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  • Short- and long-term temporal changes in soil concentrations of selected endocrine disrupting compounds (EDCs) following single or multiple applications of sewage sludge to pastures.

Short- and long-term temporal changes in soil concentrations of selected endocrine disrupting compounds (EDCs) following single or multiple applications of sewage sludge to pastures.

Environmental pollution (Barking, Essex : 1987) (2013-07-31)
S M Rhind, C E Kyle, H Ruffie, E Calmettes, M Osprey, Z L Zhang, D Hamilton, C McKenzie
ABSTRACT

Temporal changes in soil burdens of selected endocrine disrupting compounds were determined following application to pasture of either sewage sludge or inorganic fertilizer. Soil polycyclic aromatic hydrocarbon and polychlorinated biphenyl concentrations were not altered. Changes in concentrations of diethylhexyl phthalate (DEHP) and PBDEs 47 and 99 differed with season but concentrations remained elevated for more than three weeks after application, when grazing animals are normally excluded from pasture. It is concluded that single applications of sewage sludge can increase soil concentrations of some, but not all classes of EDCs, possibly to concentrations sufficient to exert biological effects when different chemicals act in combination, but patterns of change depend on season and soil temperature. Analysis of soil from pasture subjected to repeated sludge applications, over 13 years, provided preliminary evidence of greater increases in soil burdens of all of the EDC groups measured, including all of the PBDE congeners measured.

MATERIALS
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Brand
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Supelco
Bis(2-ethylhexyl) phthalate, Selectophore
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Sigma-Aldrich
Dioctyl phthalate, ≥99.5%
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Supelco
Bis(2-ethylhexyl) phthalate, PESTANAL®, analytical standard
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Supelco
Bis(2-ethylhexyl) phthalate, certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
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5 g
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$47.90
25 g
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100 g
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$319.00
Sigma-Aldrich
Bis(2-ethylhexyl) phthalate, SAJ first grade, ≥98.0%
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5 g
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$47.90
25 g
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$125.00
100 g
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$319.00
Supelco
Bis(2-ethylhexyl) phthalate solution, certified reference material, 2000 μg/mL in methanol
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SKUPack SizeAvailabilityPriceQuantity
5 g
In Stock
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$47.90
25 g
In Stock
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$125.00
100 g
In Stock
Details...
$319.00