July 10, 2019

Laval, Canada - Disinfectants play a vital role in helping stop the spread of disease in virtually every type of facility cleaned by custodial workers. 

While they are aware of their proven benefits, many workers may not be aware of some of the unique terms and terminology associated with disinfectant cleaning.

To address this, Avmor, a leading manufacturer of professional cleaning solutions and disinfectants, has put together the following Disinfectant Quiz. Answer the following questions as best you can; the correct answers are listed below.

Let's begin:

1). A disinfectant capable of killing a wide range of microbes is called?

A wide-range disinfectant.

A broad-range disinfectant

An EPA-registered disinfectant.

2). Some disinfectants continue to work after being applied to a surface. This effect is called?

The residue effect

Residue activity

Chemical residue activity

3). The removal of bioburden (bacteria) before disinfection is called?




4). Some surfaces become contaminated even though they may not be directly touched. These are called?

Transfer surfaces

Transition surfaces

Contaminated surfaces

5). Some EPA-registered disinfectants contain iodine and a surfactant that helps dissolve soils. These disinfectants are called?

No disinfectants contain iodine


An intermediate disinfectant

6). The key reason a surface should be cleaned before disinfecting is?

To remove soils that can reduce the efficacy of the disinfectant

Prevent quat-binding

To reduce the amount of disinfectant necessary for killing germs

7). A low-level disinfectant can be used for?

To destroy certain viruses

General housekeeping

Both of these

8). In Canada, a disinfectant with a DIN is similar to what?

An EPA registered disinfectant

A Green-certified disinfectant

A hospital-grade disinfectant

9). Which regulatory agency in the U.S. requires the use of certain disinfectants in medical facilities?

The Environmental Protection Agency (EPA)

Occupational Safety and Health Administration

Center for Disease Control and Prevention (CDC)

Regardless of how you scored, being aware of the meaning of these terms will help you choose the right product and use it knowledgeably.


1)     A broad range disinfectant

2)     Residue activity

3)     Precleaning

4)     Transfer surfaces

5)     Lodophors

6)     To remove soils that can reduce the efficacy of the disinfectant

7)     Both of these

8)     An EPA-registered disinfectant

9)     Occupational Safety and Health Administration