Small sewage treatment plants - Part 1: Plants for waste water pretreatment
Edition 2010-10

Small sewage treatment plants - Part 5: Infiltration of aerobic biologically treated domestic wastewater
Edition 2012-10

Wastewater treatment plants - Rectangular tanks - Part 1: Settlement tanks with sludge scraper, suction type sludge remover and chain scraper; Types, main dimensions, equipments
Edition 2002-12

Wastewater treatment plants - Rectangular tanks - Part 3: Grit chambers with suction type sludge remover and sludge scraper; Types, main dimensions, equipment
Edition 2002-12

Wastewater treatment plants - Circular tanks - Settlement tanks with sludge scraper, suction type sludge remover and thickener; Types, main dimensions, equipment
Edition 2002-12

Wastewater treatment plants - Trickling filter with rotary distributor - Main dimensions and equipment
Edition 2002-12

Wastewater treatment plants - Trough with shutoff device - Main dimensions
Edition 2004-03

Wastewater treatment plants - Mineral filter media and plastic media for percolating filters - Requirements, testing, delivery, placing
Edition 2004-01

Wastewater treatment plants - Outlet installations, weir and scum baffle, submerged effluent pipes in tanks - Construction principles, main dimensions, layout
Edition 2002-12

Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 2: Specific principles for the equipment for separating and thickening of solids (without facilities for separation and treatment of sand)
Edition 2017-09