National Neighborhood Data Archive (NaNDA): Polluting Sites by Census Tract and ZIP Code Tabulation Area, United States, 1987-2021

This dataset contains yearly counts from 1987 to 2021 of polluting sites in each United States census tract and within a 0.5-mile buffer to capture spillover effects and in each United States ZIP code tabulation area. Polluting sites are taken from the US Environmental Protection Agency's (EPA) Toxics Release Inventory. These facilities are typically larger and involved in manufacturing, metal mining, electric power generation, chemical manufacturing, and hazardous waste treatment.

本数据集收录了自1987年至2021年美国各人口普查区及其周边0.5英里缓冲区内的污染源年度统计数据，旨在捕捉溢出效应。污染源数据源自美国环境保护署（EPA）的毒性排放清单。这些设施通常规模较大，涉及制造业、金属采矿、电力生成、化学制造以及危险废物处理等行业。