What best describes the violation related to recyclables being put out for collection in 9 or more dwelling units?

The violation related to recyclables being put out for collection in 9 or more dwelling units is best described by the failure to bundle cardboard and newspaper. This requirement is governed by regulations aimed at ensuring that recycling is done in a manner that facilitates processing and minimizes contamination. Bundling recyclables like cardboard and newspaper helps to streamline the collection process and ensures that these materials can be easily processed at recycling facilities.

When residents do not bundle their recyclables, it can lead to inefficient collection practices, increase contamination rates, and may result in additional costs for waste management. Hence, adherence to the bundling requirement is crucial for effective recycling operations in multi-dwelling unit settings. This requirement emphasizes the importance of proper preparation of recyclables to support recycling programs and maintain the integrity of material recovery efforts.

The other options touch on aspects of collection or educational outreach but do not directly address the specific operational violation related to the physical preparation of recyclables for collection.