Normative Instruction number 132, 30 March 2022; (3 page(s), in Portuguese)
Draft resolution 1204, 14 September 2023; (5 page(s), in Portuguese)
DRS 353-8:2023, Water quality — Chemical used for treatment of water intended for human consumption — 8: Sodium hypochrolite; (71 page(s), in English)
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