1 Exhibit 99.(a)(2) AMENDMENT TO PURCHASE AGREEMENT This amendment is made and entered into as of August 14, 2000 by and between Futureco Environmental, Inc., a Delaware corporation ("Futureco") and the undersigned stockholder ("Holder") of GZA...Purchase Agreement • September 19th, 2000 • Gza Geoenvironmental Technologies Inc • Hazardous waste management
