EXHIBIT 23.2


The Board of Directors
EMCON


               Consent of Ernst & Young, LLP Independent Auditors


We consent to the incorporation by reference in the Registration Statement (Form
S-8) pertaining to the EMCON 1998 Stock Option Plan of our report dated February
18, 1998, with respect to the consolidated  financial statements and schedule of
EMCON included and/or incorporated by reference in its Annual Report (Form 10-K)
for the year ended  December 31, 1997,  filed with the  Securities  and Exchange
Commission.

                                                        /s/ Ernst & Young, LLP
                                                        ------------------------
                                                        Ernst & Young, LLP


San Francisco, California
August 6, 1998

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