OBSP Determination:
ACROLEIN
METHOD: 4437 , TESTIDCODE: 34210GM016

Analysis Date = 01/22/16 SpikeMix = NSI 050515HVOC: 25 µl & ERA 0601-15-05: 25 µl Pct Recovery = 127% Analysis Date = 03/22/16 SpikeMix = Supelco LC13544: 10 µl & NSI 050515HVOC: 10 µl Pct Recovery = 50% Y = 1.5 Y = 0.5 Y = 1
The SGPlot Procedure

Plotted Points Statistics
ACROLEIN

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 2 88% 54% 88% 57%
Total 2 88% 54% 88% 57%

Sample Statistics
ACROLEIN

Characteristic N % % Basis
Plotted 2 100% Spiked
Estimated Values 2 100% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 2 .  
False Negatives 0 0% 0 out of 2
Not Spiked 1 .  
False Positives 0 0% 0 out of 1