EXHIBIT 4.7 March 20, 1996 CLEAN HARBORS ENVIRONMENTAL SERVICES, INC. CLEAN HARBORS TECHNOLOGY CORPORATION CLEAN HARBORS KINGSTON FACILITY CORPORATION CLEAN HARBORS OF BRAINTREE, INC. CLEAN HARBORS OF CHICAGO, INC. CLEAN HARBORS OF NATICK, INC. CLEAN...Second Amendment to Financing Agreements • March 28th, 1996 • Clean Harbors Inc • Refuse systems
