Sampling point at Aberffraw Aberffraw sample assessment for 2013-W18 Aberffraw sample assessment for 2013-W20 Aberffraw sample assessment for 2013-W21 Aberffraw sample assessment for 2013-W22 Aberffraw sample assessment for 2013-W23 Aberffraw sample assessment for 2013-W24 Aberffraw sample assessment for 2013-W25 Aberffraw sample assessment for 2013-W26 Aberffraw sample assessment for 2013-W27 Aberffraw sample assessment for 2013-W28 0 1 10