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2. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Over the next few years, chlorine disinfection using chloride of lime were rapidly installed in drinking water systems around the world. [48] The technique of purification of drinking water by use of compressed liquefied chlorine gas was developed by a British officer in the Indian Medical Service, Vincent B. Nesfield, in 1903. According to his ...

3. Cost of bringing clean drinking water to California ... - AOL

   www.aol.com/news/cost-bringing-clean-drinking...

   The state's latest estimates show that 738,000 people currently receive water from failing systems, while more than 1.8 million people depend on 548 systems with drinking water supplies determined ...

4. Ultrapure water - Wikipedia

   en.wikipedia.org/wiki/Ultrapure_water

   Ultrapure water (UPW), high-purity water or highly purified water (HPW) is water that has been purified to uncommonly stringent specifications. Ultrapure water is a term commonly used in manufacturing to emphasize the fact that the water is treated to the highest levels of purity for all contaminant types, including organic and inorganic compounds, dissolved and particulate matter, and ...

5. Portable water purification - Wikipedia

   en.wikipedia.org/wiki/Portable_water_purification

   Portable water purification devices are self-contained, easily transported units used to purify water from untreated sources (such as rivers, lakes, and wells) for drinking purposes. Their main function is to eliminate pathogens , and often also suspended solids and some unpalatable or toxic compounds .

6. Purified water - Wikipedia

   en.wikipedia.org/wiki/Purified_water

   The conductivity of water is measured in Siemens per meter (S/m). Sea-water is typically 5 S/m, [5] drinking water is typically in the range of 5-50 mS/m, while highly purified water can be as low as 5.5 μS/m (0.055 μS/cm), a ratio of about 1,000,000:1,000:1. Purified water is used in the pharmaceutical industry.

7. 5 Best Member’s Mark Items for Retirees To Buy at Sam’s Club ...

   www.aol.com/finance/5-best-member-mark-items...

   Here are five cost-effective Member Mark must-haves for retirees to pick up from Sam’s Club in October. Member’s Mark Purified Bottled Water Price: $8.98, 8 fl. oz., 80 pk.