MeSH Browser

MeSH Heading: Maximum Allowable Concentration
Tree Number(s): N06.850.460.350.210; N06.850.460.350.600.615
Unique ID: D008452
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D008452
Annotation: usually NIM; coordinate with specific drug or substance (without qualifiers)
Scope Note: The maximum exposure to a biologically active physical or chemical agent that is allowed during an 8-hour period (a workday) in a population of workers, or during a 24-hour period in the general population, which does not appear to cause appreciable harm, whether immediate or delayed for any period, in the target population. (From Lewis Dictionary of Toxicology, 1st ed)
Entry Term(s): MPEL; Maximum Permissible Exposure Concentration; Maximum Permissible Exposure Level
Previous Indexing: appropriate environment heading (1966-1968); Environmental Health (1966-1968); specific agent (1966-1968)
Public MeSH Note: 1991; see MAXIMUM PERMISSIBLE EXPOSURE LEVEL 1991-1999, see ENVIRONMENTAL EXPOSURE 1975-1990; for MAXIMUM ALLOWABLE CONCENTRATION see MAXIMUM PERMISSIBLE EXPOSURE LEVEL 1976-1999
History Note: 2000(1991)
Date Established: 1991/01/01
Date of Entry: 1999/01/01
Revision Date: 2008/07/08

Concept UI: M0013147
Scope Note: The maximum exposure to a biologically active physical or chemical agent that is allowed during an 8-hour period (a workday) in a population of workers, or during a 24-hour period in the general population, which does not appear to cause appreciable harm, whether immediate or delayed for any period, in the target population. (From Lewis Dictionary of Toxicology, 1st ed)
Terms: Maximum Allowable Concentration Preferred Term
Term UI T025105
Date12/11/1974
LexicalTag NON
ThesaurusID UNK (19XX); Maximum Permissible Exposure Level
Term UI T025106
Date01/01/1999
LexicalTag NON
ThesaurusID NLM (1969); Maximum Permissible Exposure Concentration
Term UI T365481
Date11/03/1999
LexicalTag NON
ThesaurusID NLM (2000); MPEL
Term UI T365482
Date11/03/1999
LexicalTag NON
ThesaurusID NLM (2000)

Maximum Allowable Concentration MeSH Descriptor Data 2024