BQS ORGANIC BLIND SAMPLES
4-CUMYLPHENOL,
Schedule: 1433 Testid: 62060GCM37
Measured in MICROGRAMS PER LITER
02/13/07 TO 01/23/13
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
4-CUMYLPHENOL

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 89 76% 26% 77% 25%
Total 89 76% 26% 77% 25%

Miscellaneous Statistics for the Samples
4-CUMYLPHENOL

Characteristic N % % Basis
Plotted 89 97% Spiked
Estimated Values 9 10% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 93 .  
False Negatives 3 3% 3 out of 92
Not Spiked 107 .  
False Positives 0 0% 0 out of 107