POWER OF ATTORNEY
Know all men by these presents, that the undersigned
hereby constitutes and appoints Roy T. Rimmer, Jr. as his true
and lawful attorney-in-fact and agent, with full power of
substitution, for him and in his name, place and stead in
any and all capacities to sign any or all Forms 3, Forms 4
and Schedules 13D and all amendments thereto required by the
provisions of the Securities Exchange Act of 1934 pertaining
to ITEQ. Inc. and to file the same with all exhibits
thereto and other documents in connection therewith,
with the Securities and Exchange Commission, granting unto said
Attorney-in-fact and agent or any of them, or his substitute
or substitutes, 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, as fully to all intents and
purposes as he might or could do in person, thereby
ratifying and confirming all that said attorneys-in-fact and
agent, or his substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.
Dated: March 15, 2000 /s/ Lacy J. Harber
