Speeches, Testimony and Transcripts

This page lists EPA approved and compiled California statewide statutes and regulations incorporated by reference in the applicable State Implementation Plan (SIP).

Pennsylvania SIP, Chapter 121.1 Definitions

Pennsylvania SIP -EPA Approved Regulations

Subpart W Rulemaking Activity: 2017 Conference Calls

Meeting minutes from the quarterly conference call held on January 5, 2017 regarding Subpart W.

EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the South Carolina SIP

EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the South Carolina SIP as of 10/01/23

Webinar - New Mobility Mindsets: Shared Mobility and Personal Micromobility

Webinar about new ways to think about mobility beyond cars and vehicles.

Pennsylvania SIP, Chapter 121.1 Definitions

Pennsylvania SIP -EPA Approved Regulations

Designing Climate Change Solutions with Participatory Planning

Here in New England, towns deal with many "wicked problems" requiring multiple solutions. Climate change adaptation is proving to be no different. It is complicated and the terms are so varied that a uniform solution will inevitably fail.

NPV Values Slides

Contains e-mail correspondence & slides to be presented at a meeting about NPV values, what they mean, & data, PCS Phosphate Mine expansion, Aurora, Beaufort County, NC, March 18, 2009

401 Info E-mail Correspondence

Contains e-mail correspondence & 401 certification petition documentation for PCS Phosphate mine permit, Aurora, North Carolina, March 3, 2009