This Standard provides a method for the preparation of leachates using zero headspace conditions, from liquid and solid wastes, sediments, sludges and soils for assessing the potential of volatile organic contamination of groundwater in a variety of disposal-to-land scenarios.
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
5.1 General requirement
5.2 Reagent water
5.3 Leaching fluid
5.3.1 General
5.3.2 Leaching fluid pH 5.0
5.3.3 Leaching fluid pH 9.2
5.3.4 Compressed gas
6 Apparatus
6.1 General
6.2 Agitation apparatus
6.3 Filters
6.4 Glassware
6.5 Laboratory balance
6.6 Leaching fluid reservoir
6.7 Leaching vessel
6.8 Liquid collection devices
6.9 Mortar and pestle
6.10 Plastic push rod
6.11 pH meter
6.12 Pressure filtration device
7 Preparation of test samples
7.1 Collection and storage
7.2 Reduction of sample particle size
7.3 Determination of percentage solids
8 Procedure
8.1 Introduction
8.2 Selection of leaching fluid
8.3 Number of determinations
8.4 Blank test
8.5 Preparation of the zero headspace extractor for use
