ASTM E2677 Limit of Detection Web Portal
Data Entry Page

You can view a
description of the limits of detection analysis performed here and the data requirements for the analysis.

Enter column of analyte level (mass)             Enter column of response data (signal)


Optional Input Options

Enter the confidence limit for the LOD and for the tolerance bound (gamma):

Enter the coverage for the tolerance bound (p):

Enter the probability of a false negative (signal, no alarm) (beta):

Enter the probability of a false positive (no signal, but alarm sounds) (alpha):


Output Options


Print estimate of critical value:
Generate Data Summary Table
Generate LOD Summary Table
Yes No
Yes No
Yes No

Generate graphs:
SVG (IE9, other browsers)
JPEG (IE8 and below)

Generate Grubbs Outlier Output:
Yes No

Enter the number of digits to the right of the decimal point for the tables:



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Date created: 09/20/2012
Last updated: 02/20/2014
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