{ "model": { "rank": 2039, "code": "thing-q4087", "model_id": "vr.tr.ammonia", "name": "ammonia", "purpose": "Enable an AI agent to recognise ammonia-bearing material, judge its current condition and determine which handling or use decisions require further evidence.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.MAT", "industry": "", "version": "", "url": "/models/thing/q4087/", "tier": 2, "score": 117, "payload": { "layer": "wikidata", "aliases": [ "Green ammonia", "ammonia N-13", "Ammonia-14N", "(¹⁵N)Ammonia", "(¹⁶N)Ammonia" ], "aliasCount": 5, "merged": 5, "knownIn": 117, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.ammonia-substance", "source": { "dataset": "wikidata", "item": "Q4087", "url": "https://www.wikidata.org/wiki/Q4087", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T09:30:51Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.0125732, "turns": 1, "seconds": 138.7, "error": null }, "codex": { "seconds": 84.4, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b30-3bdc-7521-8357-bfddc7da1e25\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: ammonia\nRegistry id: vr.tr.ammonia\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy m" } } }, "metaModel": { "id": "THING-Q4087", "registryId": "vr.tr.ammonia", "name": "ammonia", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q4087/", "model": { "registry_id": "vr.tr.ammonia", "name": "ammonia", "purpose": "Enable an AI agent to recognise ammonia-bearing material, judge its current condition and determine which handling or use decisions require further evidence.", "definition": "Ammonia is the inorganic hydride NH3: a colourless, pungent, alkaline gas at ambient conditions that is readily liquefied under modest pressure, highly soluble in water as a weak Brønsted base in equilibrium with ammonium, and the principal reduced-nitrogen industrial intermediate from catalytic hydrogenation of dinitrogen.", "scope_statement": "This model owns the identity, composition, physical state, condition and action-relevant constraints of ammonia as a substance or identified material quantity, distinguishing anhydrous ammonia from ammonia in solution and relating it to its containment and intended use.", "in_scope": [ "Identification of ammonia as NH3 and distinction from ammonium ions and ammonium salts", "Anhydrous ammonia and ammonia in aqueous solution, with explicit composition boundaries", "Physical phase and condition at recorded temperature and pressure", "Purity, contaminants and suitability for a declared application", "Ammonia-specific release, exposure and chemical compatibility constraints", "Evidence needed to permit, restrict or defer an operation involving the material" ], "out_of_scope": [ "Design, inspection and maintenance of tanks, cylinders, valves and refrigeration equipment", "Design and operation of ammonia synthesis or conversion plants", "Independent models of ammonium salts and finished fertiliser formulations", "Clinical assessment and treatment of exposed people", "Facility-wide emergency response and environmental dispersion modelling", "Commercial contracts, shipment administration and lifecycle emissions accounting" ], "distinguishing_features": [ "Require identity evidence for NH3; an ammonium result alone does not establish that the material is ammonia.", "Distinguish anhydrous ammonia from aqueous ammonia using measured or specified water content rather than the product name alone.", "Distinguish free ammonia from total ammonia in solution by checking the analytical definition, reporting basis and sample conditions.", "Distinguish refrigerated or pressurised liquid ammonia from aqueous ammonia: a liquid appearance does not establish that water is present.", "Distinguish ammonia from amines or other alkaline materials through substance-specific identification; odour and pH alone are insufficient." ], "characteristics": [ { "name": "Material identity", "kind": "category", "unit_or_values": "NH3 identity supported; ammonia-containing mixture; identity unresolved", "why_it_matters": "Prevents decisions based on a name, odour or nonspecific analytical result." }, { "name": "Material form", "kind": "category", "unit_or_values": "Anhydrous ammonia; aqueous ammonia; other ammonia-containing mixture; unresolved", "why_it_matters": "Separates materials whose concentration, phase behaviour and handling requirements differ." }, { "name": "Ammonia concentration", "kind": "measurement", "unit_or_values": "Mass fraction, molar concentration or gas mole fraction, with explicit NH3 versus nitrogen reporting basis", "why_it_matters": "Makes composition interpretable and prevents incompatible concentration conventions from being compared." }, { "name": "Water content", "kind": "measurement", "unit_or_values": "Mass fraction or mg/kg, with method and detection limit", "why_it_matters": "Supports the anhydrous-versus-solution distinction and application-specific quality decisions." }, { "name": "Temperature", "kind": "measurement", "unit_or_values": "°C or K, with observation time and location", "why_it_matters": "Helps interpret phase, pressure, volatility and whether prior measurements remain applicable." }, { "name": "Absolute pressure", "kind": "measurement", "unit_or_values": "kPa absolute or bar absolute", "why_it_matters": "Supports interpretation of physical state and potential behaviour during pressure changes." }, { "name": "Observed phase condition", "kind": "state", "unit_or_values": "Gas; liquid; solid; liquid-vapour coexistence; other multiphase condition; unresolved", "why_it_matters": "Constrains sampling, transfer and interpretation of the material inventory." }, { "name": "Aqueous speciation context", "kind": "measurement", "unit_or_values": "pH and temperature, with free NH3 or total ammonia result and analytical definition; not applicable where no aqueous phase exists", "why_it_matters": "Prevents total ammonia from being treated as a direct measure of free NH3." }, { "name": "Impurity profile", "kind": "measurement", "unit_or_values": "Named constituents in mg/kg, mass fraction or another explicit basis, with detection limits", "why_it_matters": "Determines whether the material meets the requirements of its intended application." }, { "name": "Containment and contact context", "kind": "relation", "unit_or_values": "Linked containment asset, wetted materials, connected receiving system and compatibility evidence", "why_it_matters": "Connects the ammonia condition to the equipment and substances involved in a proposed operation." }, { "name": "Application qualification", "kind": "state", "unit_or_values": "Unassessed; qualified for a named use; restricted; rejected; evidence expired", "why_it_matters": "Avoids treating a grade label as universal permission to use the material." } ], "affordances": [ "Request substance-specific identification or resolve an ambiguous ammonia label.", "Compare composition and impurity evidence with a named application specification.", "Assess whether observed temperature, pressure and phase are mutually consistent.", "Evaluate a proposed storage, transfer, dilution or use operation against ammonia-specific constraints and linked procedures.", "Flag release evidence or incompatible contact conditions for the appropriate operational response.", "Hold, qualify or reject a material quantity when identity, condition or supporting evidence is insufficient." ] }, "sources": [ { "id": "pubchem-222", "title": "Compound Summary for CID 222, Ammonia - NCBI PubChem, National Library of Medicine", "url": "https://pubchem.ncbi.nlm.nih.gov/compound/222", "what_it_supports": "Identity (CAS, InChIKey, molecular formula), physical constants, GHS classification, and common uses.", "url_status": "live" }, { "id": "nist-webbook-nh3", "title": "Ammonia (CAS 7664-41-7) - NIST Chemistry WebBook, National Institute of Standards and Technology", "url": "https://webbook.nist.gov/cgi/cbook.cgi?ID=C7664417", "what_it_supports": "Evaluated boiling point, melting point, critical constants, vapour pressure, and thermochemistry.", "url_status": "live" }, { "id": "niosh-npg-ammonia", "title": "Pocket Guide to Chemical Hazards: Ammonia - National Institute for Occupational Safety and Health (CDC/NIOSH)", "url": "https://www.cdc.gov/niosh/npg/npgd0028.html", "what_it_supports": "Occupational exposure limits, IDLH, physical description, incompatibilities, and inhalation/contact hazards.", "url_status": "live" }, { "id": "ullmann-ammonia", "title": "Ammonia - Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH", "url": "", "what_it_supports": "Haber-Bosch manufacture, commercial grades, fertilizer and downstream chemical uses, handling practice, and materials of construction." } ], "structure": { "bundles": [ { "id": "ammonia-identity-and-boundary", "name": "Ammonia identity and material boundary", "description": "Establishes what the ammonia designation refers to and which physical quantity or mixture is being assessed.", "rationale": "Ammonia, aqueous ammonia and ammonium-bearing materials cannot be treated as interchangeable identities.", "layers": [ { "id": "nh3-identification", "name": "NH3 identification", "description": "Separates chemical identity evidence from labels and nonspecific observations.", "findings": [ { "id": "identity-evidence", "name": "Evidence for ammonia identity", "description": "Records the basis for identifying NH3 and any unresolved alternatives.", "questions": [ { "text": "What evidence identifies NH3 rather than an ammonium salt, an amine or another alkaline material?", "kind": "definition", "id": "identity-evidence-q01" }, { "text": "Which supplier record, analytical result or other traceable evidence supports that identification?", "kind": "provenance", "id": "identity-evidence-q02" } ] } ] }, { "id": "anhydrous-and-mixture-boundaries", "name": "Anhydrous and mixture boundaries", "description": "Defines whether the subject is anhydrous ammonia, an aqueous solution or ammonia within another mixture.", "findings": [ { "id": "material-referent", "name": "Material referent and composition boundary", "description": "Makes the assessed material and the basis of its ammonia designation explicit.", "questions": [ { "text": "Does this record describe anhydrous ammonia, an aqueous solution or the ammonia component of another material?", "kind": "boundary", "id": "material-referent-q01" }, { "text": "What water-content evidence and applicable specification support any claim that the material is anhydrous?", "kind": "measurement", "id": "material-referent-q02" }, { "text": "Which batch, vessel contents, stream interval or sample does the identity evidence actually cover?", "kind": "boundary", "id": "material-referent-q03" } ] } ] } ] }, { "id": "phase-and-aqueous-speciation", "name": "Phase and aqueous speciation", "description": "Describes ammonia's physical condition and, where water is present, the interpretation of dissolved ammonia measurements.", "rationale": "The same ammonia inventory can require different decisions depending on phase, pressure, temperature and aqueous speciation.", "layers": [ { "id": "physical-state-context", "name": "Physical state context", "description": "Relates observed phase to the conditions under which it was measured.", "findings": [ { "id": "phase-condition-consistency", "name": "Phase and condition consistency", "description": "Records whether phase observations and operating conditions form a coherent account of the material.", "questions": [ { "text": "What phases are present, and what temperature and absolute pressure were recorded at the same location and time?", "kind": "measurement", "id": "phase-condition-consistency-q01" }, { "text": "What validated property information supports interpreting this material as a single phase or a liquid-vapour inventory?", "kind": "provenance", "id": "phase-condition-consistency-q02" }, { "text": "Could the proposed operation change phase, and which assessment must be completed before it proceeds?", "kind": "action", "id": "phase-condition-consistency-q03" } ] } ] }, { "id": "dissolved-ammonia-interpretation", "name": "Dissolved ammonia interpretation", "description": "Distinguishes free NH3, ammonium and total ammonia in aqueous measurements.", "findings": [ { "id": "aqueous-result-basis", "name": "Aqueous result basis", "description": "Captures the analytical and sample conditions needed to interpret an ammonia result in water.", "questions": [ { "text": "Does the result measure free NH3, ammonium or total ammonia, and is it reported as NH3 or as nitrogen?", "kind": "definition", "id": "aqueous-result-basis-q01" }, { "text": "What pH, temperature and sample handling conditions accompany the result?", "kind": "measurement", "id": "aqueous-result-basis-q02" }, { "text": "If free NH3 is calculated, what method and applicability limits support that calculation for this solution?", "kind": "provenance", "id": "aqueous-result-basis-q03" } ] } ] } ] }, { "id": "composition-and-use-quality", "name": "Composition and use quality", "description": "Establishes ammonia concentration, relevant impurities and fitness for a declared use.", "rationale": "A material described as ammonia may still be unsuitable for a particular refrigerant, reagent, feedstock or other application.", "layers": [ { "id": "assay-and-contamination", "name": "Assay and contamination", "description": "Connects composition measurements to representative samples and explicit reporting conventions.", "findings": [ { "id": "composition-confidence", "name": "Composition confidence", "description": "Records how well ammonia content and application-relevant contaminants are known.", "questions": [ { "text": "What ammonia concentration, water content and named impurity results are available, with units, uncertainty and detection limits?", "kind": "measurement", "id": "composition-confidence-q01" }, { "text": "How was the sample obtained and preserved to address ammonia loss or contamination before analysis?", "kind": "provenance", "id": "composition-confidence-q02" } ] } ] }, { "id": "application-specific-acceptance", "name": "Application-specific acceptance", "description": "Relates measured quality to the requirements of the actual receiving process.", "findings": [ { "id": "declared-use-qualification", "name": "Declared use qualification", "description": "Keeps acceptance conditional on a named specification and current evidence.", "questions": [ { "text": "Which specification defines acceptable ammonia content, water and impurities for the intended use?", "kind": "provenance", "id": "declared-use-qualification-q01" }, { "text": "Do the available results justify acceptance, restriction, rejection or further sampling for that use?", "kind": "action", "id": "declared-use-qualification-q02" }, { "text": "What storage, transfer or contamination event would invalidate the current qualification?", "kind": "boundary", "id": "declared-use-qualification-q03" } ] } ] } ] }, { "id": "containment-contact-and-release", "name": "Containment, contact and release", "description": "Connects ammonia condition to contact compatibility and evidence of escape from its intended boundary.", "rationale": "Handling decisions require evidence about the actual containment, contacted substances and release conditions, beyond the identity NH3.", "layers": [ { "id": "contact-compatibility", "name": "Contact compatibility", "description": "Examines ammonia's contact with equipment materials and other substances under the recorded conditions.", "findings": [ { "id": "compatible-contact-evidence", "name": "Compatible contact evidence", "description": "Requires condition-specific support for wetted materials and possible chemical contact.", "questions": [ { "text": "Which metals, seals, lubricants and other materials contact this ammonia, and what evidence supports their compatibility at its composition and conditions?", "kind": "provenance", "id": "compatible-contact-evidence-q01" }, { "text": "Could this material contact acids, oxidising agents, cleaning chemicals or an unidentified residue?", "kind": "boundary", "id": "compatible-contact-evidence-q02" }, { "text": "Which compatibility gaps require the proposed connection or operation to be held?", "kind": "action", "id": "compatible-contact-evidence-q03" } ] } ] }, { "id": "release-and-exposure-evidence", "name": "Release and exposure evidence", "description": "Records ammonia outside its intended containment and routes observations to relevant procedures.", "findings": [ { "id": "release-status", "name": "Release status and measurement meaning", "description": "Distinguishes evidence of release from missing, limited or stale monitoring.", "questions": [ { "text": "What ammonia measurements or other observations indicate a release, and where and when were they obtained?", "kind": "measurement", "id": "release-status-q01" }, { "text": "What detector range, calibration status and sampling limitations constrain interpretation of those observations?", "kind": "provenance", "id": "release-status-q02" }, { "text": "Which applicable site procedure and verified trigger govern escalation or restriction of operations?", "kind": "action", "id": "release-status-q03" } ] } ] } ] }, { "id": "ammonia-operation-readiness", "name": "Ammonia operation readiness", "description": "Determines whether a specific operation is supported by the material evidence and receiving conditions.", "rationale": "Recognising ammonia does not establish that a particular transfer, dilution or use is permissible.", "layers": [ { "id": "transfer-and-conditioning", "name": "Transfer and conditioning", "description": "Assesses the material-side prerequisites for movement or deliberate changes in concentration or state.", "findings": [ { "id": "operation-preconditions", "name": "Operation preconditions", "description": "Connects a proposed operation to ammonia-specific phase, composition and compatibility checks.", "questions": [ { "text": "Does the proposed operation involve gas, liquefied ammonia or aqueous ammonia, and what receiving conditions are specified?", "kind": "boundary", "id": "operation-preconditions-q01" }, { "text": "What approved assessment addresses relevant pressure changes, phase changes and heat effects from dilution or absorption?", "kind": "provenance", "id": "operation-preconditions-q02" }, { "text": "Which unresolved material conditions prevent the operation from being authorised?", "kind": "action", "id": "operation-preconditions-q03" } ] } ] }, { "id": "decision-validity-and-reassessment", "name": "Decision validity and reassessment", "description": "Makes operational decisions conditional on the ammonia quantity and evidence to which they apply.", "findings": [ { "id": "conditional-operation-decision", "name": "Conditional operation decision", "description": "Records the supported decision and the changes that require renewed assessment.", "questions": [ { "text": "For which ammonia quantity, intended use and operating conditions is the operation permitted, restricted or held?", "kind": "action", "id": "conditional-operation-decision-q01" }, { "text": "Which change in concentration, water content, temperature, pressure, contamination or containment requires reassessment?", "kind": "boundary", "id": "conditional-operation-decision-q02" }, { "text": "Which observations, specifications and responsible approval support the current decision?", "kind": "provenance", "id": "conditional-operation-decision-q03" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Anhydrous ammonia (compressed liquefied NH3)", "Aqueous ammonia / ammonium hydroxide solutions", "Fertilizer-grade anhydrous ammonia", "Refrigeration-grade ammonia (R-717)", "Electronic-grade / ultra-high-purity ammonia", "Reagent and ACS laboratory grades", "Household (dilute) aqueous ammonia", "Grey, blue, or green ammonia (same substance, distinguished by production carbon intensity)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of ammonia this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "scheme": "Wikidata", "value_or_pattern": "Q4087", "note": "Item for the chemical substance ammonia." }, { "scheme": "CAS Registry Number", "value_or_pattern": "7664-41-7", "note": "Anhydrous ammonia; aqueous solutions are often indexed under the same CAS in commerce." }, { "scheme": "EC / EINECS", "value_or_pattern": "231-635-3", "note": "European Community inventory number." }, { "scheme": "PubChem CID", "value_or_pattern": "222", "note": "NCBI compound identifier." }, { "scheme": "ChEBI", "value_or_pattern": "CHEBI:16134", "note": "Chemical Entities of Biological Interest." }, { "scheme": "UN number", "value_or_pattern": "UN 1005 (anhydrous); UN 2672 (aqueous, typically 10-35%)", "note": "Transport of dangerous goods; other UN numbers apply to some weaker or specialised solutions." }, { "scheme": "Harmonized System", "value_or_pattern": "2814.10 (anhydrous); 2814.20 (in aqueous solution)", "note": "HS heading 2814, ammonia, anhydrous or in aqueous solution." }, { "scheme": "ASHRAE refrigerant number", "value_or_pattern": "R-717", "note": "Closed-circuit refrigeration grade." }, { "scheme": "InChIKey", "value_or_pattern": "QGZKDVFQNNGYKY-UHFFFAOYSA-N", "note": "Standard hashed InChI for NH3." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of ammonia this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "OSHA 29 CFR 1910.1000 Table Z-1 - permissible exposure limit 50 ppm (35 mg/m³) TWA (U.S. Occupational Safety and Health Administration)", "NIOSH Recommended Exposure Limit 25 ppm TWA and 35 ppm STEL; IDLH 300 ppm (U.S. National Institute for Occupational Safety and Health)", "ACGIH TLV-TWA 25 ppm and TLV-STEL 35 ppm (American Conference of Governmental Industrial Hygienists)", "ANSI/CGA G-2.1 (historically ANSI K61.1) - Safety Requirements for the Storage and Handling of Anhydrous Ammonia (Compressed Gas Association / ANSI)", "IIAR 2 - Safe Design of Closed-Circuit Ammonia Refrigeration Systems (International Institute of Ammonia Refrigeration / ANSI)", "ASHRAE Standard 15 - Safety Standard for Refrigeration Systems (ASHRAE)", "CLP Regulation (EC) No 1272/2008 - GHS classification and labelling in the EU (European Commission)", "UN Model Regulations / ADR / IMDG - transport as UN 1005 or UN 2672 (UNECE / IMO)", "U.S. EPA CERCLA hazardous substance, reportable quantity 100 lb for anhydrous ammonia (U.S. Environmental Protection Agency)" ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of ammonia this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Haber-Bosch product used as the feedstock for urea, ammonium nitrate, ammonium sulfate and other nitrogen fertilizers (the large majority of world output).", "Injected as anhydrous liquid into soil in North American grain agriculture from nurse tanks.", "Industrial refrigerant R-717 in food cold stores, ice rinks, breweries and process chillers.", "Dilute aqueous cleaner (household 'ammonia').", "Intermediate for nitric acid, caprolactam/nylon, explosives, and many nitrogen chemicals.", "NOx control: injected or generated from urea in selective catalytic reduction on power plants and diesel exhaust.", "High-purity gas for silicon nitride and related CVD in semiconductor fabrication.", "Chloramination of drinking water (ammonia dosed with chlorine) and pH/alkalinity adjustment in process water." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of ammonia this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "quantity": "Normal boiling point", "typical_range": "-33.33", "unit": "°C" }, { "quantity": "Melting point", "typical_range": "-77.73", "unit": "°C" }, { "quantity": "Vapour pressure at 20 °C", "typical_range": "850-860", "unit": "kPa" }, { "quantity": "Liquid density at the normal boiling point", "typical_range": "680-685", "unit": "kg/m³" }, { "quantity": "pKa of conjugate acid NH4+ at 25 °C", "typical_range": "9.25", "unit": "pKa units" }, { "quantity": "Flammable range in air", "typical_range": "15-28", "unit": "vol%" }, { "quantity": "Commercial anhydrous purity", "typical_range": "99.5-99.995+", "unit": "% by mass NH3" }, { "quantity": "Industrial aqueous concentration", "typical_range": "24-30", "unit": "% w/w NH3" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of ammonia this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Acute inhalation injury with possible delayed pulmonary oedema; IDLH commonly cited at 300 ppm.", "Alkali chemical burns to eyes and moist skin; liquid anhydrous also causes cryogenic frostbite.", "Rapid flashing of liquefied gas from a failed tank, hose or refrigeration circuit, producing a dense toxic cloud.", "Fire or BLEVE of a pressure vessel if an ammonia inventory is heated in a fire and the mixture with air enters 15-28 vol%.", "Stress-corrosion cracking and attack of copper, brass, zinc and some steels in ammonia service if water, oxygen or residual stress are present.", "Violent incompatibility with halogens, hypochlorites, mercury, gold and silver compounds.", "Agricultural nurse-tank valve, hose and coupling failures during field application.", "Aquatic toxicity of unionized NH3 to fish, plus eutrophication once oxidised to nitrate." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of ammonia this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Direct anhydrous soil injection is common in the U.S. and Canadian Corn Belt; much of Europe and Asia delivers fertilizer nitrogen mainly as urea or ammonium nitrate because of storage, transport and major-accident rules.", "U.S. OSHA PEL remains 50 ppm TWA while NIOSH, ACGIH and many European occupational limits sit at 20-25 ppm TWA.", "Consumer 'household ammonia' strength and sale restrictions vary; some jurisdictions treat stronger solutions as dangerous goods.", "Labelling oscillates between 'ammonia solution' and 'ammonium hydroxide' even for the same aqueous grade.", "Trade talk of grey/blue/green ammonia is concentrated in energy-import policy (EU, Japan, Korea) and export projects (Australia, Middle East), not in fertilizer agronomy." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of ammonia this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "name": "Ammonium ion (NH4+)", "difference": "Same nitrogen pool, different protonation state; the free-NH3 fraction is fixed by pH and temperature (pKa ≈ 9.25), not by a separate substance identity." }, { "name": "Methylamine and other volatile amines", "difference": "Similar fishy/pungent odour; separate by GC, specific sensors, or the absence of the NH3 InChIKey/CAS 7664-41-7." }, { "name": "Urea", "difference": "Solid CO(NH2)2 fertilizer that hydrolyses to ammonia in soil or SCR systems; dry urea does not present NH3 vapour pressure of anhydrous ammonia." }, { "name": "Hydrazine (N2H4)", "difference": "Also a reduced N-H compound and reducing agent, but liquid at ambient temperature (bp ≈ 114 °C) with CAS 302-01-2, not 7664-41-7." }, { "name": "Chloramine (NH2Cl)", "difference": "Water-treatment relative formed when ammonia meets free chlorine; distinguished by combined-chlorine methods, not by NH3 gas detection alone." }, { "name": "Liquefied petroleum gas in agricultural tanks", "difference": "Nurse tanks can look similar; ammonia is identified by its sharp odour, ~8.5 bar vapour pressure at 20 °C, water solubility, and copper-alloy incompatibility." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of ammonia this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does an existing Vercy world model already own ammonia or any part of this concept, requiring linkage instead of a separate publication?", "Where should ownership pass from this ammonia model to a mixture model for aqueous products and multicomponent streams?", "Which authoritative specifications define anhydrous status and application grades, including their water and impurity limits?", "Which validated property and aqueous-speciation methods cover the concentrations, temperatures and pressures required by intended users?", "Which jurisdictional requirements, compatibility references and site procedures should govern operation-specific restrictions and release triggers?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 36 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "chemical substance or material", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a ammonia, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to recognise ammonia-bearing material, judge its current condition and determine which handling or use decisions require further evidence.", "characteristics": { "substance": "material", "origin": "natural", "agency": "inert", "mobility": "varies" }, "whatYouCanDoWithIt": [ "observed and measured", "consumed or used up" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Green ammonia, ammonia N-13, Ammonia-14N, (¹⁵N)Ammonia, (¹⁶N)Ammonia.", "5 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 117 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a ammonia, and on what evidence are they told apart?" ], "whatItIsMadeOf": "matter you can touch", "physicalCharacter": [ "Mobility varies between examples.", "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state", "use it up, and then need more of it" ], "howItIsRecognised": [ "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "Green ammonia", "ammonia N-13", "Ammonia-14N", "(¹⁵N)Ammonia", "(¹⁶N)Ammonia" ] } ], "standing": "Described in 117 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 5 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one ammonia from another, and a ammonia from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a ammonia sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a ammonia from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "form-and-composition", "name": "Form, composition and condition", "description": "What a ammonia is made of, what shape and size it takes, and what state it is in.", "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.", "layers": [ { "id": "form-and-dimensions", "name": "Form and dimensions", "description": "Shape, size, mass and the ranges these take across examples.", "findings": [ { "id": "measurable-dimensions", "name": "Measurable dimensions and their units", "description": "The quantities worth recording and the units they are recorded in.", "questions": [ { "id": "measurable-dimensions-q01", "text": "What identifies and describes the dimensions of a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "measurable-dimensions-q02", "text": "Who or what asserted this about the dimensions of a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "measurable-dimensions-q03", "text": "What may an agent decide or do once the dimensions of a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "material-and-composition", "name": "Material and composition", "description": "Materials, parts and how they are put together.", "findings": [ { "id": "parts-and-materials", "name": "Parts and materials", "description": "What a ammonia is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "parts-and-materials-q02", "text": "Who or what asserted this about the composition of a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "parts-and-materials-q03", "text": "What may an agent decide or do once the composition of a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "condition-and-integrity", "name": "Condition and integrity", "description": "Wear, damage, health and the difference between working and broken.", "findings": [ { "id": "condition-assessment", "name": "Condition, damage and health", "description": "How the condition of a ammonia is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "condition-assessment-q02", "text": "Who or what asserted this about the condition of a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "condition-assessment-q03", "text": "What may an agent decide or do once the condition of a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "place-and-movement", "name": "Place and movement", "description": "Where a ammonia is, how it got there and where it may go (varies).", "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.", "layers": [ { "id": "location-and-placement", "name": "Location and placement", "description": "Position, containment and the reference frame the position is given in.", "findings": [ { "id": "position-and-frame", "name": "Position, container and reference frame", "description": "Where a ammonia is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "position-and-frame-q02", "text": "Who or what asserted this about the location of a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "position-and-frame-q03", "text": "What may an agent decide or do once the location of a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "movement-and-transfer", "name": "Movement and transfer", "description": "How a ammonia is carried, installed or relocated.", "findings": [ { "id": "movement-events", "name": "Movement events and constraints", "description": "What counts as a movement, what records it and what limits it.", "questions": [ { "id": "movement-events-q01", "text": "What identifies and describes the movement of a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "movement-events-q02", "text": "Who or what asserted this about the movement of a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "movement-events-q03", "text": "What may an agent decide or do once the movement of a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a ammonia passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a ammonia between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a ammonia, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a ammonia is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "use-and-operation", "name": "Use and operation", "description": "What can be done with a ammonia and what it takes to do it.", "rationale": "An agent that can recognise a thing but not act on it has only half a model.", "layers": [ { "id": "intended-use", "name": "Intended use and function", "description": "What a ammonia is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a ammonia performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "function-and-purpose-q02", "text": "Who or what asserted this about the use of a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "function-and-purpose-q03", "text": "What may an agent decide or do once the use of a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "handling-and-procedure", "name": "Handling and procedure", "description": "The steps, skills and tools involved in using a ammonia.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a ammonia at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "procedures-and-skills-q02", "text": "Who or what asserted this about handling a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "procedures-and-skills-q03", "text": "What may an agent decide or do once handling a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "supply-and-consumption", "name": "Supply and consumption", "description": "Quantities, rates and what running out means.", "findings": [ { "id": "consumption-and-stock", "name": "Consumption, stock and replenishment", "description": "How much of a ammonia there is and how fast it goes.", "questions": [ { "id": "consumption-and-stock-q01", "text": "What identifies and describes the supply of a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "consumption-and-stock-q02", "text": "Who or what asserted this about the supply of a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "consumption-and-stock-q03", "text": "What may an agent decide or do once the supply of a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "composition-and-identity", "name": "Composition, grade and chemical identity", "description": "What ammonia is made of and how pure the thing in hand is.", "rationale": "Grade decides what a substance may be used for, so a model that records only the name cannot support any decision about use.", "layers": [ { "id": "chemical-identity", "name": "Chemical identity", "description": "Formula, structure and the registry numbers that name it unambiguously.", "findings": [ { "id": "identity-record", "name": "Identity and registry numbers", "description": "What identifies this substance across suppliers and regulators.", "questions": [ { "id": "identity-record-q01", "text": "What formula, structure and registry identifiers name ammonia unambiguously?", "kind": "definition" }, { "id": "identity-record-q02", "text": "Which related substances share a name in common use but not an identifier?", "kind": "boundary" } ] } ] }, { "id": "grade-and-impurities", "name": "Grade, purity and impurities", "description": "The specification a batch meets and what else is in it.", "findings": [ { "id": "specification", "name": "Specification and assay", "description": "How purity is stated and measured, and which impurities matter.", "questions": [ { "id": "specification-q01", "text": "What grades of ammonia exist, how is purity assayed, and which impurities are limited?", "kind": "measurement" }, { "id": "specification-q02", "text": "Which use requires which grade, and what happens when a lower grade is substituted?", "kind": "action" } ] } ] } ] }, { "id": "properties-and-behaviour", "name": "Properties and behaviour", "description": "How ammonia behaves under conditions an agent can measure or change.", "rationale": "Physical constants are the part of a substance model that transfers between contexts, and each needs its unit and its conditions.", "layers": [ { "id": "physical-constants", "name": "Physical constants", "description": "Values that hold for the pure substance, with their conditions.", "findings": [ { "id": "constants-record", "name": "Constants and conditions", "description": "The quantities worth recording and the state they apply in.", "questions": [ { "id": "constants-record-q01", "text": "What are the defining physical constants of ammonia, in what units and under what conditions?", "kind": "measurement" }, { "id": "constants-record-q02", "text": "Which of these values change with grade or form rather than being fixed?", "kind": "boundary" } ] } ] }, { "id": "stability-and-reactivity", "name": "Stability and reactivity", "description": "What it reacts with, degrades into, and how it is stored.", "findings": [ { "id": "incompatibilities", "name": "Incompatibilities and degradation", "description": "What must not meet it, and what it becomes over time.", "questions": [ { "id": "incompatibilities-q01", "text": "What is ammonia incompatible with, and what does it degrade into under storage?", "kind": "definition" }, { "id": "incompatibilities-q02", "text": "What storage and handling does that require, and who is competent to do it?", "kind": "action" } ] } ] } ] }, { "id": "hazard-and-regulation", "name": "Hazard classification and regulation", "description": "How ammonia can harm, and what the law says about holding and moving it.", "rationale": "A substance model without its hazard class and its regulatory identity is unusable in exactly the situations that matter.", "layers": [ { "id": "hazard-class", "name": "Hazard classification", "description": "Classified hazards, exposure limits and protective measures.", "findings": [ { "id": "classified-hazards", "name": "Classified hazards and limits", "description": "The classification, the scheme it belongs to, and the limits set.", "questions": [ { "id": "classified-hazards-q01", "text": "How is ammonia classified for hazard, under which scheme, and what exposure limits apply?", "kind": "definition" }, { "id": "classified-hazards-q02", "text": "What protection does handling require, and what must an agent refuse to do without it?", "kind": "action" } ] } ] }, { "id": "regulatory-identity", "name": "Regulatory identity and control", "description": "Registration, restriction and transport rules by jurisdiction.", "findings": [ { "id": "controls", "name": "Controls and jurisdiction", "description": "Where it is restricted and what the restriction attaches to.", "questions": [ { "id": "controls-q01", "text": "Which registrations, restrictions or transport rules cover ammonia, and where?", "kind": "provenance" }, { "id": "controls-q02", "text": "Does the control attach to the substance, its concentration, or its intended use?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a ammonia came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a ammonia and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a ammonia is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a ammonia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a ammonia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a ammonia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 9, "layers": 20, "findings": 22, "questions": 60 } } } }