ASTM-D5280 Standard Practice for Evaluation of Performance Characteristics of Air Quality Measurement Methods with Linear Calibration Functions

ASTM-D5280 - 1996 R13 EDITION - CURRENT
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This practice covers procedures for evaluating the performance characteristics of air quality measurement methods with linear calibration functions. The steps involved in the measurement method used shall be described, and the performance characteristics to be evaluated shall be specified and tested under explicitly specified conditions. The performance characteristics for evaluation include bias, calibration function and linearity, instability, lower detection limit, period of unattended operation, selectivity, sensitivity, and upper limit of measurement.

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Scope

1.1 This practice2 covers procedures for evaluating the following performance characteristics of air quality measurement methods: bias (in part only), calibration function and linearity, instability, lower detection limit, period of unattended operation, selectivity, sensitivity, and upper limit of measurement.

1.2 The procedures presented in this practice are applicable only to air quality measurement methods with linear continuous calibration functions, and the output variable of which is a defined time average. The linearity may be due to postprocessing of the primary output variable. Additionally, replicate values belonging to the same input state are assumed to be normally distributed. Components required to transform the primary measurement method output into the time averages desired are regarded as an integral part of this measurement method.

1.3 For surveillance of measurement method stability under routine measurement conditions, it may suffice to check the essential performance characteristics using simplified tests, the degree of simplification acceptable being dependent on the knowledge on the invariance properties of the performance characteristics previously gained by the procedures presented here.

1.4 There is no fundamental difference between the instrumental (automatic) and the manual (for example, wet-chemical) procedures, as long as the measured value is an average representative for a predefined time interval. Therefore, the procedures presented are applicable to both. Furthermore, they are applicable to measurement methods for ambient, workplace, and indoor atmospheres, as well as emissions.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

bias; calibration function; instability; linearity; lower detection limit; period of unattended operation; selectivity; sensitivity; upper limit of measurement; ICS Number Code 13.040.20 (Ambient atmospheres)

To find similar documents by ASTM Volume:

11.07 (Atmospheric Analysis)

To find similar documents by classification:

13.040.20 (Ambient atmospheres Including indoor air)

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Document Number

ASTM-D5280-96(2013)

Revision Level

1996 R13 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

April 1, 2013

Document Type

Practice

Page Count

12 pages

Committee Number

D22.03