Knowledge dossier
Journal / Thematic archiveAquatic Standards Change Control & Spa Operations
Professional guidance for controlling aquatic standards, referenced water-quality requirements and evidence-led spa operating decisions.
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Aquatic Standards Change Control & Spa Operations
Public Spa Operations Standards: Control the Reference Chain
The 2026 PHTA-2 revision moves water-quality values into PHTA-11, creating a standards-control task for public spa operators. This guide shows how to map authority, editions and referenced documents; update procedures and system settings; connect water records to closure decisions; and verify training, handover and reopening without implying universal law, compliance or award recognition.
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