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SERVICE DECHETS SUR SITE
Caractérisation des Déchets
Caractérisation des DéchetsAs part of Studsvik’s waste treatment and decommissioning services, we have developed a comprehensive suite of Waste Characterisation tools and services, tailored to UK customer needs and regulatory requirements.
Equipement de SpéctrométrieGamma Haute Résolution portable
L'approche de Studsvik dans la Caractérisation des Déchets
To consign radioactive waste to a disposal site or for further waste treatment, knowledge of the waste’s radiological content is required. Studsvik UK can deploy a range of specialist techniques and instruments to undertake Waste Characterisation.
The first step in an effective Waste Characterisation regime is to study the provenance of the waste. Studying the provenance of the waste allows a suitable hypothesis of the radiological content of the waste to be produced. This hypothesis is then used to determine the most efficient and cost effective characterisation technique
Studsvik has experience of all aspects of Waste Characterisation including in-situ measurements and intrusive sampling operations. Studsvik has deployed a number of innovative techniques for physical sample retrieval from a range of materials such as reactor bioshields, concrete, metals, sludges, FED and ion exchange resins.
Studsvik’s in-situ characterisation ranges from Health Physics monitoring equipment for alpha and beta contamination along with simple dose rate measurements to High Resolution Gamma Spectrometry (HRGS). Our dedicated in-house team of Health Physics monitors, certified to Level 1 and 2 City and Guilds, have experience of monitoring waste ranging from exempting concrete waste to monitoring miscellaneous ILW drums.
Studsvik operate Canberra Harwell’s In-Situ Object Counting Software (ISOCS) HRGS system. ISOCS consists of a Hyper-Pure Germanium detector, including an adjustable collimator assembly, mounted on a portable trolley. ISOCS has inbuilt geometry calibrations for around a dozen common geometries e.g. boxes, drums, walls, rooms pipes etc. that allow real time assay results to be obtained.
Waste Characterisation is the technique of determining the radiological and other hazardous properties of a material using a combination of the material’s provenance, in-situ measurements and intrusive sampling.
Identifying and quantifying radiological contamination is fundamental in determining the scope of decommissioning projects and estimating the volume, fingerprint and classification of waste to be produced. Early and effective waste characterisation allows sentencing via fit-for-purpose disposal routes and can yield significant cost savings and environmental benefits.
Pour plus d'informations merci de contacter Thierry HOFFMANN Directeur Général +33 3 86 66 60 75 [email protected]
Analyses Radiochimiques dans les laboratoires Studsvik
Studsvik SASSiège : 15 rue Vignon 75008 PARISBureaux et Adresse Postale : Centre d'Affaires EURIPOLE - 17 rue de Sancey - ZA des Vauguillettes III - 89100 SENSFRANCETéléphone : +33 3 86 66 60 75Fax : +33 3 86 66 60 76Courriel : [email protected] www.studsvik.fr
In-situ High Resolution Gamma
Spectrometry
VSP and DQO sampling strategies
Studsvik also operate our own laboratory facilities in Sweden and UK, where we offer sample preparation and analysis services. We also have extensive experience of designing bespoke, cost effective analysis packages with numerous radiochemical laboratories throughout the UK.
Studsvik UK’s intrusive sampling strategy is fully compliant with the methodology set out within the Nuclear Industry Code of Practice (NICOP) on Clearance and Exemption. We were the first contractor to utilise the statistical methods set out in the NICOP to exempt waste from a Nuclear Licensed Site. Studsvik UK also have experts in Data Quality Objectives (DQO) sampling and in the use of Visual Sampling Plan (VSP) software for determining the number, and location, of intrusive samples to ensure efficient and representative sampling.
We are fully conversant with the regulatory requirements (RSA93, CDG07, IRR99) and conditions for acceptance for a wide range of waste treatment, storage and disposal routes including the national Low Level Waste Repository (LLWR) where we have significant experience of consigning waste and completing the associated waste characterisation documentation on behalf of customers.
Modèle Mathématique
In addition to Studsvik’s sampling and in-situ measurement techniques we also operate numerous mathematical modelling codes. Where appropriate these mathematical codes can be used in conjunction with our in-situ measurement techniques to efficiently characterise waste. Studsvik UK’s codes include:
RANKERN MCNP MicroShield
Personnels et Ressources sur site
Studsvik can mobilise teams of experienced personnel to sites across the UK to assist clients with waste characterisation. These include certified Radiation Protection Advisers, Waste Officers, Health Physics Monitors, Radwaste Technicians and Waste Treatment Engineers.
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Elaborer Stratégie/Programme
Provenance Etudes
Dosage In-Situ
Echantillonset Analyses
Documentation emballage Déchets/Condamnation
Traitement et Elimination
Approche de Studsvik Grande-Bretagne sur la caractérisation des déchets
