{"id":3251,"date":"2022-10-07T16:42:20","date_gmt":"2022-10-07T16:42:20","guid":{"rendered":"http:\/\/www.brandon.ddtest.info\/gochemless\/?page_id=3251"},"modified":"2022-10-07T17:09:56","modified_gmt":"2022-10-07T17:09:56","slug":"trihalomethanes","status":"publish","type":"page","link":"http:\/\/www.brandon.ddtest.info\/gochemless\/trihalomethanes\/","title":{"rendered":"Trihalomethanes"},"content":{"rendered":"

[vc_row tm_bgimagefixed=”” css=”.vc_custom_1665065727174{margin-top: 4px !important;margin-bottom: 0px !important;border-top-width: 4px !important;border-bottom-width: 0px !important;padding-top: 4px !important;padding-bottom: 0px !important;}”][vc_column width=”1\/6″][\/vc_column][vc_column width=”2\/3″][vc_single_image image=”3298″ img_size=”medium” alignment=”center” style=”vc_box_outline”][\/vc_column][vc_column width=”1\/6″][\/vc_column][\/vc_row][vc_row tm_bgimagefixed=”” css=”.vc_custom_1665065701088{margin-top: 0px !important;margin-bottom: 0px !important;border-top-width: 0px !important;border-bottom-width: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}”][vc_column width=”1\/6″][\/vc_column][vc_column width=”2\/3″][vc_separator][\/vc_column][vc_column width=”1\/6″][\/vc_column][\/vc_row][vc_row tm_bgimagefixed=”” css=”.vc_custom_1665004846055{margin-top: 4px !important;border-top-width: 4px !important;padding-top: 4px !important;}”][vc_column width=”1\/6″][\/vc_column][vc_column width=”2\/3″][vc_column_text]<\/p>\n

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Trihalomethanes<\/a>\u00a0(THMs) are a family of very dangerous and hazardous chemicals found in Chlorine, which are collectively suspected to cause cancer.\u00a0 THMs are absorbed through your skin and are known to cause asthma.\u00a0 THMs are also linked to bladder and colon cancer as well as being linked to reproductive issues and birth defects.<\/div>\n<\/div>\n<\/div>\n
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Trihalomethanes are formed as a by-product predominantly when\u00a0chlorine<\/a>\u00a0is used to disinfect water for drinking. They represent one group of chemicals generally referred to as\u00a0disinfection by-products<\/a>. They result from the reaction of chlorine and\/or bromine with organic matter present in the water being treated. The THMs produced have been associated through epidemiological studies with some adverse health effects. Many governments set limits on the amount permissible in drinking water. However, trihalomethanes are only one group of many hundreds of possible disinfection by-products\u2014the vast majority of which are not monitored\u2014and it has not yet been clearly demonstrated which of these are the most plausible candidate for causation of these health effects. In the United States, the EPA limits the total concentration of the four chief constituents (chloroform<\/a>,\u00a0bromoform<\/a>,\u00a0bromodichloromethane<\/a>, and\u00a0dibromochloromethane<\/a>), referred to as total trihalomethanes (TTHM), to 80 parts per billion in treated water.<\/p>\n

Chloroform<\/a>\u00a0is also formed in swimming pools which are disinfected with\u00a0chlorine<\/a>\u00a0or\u00a0hypochlorite<\/a>\u00a0in the\u00a0haloform reaction<\/a>\u00a0with organic substances (e.g. urine, sweat, hair and skin particles). Some of the THMs are quite volatile and may easily vaporize into the air. This makes it possible to inhale THMs while showering, for example. The EPA, however, has determined that this exposure is minimal compared to that from consumption. In swimmers,\u00a0uptake of THMs is greatest via the skin with dermal absorption accounting for 80% of THM uptake<\/em><\/strong>. Exercising in a chlorinated pool increases the toxicity of a \u201csafe\u201d chlorinated pool atmosphere with toxic effects of chlorine byproducts greater in young swimmers than older swimmers. Studies in adolescents have shown an inverse relationship between serum testosterone levels and the amount of time spent in a public pools.\u00a0Chlorination by-products have been linked as a probable cause<\/em>.<\/p>\n\n\n\n\n\n\n\n\n\n\n
Common trihalomethanes<\/strong>\u00a0(ordered by molecular weight)<\/caption>\n
Molecular formula<\/th>\nIUPAC name<\/th>\nCAS registry\u00a0 #<\/th>\nCommon name<\/th>\nOther names<\/th>\nMolecule<\/th>\n<\/tr>\n
CHF3<\/sub><\/td>\ntrifluoromethane<\/td>\n75-46-7<\/td>\nfluoroform<\/a><\/td>\nFreon<\/a>\u00a023, R-23, HFC-23<\/td>\n\"Fluoroform\"<\/a><\/td>\n<\/tr>\n
CHClF2<\/sub><\/td>\nchlorodifluoromethane<\/td>\n75-45-6<\/td>\nchlorodifluoromethane<\/a><\/td>\nR-22, HCFC-22<\/td>\n\"Chlorodifluoromethane\"<\/a><\/td>\n<\/tr>\n
CHCl3<\/sub><\/td>\ntrichloromethane<\/td>\n67-66-3<\/td>\nchloroform<\/a><\/td>\nmethyl trichloride<\/td>\n\"Chloroform\"<\/a><\/td>\n<\/tr>\n
CHBrCl2<\/sub><\/td>\nbromodichloromethane<\/td>\n75-27-4<\/td>\ndichlorobromomethane<\/a><\/td>\nBDCM<\/td>\n\"Bromodichloromethane\"<\/a><\/td>\n<\/tr>\n
CHBr2<\/sub>Cl<\/td>\ndibromochloromethane<\/td>\n124-48-1<\/td>\nchlorodibromomethane<\/a><\/td>\nCDBM<\/td>\n\"Dibromochloromethane\"<\/a><\/td>\n<\/tr>\n
CHBr3<\/sub><\/td>\ntribromomethane<\/td>\n75-25-2<\/td>\nbromoform<\/a><\/td>\nmethyl tribromide<\/td>\n\"Bromoform\"<\/a><\/td>\n<\/tr>\n
CHI3<\/sub><\/td>\ntriiodomethane<\/td>\n75-47-8<\/td>\niodoform<\/a><\/td>\nmethyl triiodide<\/td>\n\"Iodoform\"<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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[vc_row tm_bgimagefixed=”” css=”.vc_custom_1665065727174{margin-top: 4px !important;margin-bottom: 0px !important;border-top-width: 4px !important;border-bottom-width: 0px !important;padding-top: 4px !important;padding-bottom: 0px !important;}”][vc_column width=”1\/6″][\/vc_column][vc_column width=”2\/3″][vc_single_image image=”3298″ img_size=”medium” alignment=”center” style=”vc_box_outline”][\/vc_column][vc_column width=”1\/6″][\/vc_column][\/vc_row][vc_row tm_bgimagefixed=”” css=”.vc_custom_1665065701088{margin-top: 0px !important;margin-bottom: 0px !important;border-top-width: 0px !important;border-bottom-width: 0px !important;padding-top: 0px !important;padding-bottom: 0px !important;}”][vc_column width=”1\/6″][\/vc_column][vc_column width=”2\/3″][vc_separator][\/vc_column][vc_column width=”1\/6″][\/vc_column][\/vc_row][vc_row tm_bgimagefixed=”” css=”.vc_custom_1665004846055{margin-top: 4px !important;border-top-width: 4px !important;padding-top: 4px !important;}”][vc_column width=”1\/6″][\/vc_column][vc_column width=”2\/3″][vc_column_text] Trihalomethanes\u00a0(THMs) are a family of very … Continue reading Trihalomethanes<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"http:\/\/www.brandon.ddtest.info\/gochemless\/wp-json\/wp\/v2\/pages\/3251"}],"collection":[{"href":"http:\/\/www.brandon.ddtest.info\/gochemless\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.brandon.ddtest.info\/gochemless\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.brandon.ddtest.info\/gochemless\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.brandon.ddtest.info\/gochemless\/wp-json\/wp\/v2\/comments?post=3251"}],"version-history":[{"count":8,"href":"http:\/\/www.brandon.ddtest.info\/gochemless\/wp-json\/wp\/v2\/pages\/3251\/revisions"}],"predecessor-version":[{"id":3312,"href":"http:\/\/www.brandon.ddtest.info\/gochemless\/wp-json\/wp\/v2\/pages\/3251\/revisions\/3312"}],"wp:attachment":[{"href":"http:\/\/www.brandon.ddtest.info\/gochemless\/wp-json\/wp\/v2\/media?parent=3251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}