This standard stipulates the structure of national environmental protection standards, writing and typesetting rules, general principles for the use of quantities, units and symbols, as well as the format, font and size of standard publication. This standard applies to the preparation and publication of national environmental protection standards. The preparation and publication of local environmental protection standards may be carried out with reference to this standard.
HJ 565-2010 Referenced Document
GB 3100 SI units and recommendations for the use of their multiples and of certain other units