pnri-ga,
Glad I could help and thanks for the tip.
answerfinder-ga