Showing 61 - 80 results of 176 for search '"U.S. Environmental Protection Agency"', query time: 0.18s Refine Results
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    Doctoral thesis
    Published in 2020
    Repositorio Repositorio Universidad de Cartagena

    ... T-Hg values exceeded the U.S. Environmental Protection Agency (USEPA) reference level of 1.0 μg/g...
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    Trabajo de grado de pregrado
    Published in 2015
    Repositorio Repositorio Institucional USTA

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    Trabajo de grado de pregrado
    Published in 2017
    Repositorio RIUCaC - Repositorio U. Católica

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    Published in 2015
    Repositorio Repositorio Institucional U. Caldas
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