1.1 R 100-1:2013 and R 100-2:2013 provide requirements for defining, testing and verifying the performance of atomic absorption spectrometer (AAS) systems when used for measurements of metal pollutants in water as mandated by national laws and regulations. 1.2 This test report is mandatory in the context of the OIML Certificate System, but may also be used for other purposes. It shall include the information below.