Column Name: RESULT_AMOUNT

Description: The amount, activity, or concentration measured. Amounts can be zero, non-detect (ND), positive or negative. A negative result occurs when random effects and limitations in the measurement process cause the measured value for the sample to be less than that of the laboratory blank or background, which is subtracted from the sample measurement. Although negative radioactivity is physically impossible, the inclusion of negative results allows better statistical analysis of the data.

Envirofacts Table Name(s):

ERM_RESULT

Data Source:

No data source specified.

Properties:

Type: Number
Length:
Decimal Places: System Limit
Optional

Definition Source: Office of Radiation and Indoor Air

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Envirofacts Overview

Column Name: RESULT_AMOUNT

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