23.7 Percentage of water loss (unaccounted for water)

23.7 Hlutfall vatnstaps

The percentage of water loss (unaccounted for water) shall be calculated as the volume of water supplied minus the volume of utilized water (numerator) divided by the total volume of water supplied (denominator). The result shall then be multiplied by 100 and expressed as a percentage.

Hlutfall vatnstaps skal reiknað sem magn vatns sem er afhent að frádregnu rúmmáli notaðs vatns (teljari) deilt með heildarmagni vatns sem dælt er upp (nefnari). Niðurstaðan skal margfölduð með 100 og gefin upp sem prósenta.

iso37120-2018:_23.7_percentage_of_water_loss_(unaccounted_for_water)_4364