The distribution of topically applied heavy metals in the soil

Taylor, Richard W.; Griffin, G. F.

doi:10.1007/bf02205035

Cited by 10 publications

(3 citation statements)

References 12 publications

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“…An earlier study showed very little movement of Cd or Pb in columns of Decatur soil when applied as sewage sludge or sulfate salts (9). However, Taylor and Griffin (10) found Cd to be far more mobile than Pb in a Paxton fine sandy loam when applied to the soil surface as nitrate salts and leached intermittently for 30 weeks. Hulett et al ( 11) characterized several fly ash specimens and separated them into amorphous glass, mullite quartz (3 1203•2 Si02), and magnetic spinel (Fe304) matrices.…”

Section: Resultsmentioning

confidence: 97%

“…Indirect-acting bacterial mutagens (5) such as benzo[a] pyrene and other polynuclear aromatic hydrocarbons (PAH) have long been known to be present in automobile exhaust (6, 7). There has been a large effort in the past few years to identify the compounds in vehicular and atmospheric particulate extracts responsible for the direct-acting bacterial mutagenicity (1,2,(8)(9)(10)(11)(12).…”

Section: Resultsmentioning

confidence: 99%

“…Previous work in this laboratory resulted in the detection of 1-nitropyrene (1NP), a potent direct-acting bacterial mutagen, in dilution-tunnel-generated samples of lightduty diesel exhaust particulate extracts (10,13,14). Subsequently the presence of over 50 nitro-PAH compounds has been indicated by various laboratories in dilution-tunnel-generated light-duty diesel particulate extracts (15-25); 1NP has also been detected in spark-ignition engine particulate extracts (22,23).…”

Section: Resultsmentioning

confidence: 99%

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Mobility in soil and plant availability of metals derived from incinerated municipal refuse

Giordano¹,

Behel²,

Lawrence³

et al. 1983

Environ. Sci. Technol.

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Fly ash residues from several sites in which solid municipal refuse is being incinerated for energy production were found to contain excessive amounts of cadmium and/or lead according to an empirical extraction test (0.5 N acetic acid) developed by the Environmental Protection Agency. Samples of associated bottom ashes contained acceptable levels of Cd and Pb, but several were marginal with respect to Pb content. Leaching tests clearly demonstrated that Cd and, to a lesser extent, Pb were mobile in soil when applied in a fly ash matrix. The high chloride content (10-12%), which is characteristic of these ashes, resulted in metal complexation and enhanced Cd and Pb mobility in soil. Normally these elements are relatively immobile in soils when applied as inorganic salts or contained in municipal sewage sludge. Plant uptake of Cd and Pb in a greenhouse test was marked when fly or finely ground bottom ashes were soil applied. Phytotoxicity of fly ash appeared to be associated with the high salt content rather than with a specific metal.

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Section: Resultsmentioning

confidence: 97%