BQS ORGANIC BLIND SAMPLES
ACETYL HEXAMETHYL TETRAHYDRONAPHTHALENE (AHTN),
Schedule: 1433 Testid: 62065GCM37
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
ACETYL HEXAMETHYL TETRAHYDRONAPHTHALENE (AHTN)

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 7 83% 9% 82% 9%
>= Reporting Level 49 80% 18% 74% 18%
Total 56 81% 17% 77% 18%

Miscellaneous Statistics for the Samples
ACETYL HEXAMETHYL TETRAHYDRONAPHTHALENE (AHTN)

Characteristic N % % Basis
Plotted 56 100% Spiked
Estimated Values 14 25% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 57 .  
False Negatives 0 0% 0 out of 56
Not Spiked 143 .  
False Positives 0 0% 0 out of 143