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Chlorine Dioxide - Water Treatment Technical Report:

Chlorine Dioxide as a Water Purification Product and Safe Water Treatment Chemical

View Pristine^® Material Safety Data Sheet - Part A | View Pristine^® Material Safety Data Sheet - Part B

Chlorine dioxide (ClO2) is a water treatment chemical that has been used to treat municipal drinking water in the United States and Europe for over 50 years. It is recognized as a superior water disinfectant alternative to chlorine and has become increasingly popular as a water purification treatment. Chlorine is being phased out due to growing concerns over its carcinogenic by-products, principally trihalomethanes (THMs). Similarly, other halogens such as fluorine, bromine, and iodine, some of which have been used in water treatment situations by consumers, are recognized as having unhealthy by-products. Iodine in particular, has been recognized as affecting the thyroid gland. Unlike chlorine, chlorine dioxide does not create THMs.

In the U.S., the Safe Drinking Water Act and its subsequent amendments over the last 20 years have required dramatic improvements in the quality of municipal drinking water. These stringent new requirements have increased the use of chlorine dioxide in the U.S. while decreasing the use of chlorine as a water treatment chemical. Using chlorine dioxide provides a double benefit to communities because it is a more effective water purifier than chlorine and is free of chlorine's unhealthy by-products.

Municipal water systems use chlorine dioxide in its gaseous state which cannot be safely packaged or transported for consumer use. With PRISTINE^®, a recent breakthrough in technology, individuals now have access to chlorine dioxide in a stabilized form with full effectiveness. Many consumers will benefit from PRISTINE^®, including those needing to purify water for outdoor or travel use and for disaster preparedness and emergency water use at home.

Chlorine Dioxide (Water Purifier) Information Sheet:

ClO2 is effective against the following water contaminants:

viruses	water bacteria
giardia	cryptosporidium
botulism	e. coli
cholera

ClO2 Eliminates and treats the following water contaminants:

many pollutants found in waste water	cyanides in wastewater
nitrites and sulfides	potential carcinogenic substances such as 3,4-benzopyrene
iron and manganese in water	tastes and odors produced by algae
the dyes produced by chlorophyll and plants	pesticides

ClO2 Water Purification and Water Treatment Chemical Advantages:

Does not produce THMs as chlorine does	Does not give rise to the formation of chloroform and bromochloromethane as chlorine does
Does not react with ammonia, nitrogenous compounds or precursors to form chloroform as chlorine does

CRYPTOSPORIDIUM TREATMENT CHART SUSPECTED WATER TEMPERATURE OF WATER TO BE TREATED  HOURS REQUIRED TO WAIT PRIOR TO DRINKING USING BASIC DOSAGE HOURS REQUIRED TO WAIT PRIOR TO DRINKING USING DOUBLE DOSAGE HOURS REQUIRED TO WAIT PRIOR TO DRINKING USING TRIPLE DOSAGE 4 C (39F) 7 3 2.5 10 C (50F) 3 2 1 15 C (59F) 2 2 .5 (30 min) 20 C (68F) 1 .5 (30 min) .25 (15 min)

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