Standard No.:	T/CIEHA 012-2019
English Name:	Ecological Negative Oxygen Ion Concentration Level of the Indoor Livable Environment
Chinese Name:	室内环境生态负（氧）离子浓度等级
Professional Classification:	T/    Social Organization Standard
Source Content Issued by:	GIEHA
Issued on:	2019-07-11
Implemented on:	2019-8-1
Status:	valid
Target Language:	English
File Format:	PDF

本标准规定了室内空气负（氧）离子浓度等级的划分。
本标准适用于室内空气负（氧）离子浓度的检测、评估等工作。