TECHNICAL SUPPORT DOCUMENT TO THE DEVELOPMENT OF THE SOUTH AFRICAN SLUDGE GUIDELINES: VOLUME 3: REQUIREMENTS FOR THE ON-SITE AND OFF-SITE DISPOSAL OF SLUDGE. TECHNICAL SUPPORT DOCUMENT TO THE DEVELOPMENT OF THE SOUTH AFRICAN SLUDGE GUIDELINES: VOLUME 3: REQUIREMENTS FOR THE ON-SITE AND OFF-SITE DISPOSAL OF SLUDGE. Posted in .