strathspey@strathspey.org:44565

SMiskoe

Re: QC/KC - was Emcee

March 8, 2006, 2:23 p.m. (Message 44565, in reply to message 44552)

In a message dated 3/8/2006 7:41:52 A.M. Eastern Standard Time,  
xxxxxx-xx@xxxxxxx.xx.xx writes:

This is  an instance of where I was floored by Sylvia's definition of QC as  
'quality control', a definition I haven't seen  used.


It all depends on where you are coming from.  As a microbiologist and  state 
inspector of all sorts of medical laboratories (recently retired) I have  
spent hours reviewing QC records of daily testing.  The QC test is the  'reality 
test'.  The answer is always known and if you do a test run and  the QC is 
within the limits of the known value you can feel assured that the  other sample 
results were valid.  On the other hand when the QC test  doesn't give you the 
correct answer, you can assume the whole test run is  incorrect......  And 
start over.
Sylvia Miskoe, Concord, NH USA