The Clean Air Act states that an area can be redesignated to attainment if specific conditions are met. This document demonstrates that all CAA requirements for attainment have been met, summarizes the progress of the area in attaining the PM10 standard, demonstrates that the Bullhead City area qualifies for EPA’s Clean Data Policy and Limited Maintenance Plan option, and includes a maintenance plan to assure continued attainment for ten years after the redesignation. This document includes a formal request to the U.S. Environmental Protection Agency to redesignate the Bullhead City, Arizona PM10 nonattainment area to attainment for the health-based 24-hour average and annual average PM10 National Ambient Air Quality Standard.

In addition, this document includes a formal request to revise the nonattainment area boundary, as currently defined in 40 CFR 81.303, to exclude three townships (108 square miles) in the east and south of the nonattainment area. The rationale for eliminating the three townships is that the land contains undisturbed desert terrain. The majority of the three townships is federal land managed by the Bureau of Land Management and state land managed by the Arizona State Land Department. Analyses included in this document show that ambient air quality measurements have remained below the NAAQS for PM10, and both the 24-hour average design value and annual average PM10 design value are below EPA’s LMP allowable limits. This document also demonstrates that the emission reduction control measures responsible for the air quality improvement are both permanent and enforceable.

This document consists of the attainment demonstration, maintenance plan, and redesignation to attainment request for the Douglas Sulfur Dioxide (SO2) Nonattainment Area. The purpose of this document is to demonstrate how the State of Arizona has met the National Ambient Air Quality Standards for SO2 and intends to maintain compliance with the NAAQS in the Douglas area. Air quality standards are divided into two types: primary standards based on health effects and secondary standards based on environmental effects such as damage to property, plants, visibility, etc. Both standards are established by EPA for criteria air pollutants such as sulfur dioxide.

This document includes an attainment demonstration and formal request to the United States Environmental Protection Agency to redesignate the Hayden, Arizona Sulfur Dioxide (SO2) Nonattainment Area to attainment for the health-based 24-hour average and annual average SO2 National Ambient Air Quality Standards. It summarizes the progress of the area in attaining the SO2 standards, demonstrates that all Clean Air Act (CAA) requirements for attainment have been adopted, and includes a maintenance plan to assure continued attainment after redesignation. This document also demonstrates that the emission reduction control measures responsible for the air quality improvement are both permanent and enforceable.

This document is an attainment demonstration, maintenance plan, and formal request to the United States Environmental Agency to redesignate the Miami, Arizona area, a nonattainnlent area for sulfur dioxide (SO,), to attainment for the health-based 24-hour average and annual average SO, National Ambient Air Quality Standards. It summarizes the progress ofthe area in attaining the SO, standards, demonstrates that all Clean Air Act requirements for attainment have been adopted, and includes a maintenance plan to assure continued attainment after redesignation. This document also demonstrates that the emission reduction control measures responsible for the air quality improvement are both permanent and enforceable.

Miami, Arizona, is a historic copper mining town in Gila County, 80 miles southeast of Phoenix and 112
miles northeast of Tucson. Miami’s sister city, Globe, lies four miles to the east. The Hayden/Miami
Nonattainment Area was designated for nonattainment of the particulate matter National Ambient Air
Quality Standard by operation of law following the Clean Air Act amendments of 1990. In March, 2007, EPA approved a boundary redesignation of the Hayden/Miami PM10 nonattainment area into two separate, but adjoining, PM10 nonattainment areas. Together, these two new PM10 nonattainment areas cover the same geographic area as the original Hayden/Miami PM10 nonattainment area. This plan demonstrates that all CAA requirements for attainment and maintenance have been met and summarizes the progress of the area in attaining the PM10 standard. This plan also summarizes and demonstrates that the MNA qualified for EPA’s Clean Data Policy and the Limited Maintenance Plan option.

This document consists of the attainment demonstration, maintenance plan, and redesignation to attainment request for the Morenci Sulfur Dioxide (SO2) Nonattainment Area. The purpose of this document is to demonstrate how the area has met the National Ambient Air Quality Standards for SO2 and intends to maintain compliance with the NAAQS. Air quality standards are divided into two types: primary standards based on health effects and secondary standards based on environmental effects such as damage to property, plants, visibility, etc. Both standards are established by Environmental Protection Agency for criteria air pollutants such as sulfur dioxide.

The Clean Air Act states that an area can be redesignated to attainment if specific conditions are met, such as attainment of federal air quality standards; approval of a state implementation plan and a maintenance plan; and permanent and enforceable improvements in air quality. This document demonstrates that all CAA requirements for attainment have been met, summarizes the progress of the area in attaining the PM10 standards, demonstrates that the Payson area qualifies for EPA’s Clean Data Policy and Limited Maintenance Plan option, and includes a maintenance plan to assure continued attainment for ten years after the redesignation. This document is a formal request to the U.S. Environmental Protection Agency to redesignate the Payson, Arizona PM10 nonattainment area to attainment of the health-based 24-hour average and annual average PM10 National Ambient Air Quality Standards.

Analyses included in this document show that ambient air quality measurements have remained below the NAAQS for PM10, and both the 24-hour average design value and annual average PM10 design value are below EPA allowable limits. This document also demonstrates that the emission reduction control measures responsible for the air quality improvement are both permanent and enforceable.

Land Use and Traffic Congestion is an investigation into the links among land use, travel behavior, and traffic congestion. Researchers focused on four transportation corridors in the Phoenix area: three older neighborhoods with relatively mixed, higher density land use, and one suburban area with lower density but high traffic volumes. The analysis suggested that the higher density corridors exhibited less congestion due to the greater mix of uses, shorter trip lengths, more travel by transit and non-motorized modes, and the presence of a secondary street grid system.

This Light Rail Transit corridor market analysis was done to identify and evaluate market-based development opportunities around planned light rail transit stations in the cities of Phoenix, Tempe, and Mesa.This report presents the findings and recommendations for each of the 12 highest-rated opportunity sites along the LRT corridor. This final document is intended to inform discussions among Valley Metro Rail, the participating cities, and prospective developers about the types of uses that could be developed on each of those sites, and how that development should be pursued and promoted.