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Good afternoon, Stuart, and thank you for your inquiry.
Due to the nature of the testing and low quantities of THM's one could expect to find in drinking water, not simple at-home test kit for THM's exists -- that we know of. Testing for THM's takes place in a laboratory environment.
Companies like National Testing Laboratories offer mail-in water testing services that include testing for THM's and other disinfection byproducts. You can find links to various water testing packages from National Testing Laboratories on the following page:
FYI: As a general rule it takes about 10 business days to get test results back from NTL (National Testing Labs) and the cost of each testing package depends upon the number of different water quality parameters the kit contains.
OK, so where do THM's come from?
Trihalomethanes (THM's) fall into a classification of drinking water contaminants known as disinfection byproducts, or DBP's. Contaminants of this nature form when disinfectants such as chlorine get added to water that contains organic matter.
As the chlorine 'goes to work' on the organic matter and sets about breaking it down, as part of the chemical interaction between the organic matter and chlorine disinfection byproducts get created.
Scientists and water experts now believe that prolonged exposure to disinfection byproducts possibly increases people's risk of developing various types of cancers.
What removes or reduces levels of THM's in drinking water?
For information on water filtration systems capable of eliminating harmful levels of THM's, we suggest taking a look at water filtration options that contain Granular Activated Carbon (often abbreviated as GAC). You can find a number of different filter brands and types on the following sites: FilterWater.Com, FiltersFast.Com and Filter-Drinking-Water.Com.
]]>Well we all know how lazy OTHER people… ahem… can be.
Public swimming pools are more dangerous than you might think, a new study suggests. When sweat and urine, among other organics, mix with the disinfectants in pool water, the result can be hazardous to health.
The findings, announced this week, link the application of disinfectants in recreational pools to genetic cell damage that has been shown to be linked with adverse health outcomes such as asthma and bladder cancer.
Pool water represents extreme cases of disinfection that differ from the disinfection of drinking water as pools are continuously exposed to disinfectants. But with so many people cooling off and exercising in pools and water parks (339 million visits across the United States each year), the disinfectants are a must to prevent outbreaks of infectious disease.
Chlorine and Pee Don’t Mix
The problem occurs when the sanitizers mix with organic matter.
“All sources of water possess organic matter that comes from decaying leaves, microbes and other dead life forms,” said study researcher Michael Plewa, University of Illinois professor of genetics. “In addition to organic matter and disinfectants, pool waters contain sweat, hair, skin, urine and consumer products such as cosmetics and sunscreens from swimmers.”
These consumer products are often nitrogen-rich, and when mixed with disinfectants, these products may become chemically modified and converted into more toxic agents.
Long-term exposure to these disinfection byproducts can mutate genes, induce birth defects, accelerate the aging process, cause respiratory ailments, and even induce cancer, according to the researchers. While the new study did not examine actual effects on humans, it suggests such research might be warranted. ( source )
So listen up, all you nasty bastards and batardettes out there who find it too burdensome to cart your fun -in-the-sun frolicking butts to the bathroom: STOP PEEING IN THE POOL!
Oh, and for all of you who think, “It’s my pee, so it won’t hurt me,” all the other pee rule violators think the exact same thing.
Other Articles of Interest
]]>“Expectant mothers can expose themselves to the higher risk by drinking the water, swimming in chlorinated water, taking a bath or shower, or even by standing close to a boiling kettle, say researchers.
The finding, based on an analysis of nearly 400,000 infants, is the first that links by-products of water chlorination – chemicals known as trihalomethanes, or THMs – to three specific birth defects.
Exposure to high levels of THMs substantially increased the risk of holes in the heart, cleft palate and anencephalus, which results in the absence of a major portion of the brain, skull, and scalp.” ( source )
Most water systems chlorinate the water they provide in an effort to eliminate parasites and bacteria in drinking water which could lead to waterborne ailments and illnesses.
Not sure if your water contains THMs? Maybe the next few statements will help:
Still unsure as to whether or not your drinking water may contain THMs? You have three options:
“Stop using the TDS (total dissolved solids) meter as the only measurement of water quality. Disinfection Byproducts like Trihalomethanes, Volatile Organic Compounds, METHYL tertiary-butyl ether, chlorine, chloramines, cysts and lead are the primary contaminants to Public Water Systems. They have no impact on the conductivity of the water. Yet these do not register on a TDS meter. And public water systems primarily supply from surface water that tends to have low TDS levels.” ( Water Conditioning & Purification Magazine, March 2009, page 42 )
While TDS does play a large part in the determining whether or not your water will leave deposits on your fixtures, it alone does not indicate the relative safety and purity of your water. As always Water Testing Blog suggests that people get their water tested by Certified Water Analysis Laboratories if they suspect a serious health risk.
For all other water testing needs, simple at home drinking water test kits used in conjunction with TDS meters ought to work just fine. you can find more information about home drinking water test kits on this page. You can also find more information about home drinking water test kits by using the links below:
]]>Arsenic in Water and Soil: Arsenic QuickTM
Bacteria in Water: Bacteria Check
Chlorine Residual (Free): SenSafeTM Free Chlorine Water Check
Chlorine Residual (Total): SenSafeTM Total Chlorine Water Check
Lead in Water: Lead in Water Test Kit
Multi Parameter (6 Parameters): Well Water Check
Multi Parameter (11 Parameters): Well Driller Standard Water Test Kit
Multi Parameter (13 Parameters): COMPLETE Water Test Kit
Multi Parameter (15 Parameters): Water Quality Test Kit
Our opinion: Those days died with the dinosaurs or they never really existed!
Looking for ways to cut back in these tough economic times? An environmental group suggests skipping the bottled water and drinking from the tap. It might even be healthier.
The Environmental Working Group says its tests how 10 popular U.S. bottled water brands contain mixtures of 38 different pollutants, including bacteria, fertilizer, Tylenol and industrial chemicals, some at levels no better than tap water.
Wal-Mart’s Sam’s Choice at several locations contained contaminants exceeding California’s bottled water quality standards and safety levels for carcinogens under the state’s Safe Drinking Water and Toxic Enforcement Act, according to the group’s laboratory tests. Giant Foods’ Acadia brand consistently retained the high levels of cancer-causing chlorination byproducts found in the suburban Washington DC tap water from which it is made.
Overall, the group says the test results strongly indicate that the purity of bottled water cannot be trusted.
“It’s buyer beware with bottle water,” said Jane Houlihan, Vice President for Research at EWG. “The bottled water industry promotes its products as pure and healthy, but our tests show that pollutants in some popular brands match the levels found in some of the nation’s most polluted big city tap water systems. Consumers can’t trust that what’s in the bottle is anything more than processed, pricey tap water.”
“For years the bottled water industry has marketed their product with the message that it is somehow safer or purer than tap water,” said Wenonah Hauter, executive director of the non-profit consumer advocacy group Food & Water Watch. “This new report provides even more evidence that the purity of bottled water is nothing more than a myth propagated to trick consumers into paying thousands times more for a product than what it is actually worth.”
EWG said that laboratory tests it commissioned at one of the country’s leading water quality laboratories found 38 contaminants in ten brands of bottled water purchased from grocery stores and other retailers in nine states and the District of Columbia.
The pollutants identified include common urban wastewater pollutants like caffeine and pharmaceuticals, an array of cancer-causing byproducts from municipal tap water chlorination, heavy metals and minerals including arsenic and radioactive isotopes, fertilizer residue and a broad range of industrial chemicals. Four brands were also contaminated with bacteria.
Unlike tap water, where consumers are provided with test results every year, the bottled water industry does not disclose the results of any contaminant testing that it conducts, EWG said.
Americans paid $12 billion to drink 9 billion gallons of bottled water last year alone, EWG said. Yet, the tests show several bottled waters bore the chemical signature of standard municipal water treatment–a cocktail of fluoride, chlorine and other disinfectants whose proportions vary only slightly from plant to plant. In other words, some bottled water was chemically almost indistinguishable from tap water.
The only striking difference, the group says, is the price tag. The typical cost of a gallon of bottled water is $3.79–1,900 times the cost of a gallon of public tap water. (source article)
So what can YOU do to help make sure the water you consume does not contain harmful chemicals? Simple: Learn everything you can about the source your water comes from. If it comes from a bottle, read the bottle label and research the company that did the bottling. By law they must divulge the source of their water and you may find out that they merely take water from their own local (municipal) water supplier, run it through an activated carbon filter, bottle it, and ship it to you.
Megahome Countertop Water Distiller |
Where Can I Purchase a Distillation Water Filtration System?
We checked a few of our favorite sites that carry water filters and (surprisingly) did NOT find any. Naturally we then went to Amazon.Com to see what they offered and found a well-reviewd model called Megahome Countertop Water Distiller.
]]>Activated Carbon Filter:
]]>“MWH Labs has received accreditation for testing of bromate by EPA Method 317 under the Stage 2 Disinfection/Disinfection Byproducts (DDBP) Rule. Method 317 is, a very accurate and very precise analytical method for bromate, that avoids many of the problems with false negatives and false positives that are associated with the existing analytical method (EPA 300.1). Additionally method 317 is capable of detecting bromate as low as 1 ppb (vs 5 ppb for method 300.1), helping clients to more accurately assess their bromate treatment options. Bromate is regulated in bottled water and potable water at a level of 10 ppb.”(source)
Byproducts of the chemical reaction between the ‘bad’ components and the oxidizers form each time one of those ‘bad’ components gets eliminated and we call the disinfection byproducts. See below for a list of the ones listed in the National Primary Drinking Water Regulations for Disinfection ByProducts along with their MCL’s (Maximum Contaminat Levels) and potential hazards to humans:
The process by which oxidizers break down organic contaminants generates compunds known as ‘disinfection byproducts’: Trihalomethanes (THM’s), Haloacetic Acids (HAA5), Bromates, and Chlorites.
Trihaloemethanes (THM): chloroform, bromodichloromethane, dibromochloromethane, and bromoform.
“EPA has published the Stage 1 Disinfectants/Disinfection Byproducts Rule to regulate total trihalomethanes (TTHM) at a maximum allowable annual average level of 80 parts per billion. This standard will replace the current standard of a maximum allowable annual average level of 100 parts per billion in December 2001 for large surface water public water systems. The standard will become effective for the first time in December 2003 for small surface water and all ground water systems.” (source)
Haloacetic Acids (HAA5): monochloroacetic acid, dichloroacetic acid, trichloroacetic acid and others.
“EPA has published the Stage 1 Disinfectants/Disinfection Byproducts Rule to regulate HAA5 at 60 parts per billion annual average. This standard will become effective for large surface water public water systems in December 2001 and for small surface water and all ground water public water systems in December 2003.” (source)
Bromate:
“Bromate is a chemical that is formed when ozone used to disinfect drinking water reacts with naturally occurring bromide found in source water. EPA has established the Stage 1 Disinfectants/Disinfection Byproducts Rule to regulate bromate at annual average of 10 parts per billion in drinking water. This standard will become effective for large public water systems by December 2001 and for small surface water and all ground public water systems in December 2003.” (source)
Chlorite:
“Chlorite is a byproduct formed when chlorine dioxide is used to disinfect water. EPA has published the Stage 1 Disinfectants/Disinfection Byproducts Rule to regulate chlorite at a monthly average level of 1 part per million in drinking water. This standard will become effective for large surface water public water systems in December 2001 and for small surface water and all ground water public water systems in December 2003.” (source)
Health officials and medical professionals have studied the effects of disinfection byproducts since the mid 1970’s and have found that in large doses, laboratory animals have developed serious, and sometimes deadly, health conditions. With regard to the effects these compunds have on humans, these same health officials and medical professionals have deterined that the current empirical evidence indicates a potential danger to humans and thus a need for additional research and study.
They also believed that the empirical data had enough merit to warrant restrictions on the amounts of disinfection byproducts in drinking water: Stage 1 Disinfectants/Disinfection Byproducts Rule.
]]>“In sum, EPA believes the weight-of-evidence presented by the available epidemiological studies on chlorinated drinking water and toxicological studies on individual disinfection byproducts support a potential hazard concern and warrant regulatory action at this time such as that taken in the Stage 1 Disinfectants/Disinfection Byproducts Rule.” (source)