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According to The NADCA White Paper on Using Chemical Products in HVAC Systems, The Environmental Protection Agency (EPA) has not registered any product for use as a disinfectant, sanitizer, or fungicide in the
At this time, the EPA has not accepted any disinfectant, sanitizer or fungicidal products for use in the ductwork of HVAC systems. Page 135 ASCS to the ACR Standard
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d_law
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