能源与环境 · 2010/1/51 分钟阅读
Approval and Promulgation of Implementation Plans and Designations of Areas for Air Quality Planning Purposes; North Carolina: Hickory-Morganton-Lenoir; Determination of Attaining Data for the 1997 Fine Particulate Matter Standard
本地自动翻译 · 来源原始语言
摘要
EPA is determining that the Hickory-Morganton-Lenoir, North Carolina, (hereafter referred to as "Hickory, North Carolina") nonattainment area for the 1997 fine particulate matter (PM 2.5 ) National Ambient Air Quality Standard (NAAQS) has attaining data for the 1997 PM 2.5 NAAQS.