ASTM-D6518:2006 Edition

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D6518-06e1 Standard Practice for Bias Testing a Mechanical Coal Sampling System

Published By	Publication Date	Number of Pages
ASTM	2006	18

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Category: ASTM

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Description

ASTM D6518-06e1

Historical Standard: Standard Practice for Bias Testing a Mechanical Coal Sampling System

ASTM D6518

Scope

p>1.1 This practice presents sample collection and statistical evaluation procedures for testing mechanical sampling systems, subsystems, and individual system components for bias. It is the responsibility of the user of this practice to select the appropriate procedure for a specific sampling situation.

1.2 This practice does not purport to define an absolute bias. Bias defined by this practice is the difference between the population mean of the mechanical sampler test results and the accepted reference value.

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

coal sampling; mechanical sampling; statistical analysis

ICS Code

ICS Number Code 73.040 (Coals)

DOI: 10.1520/D6518-06E01

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Practice Significance and Use Apparatus
3	Description of Test Procedures FIG. 1
4	Organization and Planning
6	Keywords
7	A1. COLLECTION OF REFERENCE SAMPLES A1.1 Reference Samples A1.2 Surrogate Samples A2. STATISTICAL PROCEDURES A2.1 Nonparametric Statistical Procedure TABLE A1.1 TABLE A2.1
8	TABLE A2.2 TABLE A2.3 TABLE A2.4
9	A2.2 Interpretation of Nonparametric Results and Adequacy of Data TABLE A2.5 TABLE A2.6
10	A2.3 Parametric Statistical Procedures TABLE A2.7 TABLE A2.8
11	TABLE A2.9 TABLE A2.10 TABLE A2.11
13	TABLE A2.12
15	A2.4 Combined-Variance for Intraphase Test
16	A3. SELECTION OF TEST BATCH SIZE A3.1 A3.2 A3.3 A3.4 A4. BIAS TESTING A MECHANICAL SAMPLING SYSTEM
17	X1. THEORETICAL CONSIDERATIONS AND SOURCES OF FORMULAS AND TABLES X1.1 X1.2 TABLE A4.1
18	X1.3 X1.4 REFERENCES