Name: Assessment of Selected Contaminants in Streambed- and Suspended-Sediment Samples Collected in Bexar County, Texas, 2007?09 (en Inglés)
SKU: 61035889
Price: 27650.00 CLP
Availability: InStock
Author: U. S. Department of the Interior
ISBN: 9781499617160

portada Assessment of Selected Contaminants in Streambed- and Suspended-Sediment Samples Collected in Bexar County, Texas, 2007?09 (en Inglés)

Assessment of Selected Contaminants in Streambed- and Suspended-Sediment Samples Collected in Bexar County, Texas, 2007?09 (en Inglés)

Formato

Libro Físico

Editorial

Createspace

Autor

U. S. Department of the Interior

Idioma

Inglés

N° páginas

Encuadernación

Tapa Blanda

Dimensiones

28x21.6x0.4 cm

Peso

0.19 kg.

ISBN13

9781499617160

Categorías

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Assessment of Selected Contaminants in Streambed- and Suspended-Sediment Samples Collected in Bexar County, Texas, 2007?09 (en Inglés)

U. S. Department Of The Interior (Autor) · Createspace · Tapa Blanda

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Reseña del libro "Assessment of Selected Contaminants in Streambed- and Suspended-Sediment Samples Collected in Bexar County, Texas, 2007?09 (en Inglés)"

Elevated concentrations of sediment-associated contaminants are typically associated with urban areas such as San Antonio, Texas, in Bexar County, the seventh most populous city in the United States. This report describes an assessment of selected sediment-associated contaminants in samples collected in Bexar County from sites on the following streams: Medio Creek, Medina River, Elm Creek, Martinez Creek, Chupaderas Creek, Leon Creek, Salado Creek, and San Antonio River. During 2007-09, the U.S. Geological Survey periodically collected surficial streambed-sediment samples during base flow and suspended-sediment (large-volume suspended-sediment) samples from selected streams during stormwater runoff. All sediment samples were analyzed for major and trace elements and for organic compounds includ-ing halogenated organic compounds and polycyclic aromatic hydrocarbons (PAHs). Selected contaminants in streambed and suspended sediments in watersheds of the eight major streams in Bexar County were assessed by using a variety of methods-observations of occurrence and distribution, com-parison to sediment-quality guidelines and data from previous studies, statistical analyses, and source indicators.