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Our mandate Nagra's mission statement Costs Legal framework Collaboration Organisation Board of Directors Executive Board Management Team Employees Contact persons History 1972 to 1980 1981 to 1990 1991 to 2000 Since 2001 Consulting services Expertise Grimsel underground laboratory What we offer News View image gallery Download images Download / Order Annual report Technical Reports (see list on the right) info e-info Brochures / Brochures on special topics DVD Older publications Jobs

   NTBs 1989 – 1990

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Technical Report NTB 90-49

Joint seismic, hydrogeological and geomechanical investigations of a fracture zone in the Grimsel Rock Laboatory, Switzerland
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Technical Report NTB 90-48

STRENG: A source-term model for vitrified high-level waste
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Technischer Bericht NTB 90-47

Wellenberg
Arbeitsprogramm
Teil 2 für Untersuchungen in den Sondierbohrungen SB 6 und SB 2
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Technischer Bericht NTB 90-46

Seismizität der Nordschweiz 1987 – 1989, und Auswertung der Erdbebenserien von Günsberg, Läufelfingen und Zeglingen
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Technical Report NTB 90-44

Stripa Project
Prediction of inflow into the D-holes at the Stripa mine
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Technical Report NTB 90-43

Stripa Project
Site characterization and validation borehole radar investigations, Stage III
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Technical Report NTB 90-42

The application of moment methods to the analysis of fluid electrical conductivity logs in boretoles
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Technischer Bericht NTB 90-41

Sedimentäre Architektur der distalen Unteren Süsswassermolasse und ihre Beziehung zur Diagenese und der Petrophysik. Eigenschaften am Beispiel der Bohrungen Langenthal.
(out of print)
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Technical Report NTB 90-40

A physico-chemical characterisation technique for determining the pore-water chemistry in argillaceous rocks
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Technical Report NTB 90-39

Grimsel Test Site
The Grimsel Migration Experiment:
A hydrogeochemical equilibrium test
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Technischer Bericht NTB 90-38

Sondierbohrung Siblingen
Bau- und Umweltaspekte, Bohrtechnik
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Technischer Bericht NTB 90-37

Zur Chemie von Kolloiden
Verfügbare Sorptionsmodelle und zur Frage der Kolloidhaftung
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Technical Report NTB 90-36

On the problem of silicia solubility at high pH
(out of print)
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Technical Report NTB 90-35

Stripa Project
Annual Report 1989
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Technischer Bericht NTB 90-34

Sondierbohrung Siblingen
Untersuchungsbericht
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Technical Report NTB 90-33

Poços de Caldas Report No. 15
Summary and implications for radioactive waste management
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Technical Report NTB 90-32

Poços de Caldas Report No. 14
Geochemical modelling of water-rock interactions at the Osamu Utsumi mine and Morro do Ferro analogue study sites, Poços de Caldas, Brazil
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Technical Report NTB 90-31

Poços de Caldas Report No. 13
Near-field high-temperature transport: Evidence from the genesis of the Osamu Utsumi uranium mine, Poços de Caldas alkaline complex, Brazil
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Technical Report NTB 90-30

Poços de Caldas Report No. 12
Testing models of redox front migration and geochemistry at the Osamu Utsumi mine and Morro do Ferro analogue study sites, Poços de Caldas, Brazil
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Technical Report NTB 90-29

Poços de Caldas Report No. 11
Testing of geochemical models in the Poços de Caldas analogue study
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Technical Report NTB 90-28

Poços de Caldas Report No. 10
Microbiological analysis at the Osamu Utsumi mine and Morro do Ferro analogue study sites, Poços de Caldas, Brazil
(out of print)
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Technical Report NTB 90-27

Poços de Caldas Report No. 9
Chemical and physical characterisationof suspended particles andcolloids in waters from the OsamuUtsumi mine and Morro do Ferroanalogue study sites, Poços de Caldas, Brazil
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Technical Report NTB 90-26

Thermodynamique du gonflement de systèmes eau-bentonite, eau-métabentonite, eau-illite
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Technical Report NTB 90-25

Natural radionuclide and stable element studies of rock samples from the Osamu Utsumi mine and Morro do Ferro analogue study sites, Poços de Caldas, Brazil.
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Technical Report NTB 90-24

Chemical and isotopic composition of groundwaters and their seasonal variability at the Osamu Utsumi mine and Morro do Ferro analogue study sites, Poços de Caldas, Brazil
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Technical Report NTB 90-23

Poços de Caldas Report No. 5
Geomorphological and hydrogeological features of the Poços de Caldas caldera and the Osamu Utsumi mine and Morro do Ferro analogue study sites, Brazil
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Technical Report NTB 90-22

Pogos de Caldas Report No.4
Isotopic geochemical characterization of selected nepheline syenites and phonolites from the Po~os de Caldas alkaline complex, Minas Gerais, Brazil.
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Technical Report NTB 90-21

Pogos de Caldas Report No.3
Mineralogy, petrology and geochemistry of the Poços de Caldas analogue study sites, Minas Gerais, Brazil.
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Technical Report NTB 90-19

The regional geology, mineralogy and geochemistry of the Poços de Caldas alkaline caldera complex, Minas Gerais, Brazil.
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Technical Report NTB 90-18

COMPLEXATION OF Cu2+, Ni2+ AND UO22+ BY RADIOLYTIC DEGRADATION PRODUCTS OF BITUMEN
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Technischer Bericht NTB 90-17

Langzeitquellenverhalten von Tongesteinen und tonigen Sulfatgesteinen
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Technical Report NTB 90-16

Experimental proposals for procedures to investigate the water chemistry, sorption and transport properties of marl
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Technical Report NTB 90-15

Grimsel Test Site
Uranium migration in crystalline rock:
Capillary solution transport in the granite of the Grimsel Test Site
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Technischer Bericht NTB 90-14

Hydrogeologische Modellierung im Opalinus-Ton und in der Unteren Süsswasser-Molasse der Nordostschweiz
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Technical Report NTB 90-13

Radionuclide chain transport with matrix diffusion and non-linear sorption
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Technical Report NTB 90-12

A thermodynamic description of the evolution of porewater chemistry and uranium speciation during the degradation of cement
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Technical Report NTB 90-11

Modelling of a diffusion-sorption experiment on sandstone
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Technical Report NTB 90-10

Groundwater Flow Through Fissured Rock: Field Investigatons and Interpretation in the Albigna Dam Area, Graubonden, Switzerland
(out of print)
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Technical Report NTB 90-09

Transmissivities and heads derived from detailed analysis of Siblingen 1989 fluid logging data
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Technical Report NTB 90-08

Stripa Project
Water flow in single rock joints
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Technical Report NTB 90-07

Grimsel Test Site
Geophysical methods for the detection of discontinuities ahead of a tunnel face
(out of print)
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Technical Report NTB 90-05

Description and results of tracer tests conducted for a deep fracture zone within granitic rock at the Leuggern borehole
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Technischer Bericht NTB 90-04

Zur Tektonik der zentralen Nordschweiz
Interpretation aufgrund regionaler Seismik, Oberflächengeologie und Tiefbohrungen
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Technischer Bericht NTB 90-03

Zur Tektonik des Südschwarzwaldes
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Technical Report NTB 90-02

Numerical modelling of the creep behaviour of clays with emphasis on tunnels and underground openings
A critical review of the state-of-the-art
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Technical Report NTB 90-01

Grimsel Test Site
Grimsel colloid exerciese:
An international intercomparison exerciese on the sampling and characterisation of groundwater colloids
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Technical Report NTB 89-28

Numerical modelling of gas migration at a potential repository for low- and intermediate-level nuclear wastes at Oberbauenstock, Switzerland
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Technical Report NTB 89-27

Interpretation of the tracer testing conducted in the Leuggern borehole
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Technischer Bericht NTB 89-26

Bohrlochversiegelung
Konzept und Machbarkeitsnachweis
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Technischer Bericht NTB 89-25

Nachweis von tektonischen Störungen in 2 Bodengasprofilen in der Nordschweiz
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Technical Report NTB 89-24

STRIPA PROJECT
ANNUAL REPORT 1988
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Technical Report NTB 89-23

Stripa Project
Site characterization and validation Stage 2
Preliminary predictions
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Technical Report NTB 89-21

Biospere modelling for a deep radioactve waste repository
Site-specific consideration of the groundwater-soil pathway
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Technical Report NTB 89-20

Biosphere modelling for a deep radioactive waste repository:
Treatment of the groundwater-soil pathway
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Technical Report NTB 89-19

Experiments on container material for Swiss high-level waste disposal projects Part IV
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Technical Report NTB 89-18

Interpretation of hydraulic testing at the Kaisten borehole
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Technical Report NTB 89-17

Reduction spheres in hematitic rocks from Nortern Switzerland:
Implications for the mobility of some rare elements
Detail

Technical Report NTB 89-16

Grimsel Test Site
Hydrologic modelling of the migration site at the Grimsel Test Site
The steady state
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Technical Report NTB 89-15

Grimsel Test Site
Hydrogeological characterisation of the migration experimental area at the Grimsel Test Site
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Technischer Bericht NTB 89-14

Mikrobieller Abbau von Bitumen
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Technical Report NTB 89-13

Subcritical crack growth in hot-isostatically postcompacted high-grade alumina
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Technischer Bericht NTB 89-12

Wellenberg Arbeitsprogramm
Teil 1 für Untersuchungen von der Erdoberfläche aus und Sondierbohrungen SB1, 3 & 4
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Technischer Bericht NTB 89-11

Felslabor Grimsel
Neigungsmessungen zur Ermittlung neotektonischer Vorgänge
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Technical Report NTB 89-10

Final interpretation of hydraulic testing at the Siblingen borehole
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Technical Report NTB 89-09

Interpretation of hydraulic testing at the Schafisheim borehole
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Technical Report NTB 89-08

The coordination chemistry of humic substances
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Technical Report NTB 89-07

Stripa Project
Interim report on the rock sealing project (Stage 1)
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Technical Report NTB 89-06

An Approach to Microbiological Modelling:
Application to the Near Field of a Swiss Low Intermediate-level Waste Repository
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Technical Report NTB 89-05

Review of HLW disposal concepts in sediments
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Technischer Bericht NTB 89-04

Modellierung der Grundwasserströmungsverhältnisse am Oberbauenstock
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Technical Report NTB 89-03

Transmission electron microscope study of illite/smectite mixed layers
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Technical Report NTB 89-02

Geochemical database for the sediment study
Intermediate report 1988
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Technischer Bericht NTB 89-01

Felslabor Grimsel
Hydrogeologische Untersuchungen zur Bestimmung hydraulischer Potentiale
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