BQS ORGANIC BLIND SAMPLES
2,4-D,
Schedule: 2060 Testid: 39732LCM29
Measured in MICROGRAMS PER LITER
02/09/07 TO 12/06/12
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
2,4-D

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 10 84% 10% 87% 9%
>= Reporting Level 81 97% 27% 94% 16%
Total 91 96% 26% 92% 15%

Miscellaneous Statistics for the Samples
2,4-D

Characteristic N % % Basis
Plotted 91 99% Spiked
Estimated Values 15 16% Spiked
Deleted Values 0 0% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 92 .  
False Negatives 1 1% 1 out of 92
Not Spiked 104 .  
False Positives 0 0% 0 out of 104