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Carrying iodine for water purification is an imperfect but lightweight solution for those in need of field purification of drinking water. Kits are available in camping stores that include an iodine pill and a second pill (vitamin C or ascorbic acid) that will remove the iodine taste from the water after it has been disinfected. The addition of ...
In North American English it is known as "romaine" lettuce, and in British English the names "cos" lettuce and "romaine" lettuce are both used. [2] Many dictionaries trace the word cos to the name of the Greek island of Cos, from which the lettuce was presumably introduced. [3] Other authorities trace cos to the Arabic word for lettuce, khus ...
Facultative lagoon (polishing pond) providing tertiary treatment after a constructed wetland in Hamburg-Allermöhe, Germany. Overflow from the facultative lagoon may be routed through one or more polishing ponds supporting lower populations of anaerobic micro-organisms and a higher proportion of aerobic organisms adapted to survival in lower concentrations of organic material.
The outbreak of E. coli killed five people and sickened at least 210 in 36 states, making it the largest outbreak of the infection in a decade.
Groundwater: The water emerging from some deep ground water may have fallen as rain many tens, hundreds, or thousands of years ago. Soil and rock layers naturally filter the ground water to a high degree of clarity and often, it does not require additional treatment besides adding chlorine or chloramines as secondary disinfectants.
Electrodeionization (EDI) is a water treatment technology that utilizes DC power, ion exchange membranes, and ion exchange resin to deionize water. EDI is typically employed as a polishing treatment following reverse osmosis (RO), and is used in the production of ultrapure water. It differs from other RO polishing methods, like chemically ...
E. coli infections that can be traced to lettuce have been reported in 16 states, the CDC said. No one has died but 31 have been hospitalized. Don't eat any romaine lettuce, CDC now warns
Both iceberg lettuce and romaine lettuce contain vital nutrients that help us live our best lives. Iceberg is about 13 calories per serving while romaine is about 15 calories. However, romaine ...