The principal leak detection system for primary to secondary leaks is monitoring of the Nitrogen-16 activity in the live steam at the exit of the steam generators (SG). This is supplemented by tritium measurement in the condensate or feedwater, Xenon measurement in the incondensible gases exhausted from the condenser and radioelement detection in the steam generator blowdowns. Tritium is especi...

Application of a Laboratory Information and Management System called MERLIN for the diverse jobs of a laboratory from taking samples to data evaluation. With the MERLIN application the plant has:-easily integrated corporate chemistry specifications-adjusted them to plant specifics, setting of more restrictive thresholds, setting specifications per type, date and frequency-adjusted them to the l...

PROSUR and SIAT Programs It is important that document and procedure configuration controls be managed closely to adequately promote reactor safety. The PROSUR and SIAT Programs provide important elements of this control. PROSUR The Prosur program is a single reference program that encompasses all plant system activities, for example: maintenance, operations, chemistry, surveillance tests. The ...

Comprehensive quality control information system is effectively used to plan, perform, track and evaluate quality control related laboratory activities and some other chemistry duties. This system allows to the performing of the following functions:-Recording of non-standardized samples.-Recording of analytical procedures.-Recording of calibration results.-Calculation of analytical errors.-Auto...

W all have been taught sound practices since childhood. Remember the ol’ dental mantra of “don’t forget to brush your teeth after each meal”? Those instructions were soon augmented with a warning that brushing alone was not enough, and that flossing and regular check-ups were needed to reinforce brushing and prevent the development of dental maladies. Our experience with these routines over our...