Emissions Inventory

Emissions Inventory for District of Columbia pulled from EPA's National Emissions Inventory (NEI). The NEI is a comprehensive and detailed estimate of air emissions of criteria pollutants, criteria precursors, and hazardous air pollutants from air emissions sources. The NEI is released every three years based primarily upon data provided by State, Local, and Tribal air agencies for sources in their jurisdictions and supplemented by data developed by the US EPA.

本数据集为美国哥伦比亚特区排放清单，数据源自美国环境保护署（Environmental Protection Agency, EPA）的国家排放清单（National Emissions Inventory，简称NEI）。该清单针对各类空气排放源，对基准空气污染物（Criteria Pollutants）、基准污染物前体物（Criteria Precursors）以及有毒空气污染物（Hazardous Air Pollutants）的大气排放量开展全面且详尽的估算。国家排放清单每三年发布一次，其数据主要来源于各州、地方及部落空气管理机构为其管辖范围内的排放源所提交的统计资料，并辅以美国环境保护署自行开发的相关数据集。