Disinfectant / Antimicrobial Contact (Dwell) Time Reference

Returns the label-typical wet contact (dwell) time for common EPA-registered antimicrobial classes (quat, accelerated hydrogen peroxide, bleach solution, phenolic, botanical/thymol) and the keep-wet and pre-clean rules that decide whether a disinfection claim is actually achieved. Antimicrobials are EPA-registered pesticides whose label is the legal authority (FIFRA); the ranges are guidance and S500/S520 govern.

Reference lookup: product class -> label-typical wet contact (dwell) time range, keep-wet rule, pre-clean rule, and the FIFRA label authority. No numeric computation beyond the lookup.

Antimicrobial contact-time principle, by name; ANSI/IICRC S500 and S520. Antimicrobials are EPA-registered pesticides whose label is the legal authority under FIFRA.

States the contact time the label requires and the keep-wet / pre-clean rules that decide whether a disinfection claim is actually achieved.

Estimate. AHJ and licensed professional govern.

Field names used by the API: product_class, typical_contact_min

• Label authority the EPA-registered product label is the legal authority (FIFRA); the ranges shown are guidanceEPA FIFRA / product label
• Keep-wet rule the surface must remain visibly wet for the full contact timeANSI/IICRC S500 / S520