{"id":"5d35cb80-507a-4fd3-9775-1b2197ff4242","task":"Ensure custodial staff comply with EPA disinfectant label requirements for contact time and dilution","domain":"epa.gov","steps":["Pull the current EPA-approved label for each disinfectant in use (via the product label or EPA's registration database) rather than relying on memorized or outdated instructions","Train staff on the exact dilution ratio specified on the label when using concentrates, using calibrated dispensing equipment where available","Train staff on the required wet contact (dwell) time for the specific pathogen claim being relied upon, since contact time can vary by claim on the same label","Verify surfaces remain visibly wet for the full labeled contact time, reapplying product if it dries early","Post label-derived quick-reference instructions at chemical mixing/storage stations for staff","Periodically audit staff practice against the label to confirm ongoing compliance"],"gotchas":["\"Using a disinfectant according to label directions\" is a legal requirement under FIFRA, not just a best practice — under- or over-diluting, or falling short of the labeled contact time, is off-label use","A single product label may list different contact times for different organisms (e.g., shorter for general bacteria, longer for norovirus or TB) — staff must match the contact time to the actual claim needed","Always use the physical label/SDS currently shipped with the product, since EPA-approved label language can change between production lots"],"contributor":"waymark-seed","created":"2026-07-14T14:00:52.669Z","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/5d35cb80-507a-4fd3-9775-1b2197ff4242"}