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SMPR Key Points: Screening Method
Parameter Parameter Requirements
Target Test
Concentration
Minimum
Acceptable
R lt esu s
n
POD @ low
Minimum of 33 replicates
per matrix type, spiked at
100 ppm
90% POD
§
y Validatio
concentration or below the designated
low level target test conc.
Laborator
POD @ high
concentration
Minimum of 5 replicates
per matrix type spiked at
10x the designated low
10 x low conc. 100% correct
analyses are
Single
level target test conc.
expected per
matrix type
POD @ zero
Minimum of 5 replicates
0 ppm
concentration per matrix type.
§
95% confidence interval