Referencia	Título	Categoría
ISO/TC 69/SC 6/WG 1	Accuracy of measurement methods and results	C
ISO/TC 69/SC 6/WG 7	Statistical methods to support measurement uncertainty evaluation	C
ISO/TC 334/AG 2	Liaison coordination	C
ISO/TC 334/WG 8	Quality control materials	C
ISO/TC 334/WG 10	RM Terms and definitions	C
ISO/TC 334/WG 13	Qualitative reference materials	C

Notas

Liaisons A: Organizations that make an effective contribution to the work of the technical committee or subcommittee for questions dealt with by this technical committee or subcommittee. 
Liaisons B: Organizations that have indicated a wish to be kept informed of the work of the technical committee or subcommittee. 
Liaisons C: Organizations that make a technical contribution to and participate actively in the work of a working group.