This standard is formulated for the purposes of enforcing the Environment Protection Law of the People’s Republic of China and the Law of the People’s Republic of China on Prevention and Control of Air Pollution, protecting the environment, safeguarding the public health, and setting standards for the determination of hydrogen chloride in ambient air and stationary source emissions. This standard specifies the ion chromatography for determination of hydrogen chloride in ambient air and stationary source emissions. This standard is the amendment to Ambient air and waste gas-Determination of hydrogen chloride-Ion chromatography (on trial) (HJ 549-2009). The original version of this standard, drafted by Beijing Municipal Environmental Protection Monitoring Center, was released in 2009.
(This English version is for your reference only.In case any discrepancy exists between the Chinese and English context, the Chinese version shall prevail.)