BQS ORGANIC BLIND SAMPLES
3,3^-DICHLOROBENZIDINE
Permanently Estimated Compound
Schedule: 1383 Testid: 34631GCM55
02/01/08 TO 03/20/12
Open Data Set

Plot of pctrecov by newdate

Statistics for the Plotted Points
3,3^-DICHLOROBENZIDINE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 39 23% 13% 22% 9%
Total 39 23% 13% 22% 9%

Miscellaneous Statistics for the Samples
3,3^-DICHLOROBENZIDINE

Characteristic N % % Basis
Plotted 39 80% Spiked
Estimated Values 39 80% Spiked
Deleted Values 19 14% Spiked + Not Spiked
Spiked, Censored 2 4% Spiked
Spiked 54 .  
False Negatives 8 16% 8 out of 49
Not Spiked 86 .  
False Positives 0 0% 0 out of 72