Evaluatie van ervaringen met de Intron-keuringsmethode voor gereinigde grond
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Series / Report no.
Open Access
Type
Report
Language
nl
Date
1989-04-24
Research Projects
Organizational Units
Journal Issue
Title
Evaluatie van ervaringen met de
Intron-keuringsmethode voor gereinigde grond
Translated Title
Evaluation of the experiences with the Intron
testing procedure for concentration levels in decontaminated
soils
Published in
Abstract
In this report the results are described of the
evaluation of experiences with the dutch standard testing procudre for
decontaminated soils, deviced by Intron. The evaluation included a number
of interviews with users of the method. In these intervieuws many problems
evolved that were closely related to the testing of cleaned soils, i.e.
sampling reference values, choice of values for the testparameters needed in
the Intron procedure, acceptability of testing costs and the interpretation
of the results of the chemical analysis at the detection limit. The lack of
clarity in the field of quality assurance for decontaminated soils were the
subject of discussion and critical remarks. The mentioned subjects are
discussed in this report and the bottlenecks to be elaminated to obtain a
manageable and generally acceptable testing procuedure for cleaned soils in
the Netherlands are listed and explained. A statistical evaluation of the
results of the Intron procedure shows that the determination of the number
of samples to be analysed is not made on the basis of a correct statistical
proceudre and that the parameters used for testing are not chosen in such a
way that an unambiguous, uniform and logcal, legally defendable testing
result can be obtained. It is recommended to device a new testing
method.
Abstract not available
Abstract not available
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Sponsors
DGM/DWB-B / Bavinck HF