Core Sampling in Support of the Vadose Zone Transport Field Study | Zendy

George V. Last | Zendy; Todd G. Caldwell | Zendy

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Core Sampling in Support of the Vadose Zone Transport Field Study

Author(s) -

George V. Last,

Todd G. Caldwell

Publication year - 2001

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/965701

Subject(s) - tracer , vadose zone , sampling (signal processing) , front (military) , geology , soil test , hydrology (agriculture) , hydraulic conductivity , core (optical fiber) , mineralogy , environmental science , soil science , soil water , geotechnical engineering , materials science , oceanography , engineering , composite material , physics , filter (signal processing) , nuclear physics , electrical engineering

Over 130 soil samples were collected from three soil borings in support of the VZFTS. The first boring was sampled just prior to the first injection test. The other two borings were sampled after completion of the injection tests. These soil samples were collected using a 7.6 cm (3 in) ID splitspoon sampler, with internal 15 cm (6 in.) long Lexan? liners. The samples ranged in depth from 4 to 17 m (13.5 to 56.5 ft), and were submitted to various laboratories for hydraulic property characterization and/or geochemical/tracer analyses. Preliminary results indicate that the major concentration front of the bromide tracer reached a relative depth of 5 m (below the injection point) 8 days after the final water injection and had migrated to a relative depth of about 7 m, 4 days later

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