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                                                                   EXHIBIT 23(d)



                         CONSENT OF INDEPENDENT AUDITORS



We consent to the reference to our firm under the caption "Experts" and to the
use of our reports on Substance Abuse Technologies, Inc. (formerly U.S. Alcohol
Testing of America, Inc.) and Good Ideas Testing, Inc. dated May 20, 1996, in
the Registration Statement (Amendment No. 2 to Form S-4 No. 333-3734) and
related Prospectus of Substance Abuse Technologies, Inc. for the Registration of
common stock, warrants to purchase common stock, and the Consent Solicitation
Statement to the Minority Stockholders of Good Ideas Enterprises, Inc.



ERNST & YOUNG LLP

/s/ Ernst & Young LLP



Riverside, California
April 14, 1997




                                      E-53