BETTER CHARACTERIZATION OF ARSENIC AND CHROMIUM IN SOILS: A FIELDSCALE EXAMPLE
作者： Jeffrey R. Hale , Annabelle Foos , James S. Zubrow , James Cook
DOI: 10.1080/15320389709383573
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摘要: The characterization of arsenic and chromium in soil (and site remediation decisions) is commonly based on total concentration results U.S. EPA TCLP results. Further evaluation within the media by application geostatistlcs, selective extraction laboratory procedures, X‐ray diffraction determination mineralogy provides valuable additional information. Arsenic‐and chromium‐contaminated soils at a chemical manufacturing facility represent case study for this approach. From 0 to 6 ft deep, are characterized mottled, yellowish brown, silt clay with fine sand, grading downward into light sllty, micaceous, dominated small, gray, foliated, lithic fragments muscovite. Total concentrated upper clay, but more readily leached from lower sandy soil, suggesting partitioning composition. Selective data Indicate that prima...
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