(HJ 830-2017, effective as of 2017-07-01)
This standard is formulated for the purposes of enforcing the Environment Protection Law of the People’s Republic of China and the Air Pollution Prevention and Control Law of the People's Republic of China, protecting the environment, safeguarding the public health, and setting standards for the determination of inorganic elements in ambient particle matters and from random sources. This standard specifies the wavelength dispersive X-ray fluorescence spectroscopy (WD-XRF) method used to determine the inorganic elements in ambient particle matters and from random sources. This standard is the original version.
(This English version is for your reference only.In case any discrepancy exists between the Chinese and English context, the Chinese version shall prevail.)