TECHNICAL SUPPORT DOCUMENT TO THE DEVELOPMENT OF THE SOUTH AFRICAN SLUDGE GUIDELINES: VOLUME 5: REQUIREMENTS FOR THERMAL SLUDGE MANAGEMENT PRACTICES AND FOR COMMERCIAL PRODUCTS CONTAINING SLUDGE. TECHNICAL SUPPORT DOCUMENT TO THE DEVELOPMENT OF THE SOUTH AFRICAN SLUDGE GUIDELINES: VOLUME 5: REQUIREMENTS FOR THERMAL SLUDGE MANAGEMENT PRACTICES AND FOR COMMERCIAL PRODUCTS CONTAINING SLUDGE. Posted in .