Vyhláška č. 135/2004 Sb., kterou se stanoví hygienické požadavky na koupaliště, sauny a hygienické limity písku v pískovištích venkovních hracích ploch

This regulation sets out the hygiene standards for public swimming pools and saunas. It aims to ensure the health and safety of users by defining acceptable conditions and limits for various factors. The rules cover aspects like water quality, facility maintenance, and hygiene in changing rooms and saunas. It affects operators of these facilities and the general public using them.