CJ/T 307-2009 in English

本标准规定了城镇下水道中的可燃性气体、甲烷、硫化氢、氧气、氨气、一氧化碳、二氧化硫、氯气、二氧化碳和总挥发性有机物共10种气体的实验室检测方法和（或）现场快速检测方法。本标准适用于城镇下水道（包括接纳和输送城镇污水、工业废水和雨水的管网、沟渠和泵站），污水处理设施，污泥最终处置设施及其它相关设施中蓄积气体的测定。

Scope

This standard specifies laboratory detection methods and/or on-site rapid detection methods for flammable gases, hydrogen sulfide, oxygen, ammonia, carbon monoxide, sulfur dioxide, chlorine, carbon dioxide and total volatile organic compounds in urban sewers. This standard is applicable to the measurement of accumulated gases in pipe networks, ditches and pumping stations, sewage treatment facilities, final sludge disposal facilities and other related facilities that receive and transport urban sewage, industrial wastewater and rainwater in cities and towns.