科罗拉多州的臭氧管理:为什么我们还没有达到目标?

IF 2.1 4区 环境科学与生态学 Q3 ENGINEERING, ENVIRONMENTAL
Priyanka deSouza, Grace Hood
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引用次数: 0

摘要

影响:我们评估了州实施计划 (SIP) 过程未能使丹佛大都会和北部前沿地区达到臭氧标准的原因。具体来说,通过采访多位专家,我们发现了几个问题,即1) 排放清单和臭氧水平建模中的错误导致了错误的判断,即通过建议的排放控制可以达到臭氧标准;以及 2) 科罗拉多州 SIP 过程的组织方式存在结构性问题,并且缺乏政治领导。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ozone management in Colorado: Why aren't we there yet?

Since 2004, the state of Colorado in the United States of America has created multiple nonattainment State Implementation Plans (SIPs) that are supposed to comprise air pollution mitigation actions, that have so far been unsuccessful at ensuring Front Range Communities have reduced ozone levels to below the United States Environmental Protection Agency (EPA) standards. By interviewing eight stakeholders and decision-makers involved in ozone SIP rulemaking and drawing on secondary literature, this paper examines shortcomings in the SIP process in Colorado. We found that ozone precursor measurement and the modeling of attainment could be improved by better factoring in uncertainties in emissions inventories and conducting appropriate sensitivity analyses that would require more investment of state staff time and resources. Structural issues with the way the process is organized in Colorado limit optimum overlap between state: Air Pollution Control Division (APCD) and quasi-state: Regional Air Quality Council (RAQC) agencies during the SIP process. Specifically, although the RAQC is currently charged with developing and submitting SIPs to the State for approval, it does not have the power to implement control strategies for several key sources and therefore does not have the authority to propose key policies to be included in the SIP. In recent years, Colorado SIPs have largely focused on the bare minimum emissions controls to demonstrate attainment via modeling. Interviewees recommend that state political leaders take more of a leadership role to lower ground-level ozone levels and bring the Denver Metropolitan Area/North Front Range back into attainment with EPA standards.Implications: We evaluate why the State Implementation Plan (SIP) process has failed to achieve the attainment of the ozone standards in the Denver Metropolitan and North Front Range Area. Specifically, through interviewing several experts we identified several problems, namely: 1) errors in emissions inventories and modeling of ozone levels that have resulted in incorrect determinations that the ozone standards would be met with proposed emissions controls, and 2) structural problems in the way the SIP process is organized in Colorado, and the lack of political leadership.

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来源期刊
Journal of the Air & Waste Management Association
Journal of the Air & Waste Management Association ENGINEERING, ENVIRONMENTAL-ENVIRONMENTAL SCIENCES
CiteScore
5.00
自引率
3.70%
发文量
95
审稿时长
3 months
期刊介绍: The Journal of the Air & Waste Management Association (J&AWMA) is one of the oldest continuously published, peer-reviewed, technical environmental journals in the world. First published in 1951 under the name Air Repair, J&AWMA is intended to serve those occupationally involved in air pollution control and waste management through the publication of timely and reliable information.
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