Which of the following is NOT considered a discard in a facility?

The correct answer is based on the understanding of what constitutes a discard within a facility. A discard is typically defined as any material that is no longer needed, has been rejected, or is not intended for further use within the facility.

Recyclable materials stored separately are not considered discards because they are being managed with the intention of being repurposed or reused, rather than being disposed of. This separation indicates a proactive approach to waste management, focusing on sustainability and resource recovery rather than simply discarding materials.

Solid materials generated within the facility and non-hazardous material generated within the facility are considered discards because they can be waste products that the facility may need to dispose of or process in some manner. Hazardous waste improperly stored does pose significant regulatory and safety implications, and while it is an improper handling of hazardous materials, it is still classified as a discard because it is no longer managed in compliance with waste regulations.

Thus, the reason the selected answer is correct lies in the clear distinction that recyclable materials are intended for a reuse pathway rather than being treated as waste.