Exhibit 15.2

December 22, 2010

Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549

Commissioners:

We are aware that our reports dated November 8, 2010, August 5, 2010 and May 7, 2010 on our reviews of interim financial information of Tenneco, Inc. for the three and nine month periods ended September 30, 2010, the three and six month periods ended June 30, 2010 and the three month period ended March 31, 2010, respectively, are included in the Company’s quarterly reports on Form 10-Q for the quarters ended September 30, 2010, June 30, 2010 and March 31, 2010 and are incorporated by reference in its Registration Statement on Form S-4 dated December 22, 2010.

Very truly yours,

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP