00000nam 2200000zi 4500 9.908987 CaOODSP 20221107181808 m o d f cr ||||||||||| 220310e202203##oncbd ob f000 0 eng d 9780660425054 CaOODSP eng rda CaOODSP n-cn--- H144-101/2022E-PDF Guidance for improving subway air quality. Ottawa, ON : Health Canada = Santé Canada, March 2022. ©2022 1 online resource (v, 31 pages) : colour maps, colour graphs text txt rdacontent computer c rdamedia online resource cr rdacarrier Issued also in French under title: Document d'orientation sur l'amélioration de la qualité de l'air dans les métros. Replacement copy provided by publisher (2022-03-29). Includes bibliographical references (pages 21-28). "This document provides guidance to public transit authorities and their municipal and provincial partners on options to mitigate subway air pollution. It includes background on the sources of subway PM pollution, factors that affect them, a perspective on Canadian subway air quality, and a thorough review of the research on methods to reduce concentrations of PM in subways. This information can support informed decision-making to help improve the air quality in subway systems"--Executive summary, page 1. Subways Canada. Particulate matter Health aspects Canada. Indoor air pollution Canada Prevention. Indoor air quality Canada. Canada. Health Canada, issuing body. Document d'orientation sur l'amélioration de la qualité de l'air dans les métros. (CaOODSP)9.908988 PDF 3.16 MB https://publications.gc.ca/collections/collection_2022/sc-hc/H144-101-2022-eng.pdf Pub.: 210721