What is the hold time for samples analyzed for specific conductance?

The hold time for samples analyzed for specific conductance is established to ensure that the integrity and reliability of the sample data are maintained. A hold time of 28 days is specified as it allows for the preservation of the sample in conditions that minimize changes in the measurable properties of the water. This duration is aligned with the guidelines outlined by various regulatory agencies and laboratory standards, ensuring that any analyses performed reflect accurate and current conditions of the water source.

It's essential to respect this hold time, as going beyond this period could lead to alterations in the sample's composition, which in turn could skew the results and lead to inaccurate conclusions about the water's specific conductance. Since specific conductance can be influenced by factors such as temperature and ion concentration over time, adhering to the 28-day hold time is crucial for maintaining data quality and supporting valid interpretations of the sampling results.