ISO 21007-1:2005 Gas cylinders - Identification and marking using radio frequency identification technology - Part 1: Reference architecture and terminology
ISO 24510:2007 Activities relating to drinking water and wastewater services - Guidelines for the assessment and for the improvement of the service to users
ISO 24511:2007 Activities relating to drinking water and wastewater services - Guidelines for the management of wastewater utilities and for the assessment of wastewater services
ISO 24512:2007 Activities relating to drinking water and wastewater services - Guidelines for the management of drinking water utilities and for the assessment of drinking water services