Rule 424(b)(3) 		Registration Statement on 			Form S-3, File No. 333-10945 Supplement dated December 24, 1996 to Prospectus dated October 4, 1996 	On September 12, 1996 the Board of Directors adopted a resolution to change the name of U.S. Alcohol Testing of America, Inc. ("USAT") to Substance Abuse Technologies, Inc. ("SAT") to better reflect the synergistic operations of USAT and its subsidiaries. The stockholders of USAT approved the name change at the Annual Meeting of Stockholders held on October 22, 1996. The name change became effective on October 28, 1996. 	On October 21, 1996, Lyle K. Pfeffer, a Selling Stockholder named in the Prospectus, transferred to certain individuals (the "Transferees") his right to purchase 145,000 of the 700,000 shares of the USAT Common Stock issuable upon the exercise of the February 26 Warrant, and the exercise price was changed from $2.4375 to $2.00 per share in consideration of an interest free loan which he made to USAT. The Selling Stockholder table on page 13 of the Prospectus is revised to reflect the change in the number of shares being offered by Lyle K. Pfeffer, the new exercise price, and to include the Transferees as Selling Stockholders as follows: 		 Number of Shares		 Percentage(1) -------------------- ----------------- Name		 Before Offered After		 Before	 After ---- ------ ------- ----- ------ ----- Lyle K. Pfeffer	 555,000(28)	 555,000(28)	 0	 	1.5		 0 Jerome Finklestein	 30,000(39)	 30,000(39)	 0	 	nil		 0 Jacob Rahmaman	 40,000(39)	 40,000(39)	 0 	 	nil		 0 Arnold Palmer		 50,000(39)	 50,000(39)	 0	 	nil		 0 Craig Wertkin		 15,000(39)	 15,000(39)	 0	 	nil		 0 Yohan Naraine	 10,000(39)	 10,000(39)	 0		 nil		 0 <FN>			 	(28)	The shares reported in the table reflect shares issuable upon the exercise at $2.00 per share of the February 26 Warrant issued to the Selling Stockholder for his financial public relations consulting services. 	(39)	The shares reported in the table reflect shares of the USAT Common Stock issuable upon the exercise at $2.00 per share of a February 26 Warrant transferred by Lyle K. Pfeffer, who received the same for his financial public relations consulting services. 	On October 31, 1996 an aggregate of 1,178,356 shares issuable upon the exercise of Common Stock purchase warrants offered by certain of the Selling Stockholders listed in the table on page 19 of the Prospectus expired so that such shares are no longer being offered and the following Selling Stockholders and their corresponding shares are deleted from such table. 			Name					Number of Shares WG Trading Company LP			 225,000 Guli R. Rajani				 	 56,250 Norman Shifrin					 149,720 Ruby Balter					 56,250 Arnold Balter, IRA Rollover		 56,250 Lori Balter					 14,062 Joan Kaufman					 28,125 Douglas Black				 	 126,562 Irmgard Kaufhold				 35,705 Harold Edrich					 6,060 Jay M. Kulkin					 14,062 Lee Frank					 	 70,312 Jeffrey S. Podell				 14,062 Mitchell Weisner				 28,125 Phillip A. Witt				 14,062 Richard Vitello				 14,062 Morris B. Black				 225,000 Gabriel Mark Cerrone			 14,062 Rosalia Cerrone				 28,125 	 	In November 1996, the 437,500 shares issuable upon the exercise of stock options offered by the Selling Stockholders listed in the table on page 17 of the Prospectus expired so that such shares are no longer being offered and such table is deleted in its entirety. 	On December 3, 1996 the exercise price of a warrant expiring November 15, 2000 issued to Lee S. Rosen, a Selling Stockholder named in the Prospectus and also a director of SAT, to purchase 150,000 shares of the Common Stock, was changed from $4.00 to $2.00 per share in consideration of his fulfilling an obligation of SAT. 	On December 6, 1996 the exercise price of (1) the May 20 Warrant issued to Robert Stutman, a Selling Stockholder named in the Prospectus and a director, Chairman of the Board and Chief Executive Officer of SAT, to purchase 474,750 shares of the Common Stock and (2) the May 20 Warrant issued to Brian L. Stutman, a Selling Stockholder named in the Prospectus and also a Vice President of SAT effective December 3, 1996, to purchase 317,250 shares of the Common Stock, were changed from $3.125 to $2.125 per share in consideration for Messrs. Robert and Brian Stutman relinquishing their security interests in certain of the personal property of SAT and agreeing that their promissory notes due May 21, 1997 from SAT could not be repaid except in shares of the SAT Common Stock in order to permit SAT to obtain $5,000,000 in gross proceeds from a private placement of Convertible Notes due November 8, 1999.