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References in periodicals archive ?
Exposure-response relationship between residential trihalomethane (THM) concentrations (x-axis, in micrograms/liter) and colorectal cancer (y-axis, expressed as odds ratios, ORs) among 1,837 cases and 3,454 controls.
In the second experiment, the formation of trihalomethanes dependent variable composition and quality parameters [temperature, amount of chlorine added humic acid and pH] are independent variables To study the formation of trihalomethanes compounds in samples with concentrations of humic acid [5,4,3,2] and the amount of chlorine was added to 5 mg at 25[degrees]C and pH [7] in each disinfection system and the same two similarly prepared 72 hours and the temperature was hold.
Dahlgren, "Physical and chemical fractionation of dissolved organic matter and trihalomethane precursors: a review," Journal of Water Supply, vol.
The Fyne process uses nanofiltration membranes to retain undesired dissolved organic materials (mostly humic and fulvic acids) that, after chlorination, yield undesired disinfection by-products such as trihalomethane and haloacetic acid.
Trihalomethanes (THMs) and halo acetic acids (HAAs) are the main groups of DBPs commonly found in drinking waters [4-7].
EPA) adopted regulations that established a maximum contaminant level (MCL) of 0.1 mg/L for total trihalomethane (THM).
Treated water then passes through stripping towers, which remove 75 percent to 85 percent of the trihalomethanes (THMs) formed during disinfection.
By directing water from the Fall Brook reservoir into the Notown system, he said, levels of trihalomethane at five different sampling locations fell from a range of 142 to 153 parts per billion to 77.9 to 89.1 parts per billion.
Evaluating Trihalomethane Content in Drinking Water on the Basis of Common Monitoring Parameters, Regression Models Everly, Vicki, R.E.H.S.
Also, bromamines are less stable than chloramine making them less hazardous to marine life, although the breakdown of BrCl to bromide can increase trihalomethane formation.