PREN 12457-1 : DRAFT 1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS EN 12457-1 - CHARACTERIZATION OF WASTE - LEACHING - COMPLIANCE TEST FOR LEACHING OF GRANULAR WASTE MATERIAL AND SLUDGES - PART 1: ONE STAGE BATCH TEST AT A LIQUID TO SOLID RATIO OF 2 L/KG WITH PARTICLE SIZE BELOW 4 MM (WITH OR WITHOUT SIZE REDUCTION)
01-09-2002
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
4 Compliance test
4.1 Principle
4.2 Equipment and reagents
4.3 Sampling strategy and sample preparation
4.3.1 Sampling strategy
4.3.2 Particle size reduction
4.3.3 Determination of the dry matter content ratio
and the moisture content ration
4.3.4 Preparation of test portion
5 Procedure
5.1 Testing conditions
5.2 Description of the procedure
5.2.1 Leaching step
5.2.2 Liquid-solid separation step
5.3 Further preparation of the eluate for analysis
5.4 Blank test for the application of the leaching procedure
6 Calculation
7 Documentation and test report
7.1 Sample preparation
7.2 Production of eluate
7.3 Analytical determination
7.4 Calculations and blank test information
8 Performance characteristics
Annex A (informative) Information on the influence on the test
results of the parameters that affect leaching
Annex B (normative) Test for determining whether waste is in the
liquid state
Annex C (informative) References
Annex D (informative) Example of datasheet for EN 12457-1
Annex E (informative) Process map for EN 12457-1
Annex F (informative) Example of a specific liquid-solid
separation procedure for soil sample
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