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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 LS7oa89mV/J4b74of6emC9KUqgqTc5U8J2bE06n7SPg9+Wv/aP7n3dMIlHIuTdyJ
 01+9ok/ELzvF1DBRHSS18w==

<SEC-DOCUMENT>9999999997-09-022178.txt : 20090707
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ACCESSION NUMBER:		9999999997-09-022178
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081231
FILED AS OF DATE:		20090629
DATE AS OF CHANGE:		20090707

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARCH CHEMICALS INC
		CENTRAL INDEX KEY:			0001072343
		STANDARD INDUSTRIAL CLASSIFICATION:	CHEMICALS & ALLIED PRODUCTS [2800]
		IRS NUMBER:				061526315
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

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		SEC ACT:		1934 Act
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		STREET 1:		501 MERRITT 7
		STREET 2:		P O BOX 4500
		CITY:			NORWALK
		STATE:			CT
		ZIP:			06856-4500
		BUSINESS PHONE:		2037503729

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		STREET 1:		501 MERRITT 7
		STREET 2:		P O BOX 4500
		CITY:			NORWALK
		STATE:			CT
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