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The Centre for Isotope Research (CIO) at the University of Groningen has operated a radiocarbon (14C) dating laboratory for almost 70 years. In 2017, the CIO received a major upgrade, which involved the relocation of the laboratory to new purpose-built premises, and the installation of a MICADAS accelerator mass spectrometer. This period of transition provides an opportunity to update the laboratory’s routine procedures. This article addresses all of the processes and quality checks the CIO has in place for registering, tracking and pretreating samples for radiocarbon dating. Complementary updates relating to radioisotope measurement and uncertainty propagation will be provided in other forthcoming publications. Here, the intention is to relay all the practical information regarding the chemical preparation of samples, and to provide a concise explanation as to why each step is deemed necessary.
This article asks whether firms should contribute to the costs of procreation and parenthood. We explore two sets of arguments. First, we ask what the principle of fair play – central in parental justice debates – implies. We argue that if one defends a pro-sharing view, firms are required to shoulder part of the costs of procreation and parenthood. Second, we turn to the principle of fair equality of opportunity. We argue that compensating firms for costs they incur because their employees decide to procreate or parent may undermine some of the incentives leading to (statistical) discrimination in the workplace.