Property talk:P2717

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no-observed-adverse-effect level
greatest concentration or amount of a substance, found by experiment or observation, which causes no detectable adverse alteration of morphology, functional capacity, growth, development, or life span of the target organism under defined conditions of exposure

Represents	no observable adverse effect level (Q1755926)
Data type	Quantity
Domain	chemicals (note: this should be moved to the property statements)
Allowed values	According to this template: numbers with units in amount per kilo per day for a specific animal using a specific administration route during a defined duration (administration route, animal and duration should be qualifiers) According to statements in the property: 0 ≤ 𝓧 ≤ 1,000,000,000,000 When possible, data should only be stored as statements
Allowed units	milligram per cubic metre (Q21077820) or parts per million (Q21006887)
Example	According to this template: chlorobenzene (Q407768): 27.25 mg/kg bw/day, applies to taxon (P2352): dog, route of administration (P636): oral exposure, duration (P2047): 13 weeks According to statements in the property: chlorobenzene (Q407768) → 27.25 milligram per kilogram When possible, data should only be stored as statements
Source	http://toxnet.nlm.nih.gov
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Minimum and maximum Items with highest numeric value Items with lowest numeric value Database reports/Constraint violations/P2717 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 3 Main statement 2 66.7% of uses Qualifier 1 33.3% of uses

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Range from “0” to “1000000000000”: values should be in the range from “0” to “1000000000000”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2717#Range

Units: “milligram per cubic metre (Q21077820), parts per million (Q21006887)”: value unit must be one of listed. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2717#Units

Qualifiers “applies to taxon (P2352), route of administration (P636), duration (P2047), reason for deprecated rank (P2241), reason for preferred rank (P7452)”: this property should be used only with the listed qualifiers. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2717#allowed qualifiers, SPARQL

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P2717#Scope, hourly updated report, SPARQL

Citation needed: the property must have at least one reference (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2717#citation needed

This property is being used by: ca:Plantilla:Infotaula compost químic eu:Txantiloi:Konposatu kimiko infotaula/probak, eu:Txantiloi:Konposatu kimiko infotaula ha:Template:Infobox chemical, ha:Samfuri:Infobox chemical incubator:Template:Wp/shi/Infobox chemical kab:Talɣa:Infobox chemical shi:Talɣa:Infobox chemical ga:Teimpléad:WD Bosca Sonraí Comhdhúil Cheimiceach ff:Template:Infobox chemical gv:Clowan:WD Kishtey Fys Co-vunstoo Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)