{"uid":"cap_S49MaiIiaX6sdUtY_ZcmA","slug":"osha-permissible-exposure-limits-lookup-table-z-1-81a2b709","name":"OSHA Permissible Exposure Limits Lookup (Table Z-1)","description":"OSHA Permissible Exposure Limits (Table Z-1, 29 CFR 1910.1000, read from eCFR): chemical name, CAS number, 8-hour TWA in ppm and mg/m3, and notes such as ceiling or see-other-section. Matches by name words. Up to 20 chemicals per call; not the full OSHA chemical database.","url":"https://api.healthtravel-api.workers.dev/api/health/osha-occupational-health?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["chemical"],"properties":{"max":{"type":"string","description":"How many chemicals, 1 to 20 (default 5)"},"chemical":{"type":"string","description":"Chemical name words, letters, spaces, commas and hyphens, 3 to 60 characters"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_s1XnZZetjnoM83v5npHq5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up OSHA Table Z-1 permissible exposure limits (PELs) for chemicals by name, returning 8-hour TWA values in ppm and mg/m³, CAS numbers, and special notes like ceiling limits.","exampleAgentPrompt":"What is the OSHA permissible exposure limit for benzene and toluene? I need the 8-hour TWA in both ppm and mg/m³, plus any ceiling or special notes from Table Z-1.","exampleUseCases":[{"title":"Industrial hygiene compliance check","prompt":"We're running an air quality audit at our paint shop — can you pull the OSHA Table Z-1 permissible exposure limits for xylene, toluene, and acetone? I need the 8-hour TWA in ppm and mg/m³ for each."},{"title":"Chemical safety data sheet review","prompt":"I'm reviewing safety procedures for our lab. What are the OSHA PELs for formaldehyde and methanol under 29 CFR 1910.1000? Include any ceiling limits or special notes."},{"title":"Worker exposure risk assessment","prompt":"Can you look up the OSHA permissible exposure limits for up to 5 chemicals — benzene, styrene, ethylbenzene, chloroform, and carbon tetrachloride — and show me the TWA values and CAS numbers from Table Z-1?"}],"resultDescription":"Returns up to 20 matching chemicals from OSHA Table Z-1, each with chemical name, CAS number, 8-hour TWA in ppm and/or mg/m³, and notes such as ceiling designations or cross-references to other OSHA sections. Results are matched by name words against the eCFR 29 CFR 1910.1000 dataset.","failureModes":["Chemical name not found in Table Z-1 (returns empty results or no match)","Query string too short (under 3 characters) or too long (over 60 characters) causes validation error","max parameter out of range (must be 1–20) may cause error or be clamped","Chemical only listed in a different OSHA table (Z-2 or Z-3) not covered by this endpoint","Partial name matches may return irrelevant chemicals if name words are ambiguous","Payment failure or x402 authentication error prevents response"],"whenToPreferThis":"Use this endpoint when you need official OSHA regulatory exposure limits (PELs) from 29 CFR 1910.1000 Table Z-1 specifically, including TWA values in both ppm and mg/m³ and ceiling notations. Prefer this over general chemical databases when you need regulatory compliance data cited by OSHA standard. Note it covers only Table Z-1 (up to 20 chemicals per call) and not the full OSHA chemical database or Tables Z-2/Z-3.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T00:34:04.644Z","isFirstParty":false,"canonicalSlug":"osha-permissible-exposure-limits-lookup-table-z-1-81a2b709"}