An approved EPA-registered disinfectant is effective on what type of surface?

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Multiple Choice

An approved EPA-registered disinfectant is effective on what type of surface?

Explanation:
The main idea is that EPA-registered disinfectants are designed to work best on nonporous surfaces. Nonporous means smooth and non-absorbent—like stainless steel, glass, hard plastics, or sealed countertops. On these surfaces the disinfectant can stay wet for the required contact time and reach all microbes, allowing it to kill them effectively. Porous surfaces (such as wood, fabric, or unsealed stone) can absorb the product and harbor microbes in tiny pores, which reduces contact and effectiveness. That’s why these products are specified for nonporous surfaces. Always follow the label for the exact surface types and required contact time.

The main idea is that EPA-registered disinfectants are designed to work best on nonporous surfaces. Nonporous means smooth and non-absorbent—like stainless steel, glass, hard plastics, or sealed countertops. On these surfaces the disinfectant can stay wet for the required contact time and reach all microbes, allowing it to kill them effectively. Porous surfaces (such as wood, fabric, or unsealed stone) can absorb the product and harbor microbes in tiny pores, which reduces contact and effectiveness. That’s why these products are specified for nonporous surfaces. Always follow the label for the exact surface types and required contact time.

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