Dust, Smoke and Sour Gas The First 65 years of Air Quality Management in the Alberta Government 1945-2010 ii Dust, Smoke, and Sour Gas: The First 65 years of Air Quality Management in the Alberta Government, 1945-2010 By Randolph P. Angle Retired 36-year veteran of Alberta Environment October 2016 iii Dust, Smoke, and Sour Gas: The First 65 years of Air Quality Management in the Alberta Government, 1945-2010 by Randolph P. Angle. Copyright © 2016 by Randolph P. Angle. All rights reserved. ISBN No. (pdf) 978-0-9953357-0-7 Except as permitted under the Canadian Copyright Act, no part of this publication may be reproduced, distributed, or transmitted in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the author (email:
[email protected]). While the author has used best efforts in preparing this book, no representations or guarantees can be provided with respect to the completeness or accuracy of the content. Mention of trade names or commercial products does not constitute endorsement or recommendation. iv Preface History is a means to understand both the past and present. Through history we interpret why things developed as they did and learn what influences may shape the future. The analysis and interpretation of history provides an essential context for evaluating contemporary approaches. History also provides a sense of identity and shared heritage. George Santayana (1863-1952), Spanish-American philosopher, essayist, poet, and novelist is often quoted or paraphrased in