Výsledky vyhledávání - "John C. Petura"

Preventing surface deposition of chromium with asphalt caps at chromite ore processing residue sites: a case study

Autor: John C Petura, Steven Brooks, Steven Dentico, Mark A. Harris, Karen S. Henry, Stephen A Kessel

Publikováno v: Canadian Geotechnical Journal. 44:814-839

Caps were constructed on chromite ore processing residue (COPR) sites in the Kearny, New Jersey, area between 1989 and 1994 to prevent human exposure to hexavalent chromium (Cr(VI)). The caps comprise geotextile overlain by 100 mm of dense graded agg

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::783d6e4577b8af5117c99ea3c0662224
https://doi.org/10.1139/t07-029

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Derivation of a Liquid-to-Soild Ratio for ASTM Method D3987-85 for Soils Containing Chromite Ore Processing Residue Using Selected Unsaturated Zone Models

Autor: Paul Scott, John C. Petura, Mark A. Harris

Publikováno v: Soil and Sediment Contamination: An International Journal. 12:443-480

While most health-based cleanup levels for hexavalent chromium [Cr(VI)] in soil are established to protect the general population against cancer, the New Jersey Department of Environmental Protection (NJDEP) has established a Cr(VI) soil cleanup crit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b2af4673ef222bdf46e82aba7b485266
https://doi.org/10.1080/713610983

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An Evaluation of a Technical Holding Time for the Preparation and Analysis of Hexavalent Chromium in Soils/Sediments

Autor: George R. Mussoline, Kelly A. Rinehimer, Rock J. Vitale, Karen L. Moeser, John C. Petura

Publikováno v: Journal of Soil Contamination. 9:247-259

Chromium (Cr) is routinely measured during environmental investigations involving soils and other solid matrix sampling. Regulatory-approved analytical methods are available to extract and quantify total Cr in various environmental media. However, du

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6c0106afb7f7ce508023503df548c8c0
https://doi.org/10.1080/10588330091134248

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Oxidation‐reduction chemistry of chromium: Relevance to the regulation and remediation of chromate‐contaminated soils

Autor: John C. Petura, Bruce R. James, Rock J. Vitale, George R. Mussoline

Publikováno v: Journal of Soil Contamination. 6:569-580

Developing health‐protective clean‐up standards and remediation strategies for chromium‐contaminated soils based on the hexavalent forms of this heavy metal is a complex and controversial issue, because certain forms of Cr(III) can oxidize to C

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da3c9b901dc6e7dfea31168a54563aeb
https://doi.org/10.1080/15320389709383590

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Cr(vi) soil analytical method: A reliable analytical method for extracting and quantifying Cr(vi) in soils

Autor: Bruce R. James, Rock J. Vitale, John C. Petura, George R. Mussoline

Publikováno v: Journal of Soil Contamination. 6:581-593

Chromium has been used in the industrialized world in many applications for more than a century. Chromium is a trace metallic element found in the Earth's crust, and when it is found in concentrated ore deposits it is principally as FeCr2O4 (chromite

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::22cc79958c4bcf808f6f00f1775e16c1
https://doi.org/10.1080/15320389709383591

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Traditional and innovative treatment methods for Cr(VI) in soil

Autor: Thomas E. Higgins, John C. Petura, Amy R. Halloran

Publikováno v: Journal of Soil Contamination. 6:767-797

There are several treatment technologies available for soils that have elevated levels of chromium. The technologies applicable to a particular chromium site depend on the clean‐up goals, the form of the chromium present, and the volume and physica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd8033e7a489e4be86b36eebecfb801e
https://doi.org/10.1080/15320389709383597

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Extraction of Sparingly Soluble Chromate from Soils: Evaluation of Methods and Eh−pH Effects

Autor: John C. Petura, Rock J. Vitale, Bruce R. James, George R. Mussoline, Kelly A. Rinehimer

Publikováno v: Environmental Science & Technology. 31:390-394

A hot alkaline extraction method (SW-846 Method 3060A) for total Cr(VI) in soils and sediments has been developed that selectively solubilizes Cr(VI). This paper compares the effectiveness of this extraction method versus four others to solubilize sp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fd59595101ea089df0c76e1c98bbb75e
https://doi.org/10.1021/es960202o

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Hexavalent chromium extraction from soils: a comparison of five methods

Autor: Bruce R. James, John C. Petura, George R. Mussoline, Rock J. Vitale

Publikováno v: Environmental sciencetechnology. 29(9)

A quantitative extraction method for total Cr(VI) (soluble and insoluble forms) in soils is needed to assess potential hazards from this heavy metal to humans and ecological systems. A laboratory study was conducted to measure native levels of Cr(VI)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::762353fd4d8ac87760a2ad0da9a8705e
https://pubmed.ncbi.nlm.nih.gov/22280281

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