One of our most popular pieces, it is a must for home and office. Discover how you can help the environment by reading 143 air quality tips, presented in both English and Spanish. A nice addition to home or office, this sophisticated visual graphically depicts a clean-air message. How air is measured is explained in this brochure, which includes charts showing the number of days exceeding the federal 1-hour ozone standard during past years, and national and federal ozone standards. Notices of Violation Explains NOVs the specifics on what happens when facilities have violated a District rule or permit, or a state air pollution law.
Permits Explains the District s permit processing system.
Reinventing the commute . . . This publication traces the evolution of transportation technology and clean air advances over the last hundred years, with some fun facts thrown in as well. Rule Development Explains the District s rule development process. Skykeeper Activity Book Our most popular piece. Coloring and activity book on air quality for kids.