ISO 5667-3:1994 Water quality - Sampling - Part 3: Guidance on the preservation and handling of samples
ISO 8466-1:1990 Water quality; calibration and evaluation of analytical methods and estimation of performance characteristics; part 1: statistical evaluation of the linear calibration function
EN ISO 9377-2:2000 history
2000EN ISO 9377-2:2000 Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction and gas chromatography