Descriptors | Water, Water supply, Potable water, Water supply and waste systems (buildings), Non-metals, Materials in contact with food, Water testing, Organic chemistry, Aromatic hydrocarbons, Aliphatic hydrocarbons, Chemical analysis and testing, Gas chromatography, Mass spectrometry, Identification methods, Leaching, Pipes, Performance, Control samples, Qualitative analysis, Quantitative analysis, Concentration (chemical), Extraction methods of analysis, Samples, Quality assurance, Quality control, Test equipment |