Air Systems Cleaning Specialist (ASCS) — Question 15

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

Answer options

• A. equipment room
• B. air handler
• C. exhaust fan
• D. ductwork

Correct answer: B

Explanation

The correct answer is B, as the EPA has not approved any products specifically for use in air handlers. Options A, C, and D may have their own guidelines but do not directly pertain to the EPA's lack of registration for these specific applications in air handling units.