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threshold limit value

upper limit on the concentration in the air of a hazardous substance in the workplace, exposed on a long-term basis without adverse effects
Class type of: critical value Q21005

Facts

4 properties
Subclass of
critical value
Part of
operational risk management[2]
Described by source
Encyclopedia of Armenian Nature[3]
Different from
NDS[4]
🏷️ Also known as
en threshold limit value en threshold limit values en TLV ar قيمة حد العتبة da grænseværdi de MAK de MAK-Wert de Maximale Arbeitsplatz-Konzentration en-gb occupational exposure limit es Límite de exposicion profesional es Limite de exposicion profesional es Limite de exposición profesional es límite de exposición profesional fi HTP fi HTP-arvo fr valeur d'exposition fr Valeur d'exposition moyenne pondérée fr Valeur limite fr Valeur limite d'exposition fr Valeur moyenne d'exposition
🔖 Identifiers · 13
Library of Congress authority ID
sh85135047
OpenAlex ID
C64413873, C2909659737
Image (Wikimedia Commons)
Hierarchies of Exposure Assessment and Management.JPG ↗
Cultureel Woordenboek ID
levenswetenschappen-en-geneeskunde/mac-waarde
Freebase ID
/m/04hyl0
IUPAC Gold Book ID
TT06915
Krugosvet article (archived)
nauka_i_tehnika/himiya/PREDELNO_DOPUSTIMAYA_KONTSENTRATSIYA_PDK_VREDNIH_VESHCHESTV.html
Lex ID
grænseværdi
MeSH descriptor ID
D020711
MeSH tree code
N03.706.615.917, N06.850.460.350.600.807
Microsoft Academic ID (discontinued)
64413873
National Library of Israel J9U ID
987007536586905171
Show all 13 identifiers +1
Yale LUX ID
concept/bf36b583-8bb9-4b9c-b979-ed1a0177e34c

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Subtypes 3
Permissible exposure limit, Immediately dangerous to life or health, occupational exposure limit
Different from 1
NDS
Examples 1
Recommended exposure limit
Subclass of 1
critical value
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Summary

threshold limit value is a type of critical value[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). threshold limit value. Retrieved November 4, 2026, from https://4ort.xyz/entity/threshold-limit-value
MLA “threshold limit value.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/threshold-limit-value.
BibTeX @misc{4ortxyz_threshold-limit-value_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{threshold limit value}}, year = {2026}, url = {https://4ort.xyz/entity/threshold-limit-value}, note = {Accessed: 2026-11-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): threshold limit value — https://4ort.xyz/entity/threshold-limit-value (retrieved 2026-11-04)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 24w ago · Twofivesixbot bot · 2026-05-23 view diff on Wikidata ↗
    Part of → operational risk management
    Subclass of → —
    Subclass of → critical value
    Aliases → —
    + 3 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|2 */ National Library of Israel J9U ID: 987007536586905171, mv to monolingual text names on J9U statements"
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