UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	September 7, 2006

Form:	S-3
CIK: 0001315257 Company Name: Koppers Holdings Inc. File Number: 333-136329
CIK: 0000916075 Company Name: KOPPERS INC File Number: 333-136329-12
CIK: 0001275824 Company Name: WORLD WIDE VENTURES CORP File Number: 333-136329-11
CIK: 0001275822 Company Name: KOPPERS CONCRETE PRODUCTS INC File Number: 333-136329-10
CIK: 0001275821 Company Name: CONCRETE PARTNERS INC File Number: 333-136329-09
CIK: 0001053719 Company Name: KOPPERS DELAWARE INC File Number: 333-136329-08
CIK: 0001275826 Company Name: KOPPERS REDEMPTION INC File Number: 333-136329-07
CIK: 0001275918 Company Name: KOPPERS AUSTRALIA HOLDING CO PTY LTD File Number: 333-136329-06
CIK: 0001053718 Company Name: KOPPERS AUSTRALIA PTY LTD File Number: 333-136329-05
CIK: 0001275921 Company Name: KOPPERS CARBON MATERIALS & CHEMICALS PTY LTD File Number: 333-136329-04
CIK: 0001276071 Company Name: KOPPERS WOOD PRODUCTS PTY LTD File Number: 333-136329-03
CIK: 0001276074 Company Name: CONTINENTAL CARBON AUSTRALIA PTY LTD File Number: 333-136329-02
CIK: 0001276073 Company Name: KOPPERS SHIPPING PTY LTD File Number: 333-136329-01