BQS ORGANIC BLIND SAMPLES
2,4-D METHYL ESTER,
Schedule: 2060 Testid: 50470LCM29
Measured in MICROGRAMS PER LITER
02/09/07 TO 12/05/12
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
2,4-D METHYL ESTER

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 21 84% 13% 84% 9%
>= Reporting Level 55 88% 30% 83% 13%
Total 76 87% 26% 84% 11%

Miscellaneous Statistics for the Samples
2,4-D METHYL ESTER

Characteristic N % % Basis
Plotted 76 97% Spiked
Estimated Values 68 87% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 1 1% Spiked
Spiked 78 .  
False Negatives 1 1% 1 out of 78
Not Spiked 118 .  
False Positives 2 2% 2 out of 118