As a follow up to Terry's answer.  When doing this test, block in the normal blowdown.  The decay will then be drift and misc.  water losses.  The controlled blowdown can be measured by other control methods.

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As a follow up to Terry's answer.  When doing this test, block in the normal blowdown.  The decay will then be drift and misc.  water losses.  The controlled blowdown can be measured by other control methods.