Soil & Sediment Contamination 

About: Soil & Sediment Contamination is an academic journal published by Taylor & Francis. The journal publishes majorly in the area(s): Soil water & Chemistry. It has an ISSN identifier of 1532-0383. Over the lifetime, 700 publications have been published receiving 12619 citations. The journal is also known as: Soil and sediment contamination.

Potential for Bioremediation of Uranium-Contaminated Aquifers with Microbial U(VI) Reduction

Abstract: (2002). Potential for Bioremediation of Uranium-Contaminated Aquifers with Microbial U(VI) Reduction. Soil and Sediment Contamination: An International Journal: Vol. 11, No. 3, pp. 339-357.

Instances of Soil and Crop Heavy Metal Contamination in China

Abstract: Both general and specific investigations of soil and crop heavy metal contamination were carried out across China. The former was focused mainly on Cd, Hg, As, Pb, and Cr in soils and vegetables in suburbs of four large cities; the latter investigated Cd levels in both soils and rice or wheat in contaminated areas throughout 15 provinces of the country. The results indicated that levels of Cd, Hg, and Pb in soils and some in crops were greater than the Governmental Standards (Chinese government limits for soil and crop heavy metal contents). Soil Cd ranged from 0.46 to 1.04 mg kg−1, on average, in the four cities and was as high as 145 mg kg−1 in soil and 7 mg kg−1 in rice in the wide area of the country. Among different species, tuberous vegetables seemed to accumulate a larger portion of heavy metals than leafy and fruit vegetables, except celery. For both rice and wheat, two staple food crops, the latter seemed to have much higher concentrations of Cd and Pb than the former grown in the same area. Furt...

Chromium chemistry and implications for environmental fate and toxicity

Abstract: The same chemical properties that make chromium such an important component of so many industrial and consumer products are the important factors controlling its environmental fate and toxicity. Although only about 15% of the chromium mined is used in the manufacture of chromium chemicals, the chemistry of chromium is important in nearly all applications. For instance, the “stainless” nature of stainless steel is due to the chemical properties of the chromium oxides that form on the suriace of the alloy. Similarly, the product protection afforded by chrome plating of metals, CCA treatment of wood, and chrome tanning of leather is directly dependent on chromium chemistry. In all of these applications the most important chemical property is that under typical environmental and biological conditions of pH and oxidation‐reduction potential, the most stable form of chromium is the trivalent oxide. This form has very low solubility and low reactivity resulting in low mobility in the environment and low toxicity...

Pesticides of Potential Ecological Concern in Sediment from South Florida Canals: An Ecological Risk Prioritization for Aquatic Arthropods

Abstract: A two-tier ecological risk assessment was conducted for pesticides monitored in sediment at 36 sampling sites in south Florida freshwater canals from 1990–2002. For tier 1, we identified the chemicals of potential ecological concern (COPECs) as DDT, DDD, DDE, chlordane and endosulfan based on their exceedence of sediment quality standards at 20 sites. For 12 sites with data on the fraction of organic carbon in sediments, whole sediment concentrations of COPECs were converted to pore water concentrations based on equilibrium partitioning. In tier 2, a probabilistic risk assessment compared distributions of pore water exposure concentrations of COPECs with effects distributions of freshwater arthropod response data from laboratory toxicity tests. Arthropod effects distributions included benthic and non-benthic arthropod species for chlordane (n = 9), DDD (n = 12), DDE (n = 5), DDT (n = 48), and endosulfan (n = 26). The overlap of predicted pore water concentrations and arthropod effects distributions was us...

Experimental Evaluation of Catalyzed Hydrogen Peroxide and Sodium Persulfate for Destruction of BTEX Contaminants

Abstract: Due to the toxicity and prevalence of BTEX contaminants (benzene, toluene, ethylbenzene, and xylenes) at hazardous waste sites, approaches for their remediation are of interest, especially those that particularly address benzene, which is often the limiting factor for achieving regulatory cleanup at these contaminated sites. In situ chemical oxidation (ISCO) is a viable technology for BTEX destruction, and hydrogen peroxide and sodium persulfate are two oxidants of interest for BTEX treatment. Laboratory studies were conducted to compare BTEX contaminant destruction and oxidant persistence for these two oxidants and for varied methods of oxidant activation/propagation. Additionally, studies were performed to compare contaminant destruction and oxidant persistence in laboratory contaminant spike systems vs. field site contaminant systems. Finally, contaminant destruction and oxidant persistence in field porous media with varied characteristics were evaluated. Contaminant and oxidant concentrations were mea...