In December 2007, President Bush signed into law The Virginia Graeme Baker Pool and Spa Safety Act. The law mandates that public swimming pools and spas be equipped with anti-entrapment main drain covers that comply with ASME/ANSI A112.12.8 2007 performance standard. In addition to the anti-entrapment main drain covers, any swimming pool or spa which is constructed with a single main drain must be equipped with a device or system designed to prevent entrapment, such as one of the following:
1. Safety vacuum release system
2. Suction limiting vent system
3. Gravity drainage system
4. Automatic pump shut-off system
5. Other systems determined by the Consumer Product Safety Commission to be equally or more effective than one of the above systems.
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