EXHIBIT 99.1

						  POWER OF ATTORNEY

							    AND
						CONFIRMING STATEMENT

	    KNOW ALL PERSONS BY
THESE PRESENTS, that I hereby designate, appoint,
and constitute, and
hereby confirm the designation, appointment and constitution
of, each of
Karl A. Stewart, Timothy R. Donovan, Anne E. Frueh, Horace V. Draa,
James
D. Harrington and J. Jeffrey Zimmerman as my true and lawful

attorney-in-fact and agent, with full power of substitution, for me and
in my
name, place and stead, in any and all capacities, to execute and
file on my
behalf all Forms 3, 4 and 5 (including any amendments thereto)
that I may be
required to file with the U.S. Securities and Exchange
Commission and any stock
exchange as a result of my direct or indirect
ownership of, or transactions in,
securities of Tenneco Inc. or its
subsidiary companies. I hereby further grant
unto each said
attorney-in-fact and agent all full power and authority to do and
perform
each and every act and thing requisite and necessary to be done in and

about the premises, fully to all intents and purposes as I might or could
do in
person, hereby ratifying and confirming all that each said
attorney-in-fact and
agent or my substitute or substitutes may lawfully
do or cause to be done by
virtue of the power and authority granted
hereunder to each attorney-in-fact.
The authority of Karl A. Stewart,
Timothy R. Donovan, Anne E. Frueh, Horace V.
Draa, James D. Harrington
and J. Jeffrey Zimmerman under this Power of Attorney
and Confirming
Statement shall continue until I am no longer required to file
Forms 3, 4
and 5 with regard to my direct or indirect ownership of or
transactions
in securities of Tenneco Inc. or its subsidiary companies.

	    I
hereby acknowledge that Karl A. Stewart, Timothy R. Donovan, Anne E.

Frueh, Horace V. Draa, James D. Harrington and J. Jeffrey Zimmerman are
not
assuming any of the undersigned's responsibilities to comply with
Section 16 of
the Securities and Exchange Act of 1934, as amended.



Date:	    January 23, 2006

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Signed:	  /s/
Mitsunobu Takeuchi
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