Download or read book HJ 654 2013 Translated English of Chinese Standard HJ654 2013 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2019-02-16 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the composition, specifications, test indicators and test procedures for ambient air quality continuous automated monitoring system for SO2, NO2, O3 and CO. This Standard is applicable to the design, production and testing of ambient air quality continuous automated monitoring system for SO2, NO2, O3 and CO.