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                                                                  EXHIBIT 21

                             SUBSIDIARIES OF SAT



                                                              Jurisdiction of           Percentage of
Name of Subsidiary                                            Incorporation             Ownership
- ------------------                                            ---------------           -------------
                                                                                     
Good Ideas Enterprises, Inc.                                      Delaware                  75%

U.S. Drug Testing, Inc.                                           Delaware                  75%

Good Ideas Acquisition Corp.                                      Delaware                 100%

U.S. Drug Acquisition Corp.                                       Delaware                 100%






                                     E-154