* Discarded masks and gloves are becoming a health hazard as people dump them on streets -- Updated 1542 GMT (2342 HKT) April 21, 2020 A mask littered on the street. A mask littered on the street. A mask littered on the street. (CNN)During a walk around his block in Baton Rouge, Louisiana, Mark Benfield was struck by how many discarded gloves and masks he saw on his short route. The Louisiana State University professor, who focuses on microplastic -- The problem is so severe that many state and county public health departments have issued advisories against throwing masks and gloves on the streets and parking lots. Read More -- littered in the span of a few blocks. The map, using data from the survey responders, shows Chicago's Hermosa/Logan Square neighborhood on April 16. Masks are shown as circles, gloves as triangles, and wipes as squares. The yellow area is their survey area. -- PPE tracking around a Chicago block "Preliminary data from these survey responses shows that gloves are the most common PPE waste," Benfield said. "In the US, masks are difficult for the public to get. So gloves are most commonly found PPE waste on the street. In China, masks are freely available. So you see more masks discarded." Good afternoon to only those that do not throw their used gloves/masks on the ground. pic.twitter.com/CQqrOmhWrI β€” πŸ’™πŸ’™AMBERπŸ’™πŸ’™ (@amber00827) April 18, 2020 Gloves, masks and wipes are all plastic. When that's discarded into the environment, it goes into sewer systems or water bodies. It breaks down into microplastics, which still attract pesticides and other harmful -- Paul Zambrotta, who is director of safety at Mr. T Carting, a private waste management company that handles commercial waste, said he often finds rubber gloves and masks in the recycling mix. He said he thinks that a combination of misinformation and wish-cycling is to blame. -- "If anyone had a sneeze or a little itch, they thought they needed to self-isolate. At one point, I had 90% of my workforce out sick." There is no market for used gloves and masks, and they can't be sold. However, they can easily get caught into the machinery in the recycling line and shut the facility down. "Masks and gloves do not belong in recycling," Benfield reiterated. As Earth Day approaches, Esposito said people should feel obligated to protect the environment.