BQS ORGANIC BLIND SAMPLES
HEXAHYDROHEXAMETHYLCYCLOPENTABENZOPYRAN (HHCB),
Schedule: 1433 Testid: 62075GCM37
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
HEXAHYDROHEXAMETHYLCYCLOPENTABENZOPYRAN (HHCB)

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 2 84% 11% 84% 11%
>= Reporting Level 65 95% 16% 96% 15%
Total 67 95% 16% 95% 15%

Miscellaneous Statistics for the Samples
HEXAHYDROHEXAMETHYLCYCLOPENTABENZOPYRAN (HHCB)

Characteristic N % % Basis
Plotted 67 100% Spiked
Estimated Values 4 6% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 68 .  
False Negatives 0 0% 0 out of 67
Not Spiked 132 .  
False Positives 1 1% 1 out of 132