Exhibit 23.2

       Consent of Independent Certified Public Accountants



Insituform Technologies, Inc.
Chesterfield, Missouri



     We hereby consent to the incorporation by reference in
Registration Statement No. 33-82486 on Form S-8, Registration
Statement No. 33-82488 on Form S-8 and Registration Statement No.
33-63953 on Form S-8 of our report dated March 8, 1996, except for
Note 13 which is as of March 26, 1997, relating to the consolidated
financial statements of Insituform Technologies, Inc. appearing in
the Company's Annual Report on Form 10-K for the year ended
December 31, 1997.





                                   BDO SEIDMAN, LLP



Memphis, Tennessee
March 26, 1998