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Technical rule [WITHDRAWN]
VDI 3857 Blatt 2:2014-02
Assessment values for accumulation of substances in grass cultures caused by ambient air pollution - Orientation values for maximum background levels of selected inorganic air pollutants
- German title
- Beurteilungswerte für immissionsbedingte Stoffanreicherungen in standardisierten Graskulturen - Orientierungswerte für maximale Hintergrundgehalte ausgewählter anorganischer Luftverunreinigungen
- Publication date
- 2014-02
- Original language
- German, English
- Pages
- 20
- Publication date
- 2014-02
- Original language
- German, English
- Pages
- 20
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Short description
By means of biological measuring techniques (bioindication), accumulation of air pollutants in plants can be determined quantitatively as immission-induced effects. In order to be able to classify and assess the substance content in standardised plant cultures, assessment values are consulted. The standard presents a suitable statistical method with which robust upper limits of substance contents in standardised grass cultures characteristic for background situations can be generated. The substance contents determined in this way reflect the operation-induced base contents including their fluctuation. They are called "Orientation values for maximum background level" (OmH). The OmH allow for assessing whether an immission-induced effect in excess of the background contamination is on hand. In addition, supraregional OmH for selected inorganic air pollutants are listed in the standard.
Content
ICS
13.040.01
Replacement amendments
This document has been replaced by: VDI 3857 Blatt 2:2021-07 .
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