Journal of Environmental Science and Health, Part A: Toxic/Hazardous Substances & Environmental Engineering

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  1. Electrothermal atomic absorption spectrometric determination of cadmium and lead in traces in aquatic systems following flotation by two chromium(III) collectors.

    Journal of Environmental Science and Health, Pa... 44(12):1274 (2009) PMID 19847715

    A fast flotation method for determination of cadmium and lead in aquatic systems by two chromium(III) collectors is described. The first collector is a colloid precipitate of hydrated chromium(III) oxide, Cr2O3 x xH2O, while the second is a bulk chromium(III) pentamethylenedithiocarbamate, Cr(PM...
  2. Variation, correlation, and toxicity of phenolic endocrine-disrupting compounds in surface water.

    Journal of Environmental Science and Health, Pa... 44(12):1244 (2009) PMID 19847712

    This study investigated the variation in toxicity of phenolic endocrine-disrupting compounds (EDCs) and determined the correlation between their concentrations. All twenty-four samples acquired from a polluted river contained five phenolic EDCs. The EDC nonylphenol (NP) concentration was found t...
  3. Perfluoroalkyl sulfonic and carboxylic acids: a critical review of physicochemical properties, levels and patterns in waters and wastewaters, and treatment methods.

    Journal of Environmental Science and Health, Pa... 44(12):1145 (2009) PMID 19847705

    Perfluorinated acids (PFAs) are an emerging class of environmental contaminants present in various environmental and biological matrices. Two major PFA subclasses are the perfluorinated sulfonic acids (PFSAs) and carboxylic acids (PFCAs). The physicochemical properties and partitioning behavior ...
  4. Degradation of chlorinated butenes and butadienes in granular iron columns.

    Journal of Environmental Science and Health, Pa... 44(12):1209 (2009) PMID 19847707

    Manufacturing facilities for production of chlorobutyl rubber have the potential to release a mixture of at least 5 chlorinated butenes and butadienes including trans-1,4-dichlorobutene-2 (1,4-DCB-2), 3,4-dichlorobutene-1 (3,4-DCB-1), 2,3,4-trichlorobutene-1 (TCB), 2-chlorobutadiene-1,3 (chlorop...
  5. A principal components analysis of the factors effecting personal exposure to air pollution in urban commuters in Dublin, Ireland.

    Journal of Environmental Science and Health, Pa... 44(12):1219 (2009) PMID 19847708

    Principal component analysis was used to examine air pollution personal exposure data of four urban commuter transport modes for their interrelationships between pollutants and relationships with traffic and meteorological data. Air quality samples of PM2.5 and VOCs were recorded during peak tra...
  6. Development and optimization of a culture medium for L-lactic acid production by Rhizopus oryzae using crude protein from dairy manure as a nitrogen source.

    Journal of Environmental Science and Health, Pa... 44(12):1306 (2009) PMID 19847719

    Experiments were conducted using the crude protein in fresh dairy manure as the nitrogen source in the culture media for Rhizopus oryzae to produce L-lactic acid. Two uniform design experiments were carried out with one for optimizing seed culture while the other for best percent L-lactic acid p...
  7. Performance of COD removal from oxide chemical mechanical polishing wastewater using iron electrocoagulation.

    Journal of Environmental Science and Health, Pa... 44(12):1289 (2009) PMID 19847717

    This study investigated the feasibility of chemical oxygen demand (COD) abatement from oxide chemical mechanical polishing (oxide-CMP) wastewater. The process variables, including applied voltage, electrolyte concentration and temperature, were evaluated in terms of COD removal efficiency. In ad...
  8. Solventless sampling of phthalate esters.

    Journal of Environmental Science and Health, Pa... 44(12):1233 (2009) PMID 19847710

    An environmentally friendly method to passively sample six phthalate esters in water has been devised. The sampling device consists of a semi-permeable membrane, which the analytes diffuse through and are collected onto Tenax TA. The Tenax TA was then thermally desorbed with a helium stream into...
  9. Corrosion control in water supply systems: effect of pH, alkalinity, and orthophosphate on lead and copper leaching from brass plumbing.

    Journal of Environmental Science and Health, Pa... 44(12):1251 (2009) PMID 19847713

    This study explored the potential of lead and copper leaching from brass plumbing in the Auckland region of New Zealand. A five-month field investigation, at six representative locations, indicated that Auckland's water can be characterized as soft and potentially corrosive, having low alkalinit...
  10. Effect of temperature over start-up of a groundwater-denitrifying submerged filter inoculated with psychrotolerant bacteria.

    Journal of Environmental Science and Health, Pa... 44(12):1298 (2009) PMID 19847718

    Inoculation of a submerged filter was carried out using three bacterial strains previously selected on the basis of their psychrotolerance and high denitrifying activity with the aim of apply selective inoculation to a submerged filter system for the denitrification of groundwater. Laboratory-sc...
  11. A blood lead benchmark for assessing risks from childhood lead exposure.

    Journal of Environmental Science and Health, Pa... 44(12):1200 (2009) PMID 19847706

    Lead exposure is an insidious problem, causing subtle effects in children at low exposure levels where clinical signs are not apparent. Although a target blood lead concentration (Pb(B)) of ten micrograms per deciliter (10 microg/dL) has been used as the basis for environmental decision-making i...
  12. Occurrence and distribution of polycyclic aromatic hydrocarbons in the Egyptian aquatic environment.

    Journal of Environmental Science and Health, Pa... 44(12):1237 (2009) PMID 19847711

    Persistent organic pollutants (POPs) such as polycyclic aromatic hydrocarbons (PAHs) are of great concern due to their persistence, bioaccumulation and toxic effects. In this study, water samples were collected during 2007-2008 from two catchment areas that represent two different models of the ...
  13. Irrigation with treated wastewater: effects on soil, lettuce (Lactuca sativa L.) crop and dynamics of microorganisms.

    Journal of Environmental Science and Health, Pa... 44(12):1261 (2009) PMID 19847714

    The aim of this study was to evaluate the applicability of treated wastewater for horticultural crops, assess the effects of continuous use of treated water on soil and crops, and analyse the physical, chemical and biological effects of irrigation with recycled water. Two lettuce plots watered w...
  14. Indoor air quality in university classrooms and relative environment in terms of mass concentrations of particulate matter.

    Journal of Environmental Science and Health, Pa... 44(12):1227 (2009) PMID 19847709

    The mass concentrations of coarse (PM10) and fine (PM2.5) particulate matter were measured in different classrooms and relevant indoors areas of Democritus University, School of Engineering, Xanthi, with portable aerosol monitoring equipment. Two sampling campaigns were conducted in different se...
  15. The bulk composition and leaching properties of electroplating sludge prior/following the solidification/stabilization by calcium oxide.

    Journal of Environmental Science and Health, Pa... 44(12):1282 (2009) PMID 19847716

    Eighteen samples of electroplating sludge were taken from three vertical profiles of waste storage pond of the zinc plating facility. Dry matter and organic matter content, pH value, bulk concentrations and leachate composition were determined. A sludge sample with the highest zinc value in the ...
  16. Critical factors in chemical characterization for the evaluation of decontamination in solids using advanced oxidation.

    Journal of Environmental Science and Health, Pa... 44(11):1052 (2009) PMID 19847695

    Advanced oxidation technologies (AOT) have been applied to the treatment of numerous organic pollutants embedded in solid matrices (e.g., soil, sediments, sludge, etc.). Given potentially strong matrix-analyte interactions in solids, chemical characterization of both the target contaminants and ...
  17. Influence of operational parameters on electro-Fenton degradation of organic pollutants from soil.

    Journal of Environmental Science and Health, Pa... 44(11):1104 (2009) PMID 19847700

    The combination of the Fenton's reagent with electrochemistry (the electro-Fenton process) represents an efficient method for wastewater treatment. This study describes the use of this process to clean soil or clay contaminated by organic compounds. Model soil of kaolinite clay polluted with the...
  18. Effect of H(2)SO(4) and HCl in the anode purging solution for the electrokinetic-Fenton remediation of soil contaminated with phenanthrene.

    Journal of Environmental Science and Health, Pa... 44(11):1111 (2009) PMID 19847701

    The Electrokinetic-Fenton (EK-Fenton) process is a powerful technology to remediate organic-contaminated soil. The behavior of salts and acids introduced for the pH control has significant influence on the H(2)O(2) stabilization and destruction of organic contaminants. In this study, the effects...
  19. Chemical degradation of PCB in the contaminated soils slurry: direct Fenton oxidation and desorption combined with the photo-Fenton process.

    Journal of Environmental Science and Health, Pa... 44(11):1120 (2009) PMID 19847702

    This paper reports the results of the direct treatment of PCBs sorbed to solid particles (glass beads and sand) employing the Fenton process. The results obtained with contaminated sandy soils show 98% removal of the original PCB structure and 82% dechlorination, all within a reaction time of 72...
  20. Effect of sorption on contaminant oxidation in activated persulfate systems.

    Journal of Environmental Science and Health, Pa... 44(11):1098 (2009) PMID 19847699

    Sorption of hydrophobic contaminants to soils and subsurface solids is a significant limitation for the in situ chemical oxidation (ISCO) remediation of contaminated sites. A recently developed ISCO reagent, activated persulfate, was investigated for its potential to provide enhanced treatment o...