TM93-09 Radon - Discontinuance of duplicate samples for radon-in-water. - Change in window setting for analysis.

The Radiological Advisory Committee (RAC) sponsored by the National Water Quality Laboratory (NWQL) has approved discontinuing analyzing radon samples in duplicate at the NWQL. From 1988 to the present, the NWQL has analyzed all radon-in-water samples in duplicate. The average value from the duplicate analyses is entered into the database, and the individual values from the duplicate analyses are sent to the collector. This approach enabled the collector to check the