ASTM D6044 - 96(2015)

Standard Guide for Representative Sampling for Management of Waste and Contaminated Media


Status:
Gældende
Type:
Standard
Sprog:
Engelsk
Pris fra:
kr. 341,32

Beskrivelse

1.1 This guide covers the definition of representativeness in environmental sampling, identifies sources that can affect representativeness (especially bias), and describes the attributes that a representative sample or a representative set of samples should possess. For convenience, the term “representative sample” is used in this guide to denote both a representative sample and a representative set of samples, unless otherwise qualified in the text.1.2 This guide outlines a process by which a representative sample may be obtained from a population. The purpose of the representative sample is to provide information about a statistical parameter(s) (such as mean) of the population regarding some characteristic(s) (such as concentration) of its constituent(s) (such as lead). This process includes the following stages: (1) minimization of sampling bias and optimization of precision while taking the physical samples, (2) minimization of measurement bias and optimization of precision whe

Antal sider: 11

Internationale relationer :

ICS: 13.020.10 - Miljøledelse

Varenummer: A011908