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The values presented below are from Annex 1, Table 1, "Groundwater target values and soil and groundwater intervention values". In previous versions of the Dutch Standards, target values for soil were also present. However, in the 2009 version, target values for soils have been deleted for all compounds except metals.
Dichloromethane (DCM, methylene chloride, or methylene bichloride) is an organochlorine compound with the formula C H 2 Cl 2. This colorless, volatile liquid with a chloroform-like, sweet odor is widely used as a solvent. Although it is not miscible with water, it is slightly polar, and miscible with many organic solvents. [12]
The most important is dichloromethane, which is mainly used as a solvent. Chloromethane is a precursor to chlorosilanes and silicones . Historically significant (as an anaesthetic), but smaller in scale is chloroform, mainly a precursor to chlorodifluoromethane (CHClF 2 ) and tetrafluoroethene which is used in the manufacture of Teflon.
Environmental chemistry is used by the Environment Agency in England, Natural Resources Wales, the United States Environmental Protection Agency, the Association of Public Analysts, and other environmental agencies and research bodies around the world to detect and identify the nature and source of pollutants. These can include:
Many kinds of seaweed produce chloroform, and fungi are believed to produce chloroform in soil. [ 3 ] Most of the haloforms — specifically, chloroform ( CHCl 3 ), bromoform ( CHBr 3 ), and iodoform ( CHI 3 ) — are easy to prepare through the haloform reaction , although this method does not lend itself to bulk syntheses.
In other projects Wikidata item; Appearance. ... for this chemical from a reliable source and follow its directions. ... log 10 of Dichloromethane vapor pressure.
Environmental soil science addresses both the fundamental and applied aspects of the field including: buffers and surface water quality, vadose zone functions, septic drain field site assessment and function, land treatment of wastewater, stormwater, erosion control, soil contamination with metals and pesticides, remediation of contaminated ...
January 2019 - subscribed project to article alerts. May 2016 - started Template:Soil science topics; May 2010 - template:Infobox soil has been created by Chiton magnificus. Feel free to modify it and to add it to soil articles. April 2008 - Two public domain soil profile photographs, uploaded by briefly active User:Jimjet, deleted as unsourced ...