lead
Let an agent explain lead and its properties and uses, provide health and safety information on lead exposure with attribution, describe regulation and remediation, and route exposure concerns to appropriate services.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Health Lead exposure.
Exposure
Suspected exposure.
Exposure
Exposure.
- Is there suspected lead exposure, especially of a child, and how can blood lead testing be arranged, according to health authorities? boundary
- Which symptoms warrant urgent care? provenance
Sources
Sources of exposure.
Sources
Sources.
- What are common sources of lead exposure in homes, work and hobbies, and how are they tested? provenance
- How is lead in water and paint remediated? provenance
Chemistry The element.
Properties
Properties and isotopes.
Properties
Properties.
- What are the physical and chemical properties of lead, and what are its isotopes, including lead-208 and radioactive isotopes? provenance
- Why is lead-208 the endpoint of decay chains? definition
Compounds
Lead compounds.
Compounds
Compounds.
- Which lead compounds are important, and how are they used and regulated? provenance
- Which entry fits a specific compound? action
Use Uses and regulation.
Uses
Current uses.
Uses
Uses.
- How is lead used today in batteries, shielding and other products, and how is it recycled? provenance
- Which uses have been phased out? provenance
Regulation
Regulation.
Regulation
Regulation.
- Which limits and restrictions on lead apply here, in water, paint, products and workplaces? provenance
- How is compliance monitored? provenance
History History and policy.
History
History of lead use.
History
History.
- How has lead been used since antiquity, and how did understanding of its toxicity develop? provenance
- What happened with leaded petrol and paint? provenance
Policy
Public health policy.
Policy
Policy.
- What do public health bodies say about remaining lead burdens and priorities? provenance
- Which entry fits lead poisoning? action
Classifiers Filled
- Family
- Thing Registry
- Category
- Physical world and living systems
- Entry kind
- thing
- Plane
- PHY
- Domain
- PHY.MAT
- Other names and narrower kinds
- lead-208, lead-178, lead-179, lead-180, lead-181, lead-182, lead-183, lead-183m, lead-184, lead-185, lead-185m, lead-186
What it is Filled
A dense, soft, malleable heavy metal, atomic number 82, with isotopes including the stable lead-208 and many radioactive isotopes, used historically in pipes, paint, petrol additives and solder and today in batteries, radiation shielding and ammunition; lead is toxic, especially to children, and its use is heavily regulated and monitored in water, paint, soil and air.
Why it exists Filled
Let an agent explain lead and its properties and uses, provide health and safety information on lead exposure with attribution, describe regulation and remediation, and route exposure concerns to appropriate services.
Distinguishing features Filled
- Heavy and dense
- Toxic
- Radiation shielding
- Regulated
What robots and AI may and may not do Filled
Must not
- Downplay lead exposure risks, especially to children and pregnant women.
- Advise sanding, burning or removing lead paint without protection and rules.
- Present water from lead pipes as safe without testing.
- Advise disposal of lead batteries or waste outside regulated routes.
Only with a human decision
- Health decisions after lead exposure.
- Remediation of lead in homes or water supplies.
May
- Report lead in water, paint, soil and products from official testing and regulations.
- Help find testing services and authorities when lead exposure is suspected.
Moral aspects Filled
- Lead poisoning harms children's development permanently and falls hardest on poor communities.
- Workers in recycling and smelting carry heavy exposure.
Who is affected
- Children
- Pregnant women
- Workers
Owners Filled
Steward
Nobody owns the element; holders, water utilities and regulators answer for exposure.
Master systems
- Water quality and environmental monitoring records
Links to other meta-models Filled
parent
- Q105789 - registry parent class
related
- heavy metal - category
- chemical element - category
- oxide - lead oxides
- Abundance of elements in Earth crust - a trace element
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.lead
- Wikidata: Q708 (https://www.wikidata.org/wiki/Q708)
Direct properties required Filled
- Mass density: Approximately 11.3 g/cm3 - This approximate value applies to solid elemental lead near room temperature.
- Melting temperature: Approximately 327 degrees Celsius - This approximate value applies to pure elemental lead at ordinary atmospheric pressure.
- Boiling temperature: Approximately 1749 degrees Celsius - This approximate value applies to elemental lead at ordinary atmospheric pressure.
Recognition required Filled
- Dense, soft grey metal
- Atomic number 82
- Tin and zinc are lighter and differ in colour
- A dull grey, heavy, soft metal.
Capabilities and actions required Filled
- explain properties, isotopes and uses
- provide lead exposure health information
- describe regulation and testing
- route exposure concerns
Hazards and failure modes required Filled
- Lead poisoning, especially in children
- Contaminated water from lead pipes
- Occupational exposure
Standards and interfaces required Filled
- Drinking water and paint lead limits
- Occupational exposure limits
- Restrictions on lead in products such as RoHS
Context of use required Filled
- A heavy metal element with major health significance.
- lead metal and alloys
- lead isotopes including lead-208 and short-lived isotopes
- lead compounds such as oxides and salts
- lead in products such as batteries and solder
- legacy lead in paint, pipes and soil
Sources Filled
- Wikidata item Q708: lead - identity and sense of the item
- Wikipedia: Lead - general description of the item
Open questions
- Should lead poisoning be a separate entry?
- How should testing services be localised?
- How should isotope data be linked?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-q708/spec.json