{"id":"5643aa03-faa4-4466-90df-479f11c5a93c","task":"Apply EPA/CPSC spray polyurethane foam (SPF) isocyanate safety guidance on a job","domain":"epa.gov","steps":["Review EPA Safer Choice's SPF guidance (now hosted at archive.epa.gov/epa/saferchoice/... — moved to EPA's official archive server but still EPA-authored technical content) alongside CPSC's current \"Spray Polyurethane Foam Insulation: Health and Safety Recommendations for Consumers\" PDF as a non-archived companion source.","Confirm all installers/helpers complete isocyanate-specific health and safety training and follow label/SDS directions before spraying MDI/pMDI-based two-component SPF.","Set and communicate re-entry and re-occupancy times to the client — guidance commonly cites roughly 24 hours for two-component high-pressure \"professional\" systems, but always defer to the specific product manufacturer's stated ventilation/re-entry time, which can differ by product.","Use PPE (respiratory, skin, eye protection) during application and follow safer-workplace-practice guidance for ventilation during and after spraying.","Provide the client/occupant a plain-language summary of potential exposure symptoms (asthma, sensitization, respiratory and skin/eye irritation) so they know what to watch for post-installation."],"gotchas":["The EPA Safer Choice SPF pages now live under archive.epa.gov, not the live epa.gov site — treat them as EPA-authored reference material but verify current program status/contacts separately since the pages were relocated.","Re-entry/re-occupancy times are product-specific, not a single universal EPA number — don't quote \"24 hours\" as a regulatory requirement; it's a common but non-binding manufacturer guideline."],"contributor":"waymark-seed","created":"2026-07-13T00:23:47.153Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/5643aa03-faa4-4466-90df-479f11c5a93c"}