ISO 16772:2004 specifies a method for the determination of mercury in an aqua regia extract of soil, obtained in accordance with ISO 11464 and ISO 11466, using cold-vapour atomic absorption spectrometry or cold-vapour atomic fluorescence spectrometry. The limit of determination of the method is at least 0,1 mg/kg.

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This International Standard specifies the quantitative determination of 16 polycyclic aromatic hydrocarbons (PAH) according to the priority list of the Environmental Protection Agency, USA (EPA, 1982). This International Standard is applicable to all types of soil (field-moist or chemically dried samples), covering a wide range of PAH contamination levels.
Under the conditions specified in this International Standard, a lower limit of application of 0,01 mg/kg
(expressed as dry matter) can be ...
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This International Standard describes the determination of trace elements in digests or extraction solutions
from soil by inductively coupled plasma - atomic emission spectrometry (ICP-AES) for 34 elements (see
Table 1).
This multi-element determination method is applicable to soil extracts obtained with aqua regia in accordance
with ISO 11466, with DTPA in accordance with ISO 14870 or other weak extractants, or soil extracts for the
determination of total element contents using the acid di...
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ISO 14507:2003 specifies three methods for the pretreatment of soil samples in the laboratory prior to the determination of organic contaminants:
if volatile organic compounds are to be measured;
if moderately volatile to non-volatile organic compounds are to be measured, if the result of the subsequent analysis must be accurate and reproducible, and if the sample contains particles larger than 2 mm and/or the contaminant is heterogeneously distributed;
if non-volatile organic compounds are to ...
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This International Standard specifies a method for quantitative determination of seven polychlorinated biphenyls
and seventeen organochlorine pesticides in soil.
This International Standard is applicable to all types of soil.
Under the conditions specified in this International Standard, limits of detection of 0,1 μg/kg to 4 μg/kg (expressed
as dry matter) can be achieved.

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This International Standard specifies a method for microwave-assisted extraction of elements from samples
using aqua regia as the extraction solution for the determination of elements. This method is applicable to all
types of soil and soil material.
Aqua regia extraction is suitable for the release of trace and major element fractions in soil. Aqua regia is not
suitable for the extraction of elements from refractory compounds, such as SiO2, TiO2 and Al2O3.
The extraction with aqua regia is...
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This document provides guidance on the design and execution of preliminary investigations comprising
desk studies and site reconnaissance, and where appropriate, preliminary risk assessment. It is
applicable whenever sampling exercises or investigations are to be carried out to determine soil quality.

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This document gives general guidance on the development of site investigation strategies and detailed
guidance on the development of sampling strategies, when collecting information on
— the average properties of soil,
— the variability of soil properties, and
— the spatial distribution of soil properties.
It is applicable to soil samples intended for chemical testing and determination of a variety of other
properties (e.g. physical).
Although the main focus of this document is the collec...
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This document gives guidance on the:
— investigation of sites, where either it is known that soil contamination is present, or the presence of
soil contamination is suspected;
— investigation of sites where no soil contamination is expected, but the soil quality is to be determined
(e.g. to make sure that there is no contamination present);
— investigation in anticipation of a need to manage re-use or disposal of excavated soil which might be
contaminated;
— collection of information that...
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      34 pages
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This document gives guidelines for:
— identification of hazards that could be encountered during a site investigation and when collecting
samples of soil and other ground material, including hazards that are intrinsic in the sampling
operation (e.g. physical hazards) in addition to the hazards that might arise, e.g. from contamination
with chemicals or biological agents;
— measures to be adopted to control risks once an appropriate risk assessment has been carried out.

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This document specifies the procedural elements to be taken in the preparation and application of a
sampling plan. The sampling plan describes among other things what laboratory samples are to be
taken, how they are to be taken and from where they are to be taken, in order that the objectives of
the investigation programme can be achieved. The principles or basic rules outlined in this document
provide a framework that can be used to
— produce standardized sampling plans for use in more reg...
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This document gives guidelines for techniques for taking samples so that these can subsequently be
examined for the purpose of providing information on soil quality. It gives information on equipment
that is typically applicable in particular sampling situations to enable correct sampling procedures to
be carried out and representative samples to be collected. Guidance is given on the selection of the
equipment and the techniques to use to enable both disturbed and undisturbed samples to be ...
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This document specifies the minimum information required for a sampling report independent of the
purpose of the investigation.
The preparation of the overall investigation report is not covered by this document (see
ISO/IEC 17025:2005, 5.10.3).

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ISO/IEC 17025:2017 specifies the general requirements for the competence, impartiality and consistent operation of laboratories.
ISO/IEC 17025:2017 is applicable to all organizations performing laboratory activities, regardless of the number of personnel.
Laboratory customers, regulatory authorities, organizations and schemes using peer-assessment, accreditation bodies, and others use ISO/IEC 17025:2017 in confirming or recognizing the competence of laboratories.

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This document specifies three methods for the determination of dry bulk density of soils calculated
from the mass and the volume of a soil sample. The methods involve drying and weighing a soil sample,
the volume of which is either known [core method (see 4.1)] or determined [excavation method (see 4.2)
and clod method (see 4.4)].

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This part of ISO 17294 specifies a method for the determination of the elements aluminium, antimony,
arsenic, barium, beryllium, bismuth, boron, cadmium, caesium, calcium, cerium, chromium, cobalt,
copper, dysprosium, erbium, gadolinium, gallium, germanium, gold, hafnium, holmium, indium, iridium,
iron, lanthanum, lead, lithium, lutetium, magnesium, manganese, mercury, molybdenum, neodymium,
nickel, palladium, phosphorus, platinum, potassium, praseodymium, rubidium, rhenium, rhodium,
ruthen...
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This document describes methods for the determination of the particle size distribution of soil samples.
The particle size distribution is one of the most important physical characteristics of soil. Classification of soils is mainly based on the particle size distribution.
The particle size distribution provides a description of soil, based on a subdivision in discrete classes of particle sizes. The size of each class can be determined by sieving and/or sedimentation.

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This International Standard specifies a method for quantitative gas-chromatographic determination of
volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons in soil.
This International Standard is applicable to all types of soil.
NOTE In the case of unsaturated peaty soils, absorption of the extraction solution may occur.
The lower limit of quantification is dependent on the equipment used and the quality of the methanol
grade used for the extraction of the soil sa...
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2010-08-31 EMA: //ENQ draft received in ISO/CS following notification received in dataservice on 2010-08-30.

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This International Standard specifies a method for the quantitative determination of the mineral oil (hydrocarbon) content in field-moist soil samples by gas chromatography.
The method is applicable to mineral oil contents (mass fraction) between 100 mg/kg and 10 000 mg/kg soil, expressed as dry matter, and can be adapted to lower limits of detection.
This International Standard is applicable to the determination of all hydrocarbons with a boiling range of 175 °C to 525 °C, of n-alkanes from C...
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This International Standard specifies general requirements for the competence of providers of proficiency testing schemes and for the development and operation of proficiency testing schemes. These requirements are intended to be general for all types of proficiency testing schemes, and they can be used as a basis for specific technical requirements for particular fields of application.

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This International Standard specifies the pretreatments required for soil samples that are to be subjected to physico-chemical analyses of stable and non-volatile parameters and describes the following five types of pretreatment of samples: drying, crushing, sieving, dividing and milling. The pretreatment procedures described in this International Standard are not applicable if they affect the results of the determinations to be made. This International Standard is also not applicable to samples...view more

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This International Standard specifies an instrumental method for the routine determination of pH using a glass electrode in a 1:5 (volume fraction) suspension of soil in water (pH in H2O), in 1 mol/l potassium chloride solution (pH in KCL) or in 0,01 mol/l calcium chloride solution (pH in CaCl2). This International Standard is applicable to all types of air-dried soil samples, for example pretreated in accordance with ISO 11464.

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This part of the European Standard gives guidance on the selection, use and maintenance of diffusive samplers used to measure ambient air quality.

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This part of the European Standard specifies specific performance requirements and test methods under prescribed laboratory and field conditions for diffusive samplers used for the determination of the concentration of gases or vapours in ambient air. Such requirements apply to all diffusive samplers, irrespective of the physical nature of the rate-controlling process and irrespective of the nature of the sorption process and the analytical determination.

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This part of the European Standard specifies general performance requirements for diffusive samplers used for the determination of the concentration of gases and vapours in ambient air. Such requirements apply to all diffusive samplers, irrespective of the physical nature of the rate controlling process and irrespective of the nature of the sorption process and the analytical determination. This standard applies to all stages of the measuring procedure, including deployment, transportation and s...view more

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Specifies a method for the determination of the potential cation exchange capacity (CEC) of soil buffered at pH = 8,1 and of the determination of the content of exchangeable sodium, potassium, calcium and magnesium in soil. Applicable to all types of air-dried soil samples.

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Specifies a method for the extraction, with aqua regia, of trace elements from soils and similar materials containing less than about 20 % (m/m) organic carbon. Materials containing more than about 20 % (m/m) organic carbon will require treatment with additional nitric acid. The resulting solution is suitable for the determination of trace elements using appropriate atomic spectrometric techniques.

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Specifies an instrumental method for the routine determination of the specific electrical conductivity in an aqueous extract of soil. The determination is carried out to obtain an indication of the content of water-soluble electrolytes in a soil.

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Specifies a method for the determination of the total carbon content in soil after dry combustion. The organic carbon content is calculated from this content after correcting for carbonates present in the sample. If carbonates are removed beforehand, the organic carbon content is measured directly. Applicable to all types of air-dried soil samples.

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The method specified can be applied to all types of soil samples. Different procedures are specified for air-dried soil samples, e.g. samples pretreated according to ISO 11464, and for field-moist soil samples. Its principle is drying soil samples to constant mass at 105 °C and using the difference in mass of an amount of soil before and after the drying procedure to calculate the dry matter and water contents on a mass basis. For the determination of soil water content on a volume basis, refer ...view more

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Specifies two methods for the determination of cadmium: using atomic absorption spectrometry (AAS) in an air-acetylene flame (aspiration of the acidified sample into the flame and measurement of the cadmium concentration at a wavelength of 228,8 nm) and by electrothermal atomization AAS (injection of the acidified sample into an electrically heated graphite tube of an electrothermal atomization atomic absorption spectrometer and measurement of the absorbance at a wavelength of 228,8 nm).

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The method is based on developing a potential difference between the measuring electrode and the reference electrode, when a fluoride ion-selective electrode comes into contact with an aqueous solution containing fluoride ions. On certain assumptions specified, the method will no longer refer to activities, but to fluoride ion concentration. The method is directly suitable for measuring fluoride concentrations from 0,2 mg/l to 2,0 g/l.

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This International Standard specifies a basic method of determining the particle size distribution applicable to a wide range of mineral soil materials, including the mineral fraction of organic soils. It also offers procedures to deal with the less common soils mentioned in the introduction. This International Standard has been developed largely for use in the field of environmental science, and its use in geotechnical investigations is something for which professional advice might be required....view more

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ISO 10381-4:2003 describes the sampling of soils of natural and near-natural sites; areas used for agriculture (arable and pasture sites); areas used for horticulture (including domestic gardens, allotments); areas used for special crop-cultivation, arboreal, vineyard, etc.; forest areas and woods. It is applicable to soil investigations and evaluations in the field; chemical, geochemical, physical, biological and radiological characterization of soil and soil materials in the laboratory after s...view more

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ISO 10381-1:2002 sets out the general principles to be applied in the design of sampling programmes for the purpose of characterizing and controlling soil quality and identifying sources and effects of contamination of soil and related material, with emphasis on procedures required to locate points from which samples may be taken for examination or at which instruments may be installed for in situ measurement including statistical implications, procedures for determining how much sample to colle...view more

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