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Relations between
TL
D
AL
D
s
and
a
ESTRO Physics Booklet #10
Dosimetric tolerance set to
± 6%
Different measurements
standard deviations (σ)
What is the Action level (δ)
if I set the confidence level
in 95% (
=5%)?
AL
+
= 6-2=4
AL
+
= 6-6=0