The Leed-Himmel Industries site, identified by EPA ID 110001729979, remains on the National Priorities List with an active status. This classification indicates that the facility requires long-term remedial action to address unspecified hazardous substances. Exposure pathways primarily involve the migration of contaminants through subsurface soil and potentially local groundwater plumes. Because the specific chemicals are not publicly detailed, residents must assume risks include respiratory irritation, skin sensitization, or long-term systemic toxicity depending on the concentration and duration of exposure. Regional density of industrial sites, including Pero Property and Pine Swamp, compounds the cumulative toxic load for New Haven residents. To protect your household, implement three specific defensive measures. First, install high-efficiency particulate air filters in your home to reduce inhalation of contaminated dust. Second, avoid any recreational activities or gardening in unverified soil within a three-mile radius of industrial zones. Third, use certified water filtration systems that meet NSF/ANSI standards for chemical reduction if your water source is not municipal. Continuous monitoring of EPA updates regarding the Leed-Himmel site is necessary as remediation efforts progress. These steps mitigate the primary routes of ingestion and inhalation associated with living near active hazardous waste locations.