International Journal of Analytical Chemistry / 2009 / Article / Tab 3

Research Article

Analysis of Bio-Obtainable Endocrine Disrupting Metals in River Water and Sediment, Sewage Influent/Effluent, Sludge, Leachate, and Concentrated Leachate, in the Irish Midlands Shannon Catchment

Table 3

Metal content in river sediment in the Irish midlands region (mg/ ) over a six-month period, 2004-2005.

SedimentConcentration(mg/ )

MetalTarget value (mg/kg)Intervention value (mg/kg)Site no.Overall average result*NovDecJanFebMarAprMean % RSD

Ni35.0100.01<TV, <IV2225292721462.6
2<TV, <IV3655282926151.9
3<TV, <IV2532263331204.1
4<TV, <IV702742627194.3


Cd0.812.01>TV, >IV<LOD9142030209.8
2>TV, >IV<LOD151226321511.2
3>TV, >IV113191925189.6
4>TV, >IV1616142829187.8

Zn140.0720.01<TV, <IV8274117561182770.5
2<TV, <IV5910174551561320.6
3<TV, <IV110132149170179590.6
4<TV, <IV81170451321611440.3

Co§9.033.01>TV, <IV1918151117165.9
2>TV, <IV1926211819105.2
3>TV, <IV229181816126.7
4>TV, <IV482271616117.1

Pb85.0530.01>TV, <IV1412202101402351701.1
2>TV, <IV1412232281452551851.3
3>TV, <IV1883503581504152851.6
4>TV, <IV2963501401284953301.3

Cr100.0380.01<TV, <IV4539614639109.6
2<TV, <IV4959115353497.4
3<TV, <IV4042543542108.4
4<TV, <IV124421227281010.8

Cu36.0190.01<TV, <IV2314363911291.2
2<TV, <IV142269782.3
3>TV, <IV10081173629201.1
4<TV, <IV15201698164.3

U: unknown. Note: Site no. 5 has been omitted as sediment was only procured for a single month due to a consistently high water level and high currents. * TV is below the target value, TV is above the target value, and IV is below the intervention value, whilst IV is above the intervention value.
Amalgamated Dutch values for soils and sediments and Danish values for soils [3, 4, 23].

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