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Sec. 1404: Top Priority for Public Pool And Spa Owners/Operators All pool/spa drain covers manufactured, distributed or entered into commerce on or after December 19, 2008, must meet ASME/ANSI A112.19.8– 2007. All public pools and spas must be retrofitted with covers that meet the ASME/ANSI A112.19.8– 2007 standard.
In the 1980s, Monarch Spas developed the dual-zone swim spa, allowing the pumps and other equipment needed for the pool to also power a separate spa. One advantage of the modern dual-zone system is the ability to set different temperatures and use different chemicals in each pool area.
A swimming pool, swimming bath, wading pool, paddling pool, or simply pool, is a structure designed to hold water to enable swimming or other leisure activities. Pools can be built into the ground (in-ground pools) or built above ground (as a freestanding construction or as part of a building or other larger structure), and may be found as a ...
Salt water chlorination is a process that uses dissolved salt (1000–4000 ppm or 1–4 g/L) for the chlorination of swimming pools and hot tubs.The chlorine generator (also known as salt cell, salt generator, salt chlorinator, or SWG) uses electrolysis in the presence of dissolved salt to produce chlorine gas or its dissolved forms, hypochlorous acid and sodium hypochlorite, which are already ...
The patent came to trial in 1991 in Intex v. Hall /wbx. The patent was upheld in court, and Hall received a $4.8 million judgment for infringement. Hall /wbx received additional royalties from licensing. Some later lawsuits were dismissed because of laches. In 1987, sales peaked at 22% of the domestic mattress industry. [16]
Silk Stalkings is an American crime drama television series that premiered on CBS on November 7, 1991, as part of the network's late-night Crimetime After Primetime programming package.