ASTM-D6323, 2012 - MADCAD.com

ASTM D6323 - 12e1

Standard Guide for Laboratory Subsampling of Media Related to Waste Management Activities

Active Standard ASTM D6323 | Developed by Subcommittee: D34.01.01

Book of Standards Volume: 11.04

ASTM D6323

Significance and Use

4.1 This guide discusses options for taking a subsample from a sample submitted to a laboratory. If followed, it will minimize the bias and variance of the characteristic of interest of the laboratory sample prior to analysis.

4.2 The guide will describe appropriate instructions to be submitted to the laboratory with the field sample.

4.3 This guide is intended for use in the laboratory to take a representative subsample or specimen of the whole field sample for direct analysis or sample preparation for analysis. It is intended for field personnel, data users, laboratory sample reception personnel, analysts, and managers.

4.4 To obtain a representative subsample, layer analysis, grinding, mixing, and changing the physical state such as digesting, drying, melting or freezing may be required. This guide considers cone and quartering, riffle splitting, and particle size reduction.

1. Scope

1.1 This guide covers common techniques for obtaining representative subsamples from a sample received at a laboratory for analysis. These samples may include solids, sludges, liquids, or multilayered liquids (with or without solids).

1.2 The procedures and techniques discussed in this guide depend upon the sample matrix, the type of sample preparation and analysis performed, the characteristic(s) of interest, and the project specific instructions or data quality objectives.

1.3 This guide includes several sample homogenization techniques, including mixing and grinding, as well as information on how to obtain a specimen or split laboratory samples.

1.4 This guide does not apply to air or gas sampling.

1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6 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.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

C702 Practice for Reducing Samples of Aggregate to Testing Size

C859 Terminology Relating to Nuclear Materials

D346 Practice for the Collection and Preparation of Coke Samples for Laboratory Analysis

D2234 Test Methods for Collection of a Gross Sample of Coal

D4547 Guide for Sampling Waste and Soils for Volatile Organic Compounds

D4823 Guide for Core Sampling Submerged Unconsolidated Sediments

D5743 Practice for Sampling Single or Multilayered Liquids, With or Without Solids, in Drums or Similar Containers

D5792 Practice for Generation of Environmental Data Related to Waste Management Activities: Development of Data Quality Objectives

D5956 Guide for Sampling Strategies for Hetergeneous Wastes

D6051 Guide for Composite Sampling and Field Subsampling for Environmental Waste Management Activities

Keywords

sample preparation; subsampling; waste;

ICS Code

ICS Number Code 13.030.99 (Other standards related to wastes)

DOI: 10.1520/D6323-12E01

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Description of ASTM-D6323 2012

ASTM D6323 - 12e1

Standard Guide for Laboratory Subsampling of Media Related to Waste Management Activities

ASTM D6323

ASTM D6323

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Description of ASTM-D6323 2012

ASTM D6323 - 12e1

Standard Guide for Laboratory Subsampling of Media Related to Waste Management Activities

ASTM D6323

ASTM D6323

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