Total trihalomethanes definition

Total trihalomethanes or “TTHM” means the sum of the concentration of trihalomethanes (THMs), in milligrams per liter (mg/ℓ), rounded to two significant figures.
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Total trihalomethanes or “TTHM” means the sum of the concentrations in milligrams per liter (mg/L) of the trihalomethane compounds (bromodichloromethane, bromoform, chloroform, and dibromochloromethane), rounded to two significant figures after addition.
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Total trihalomethanes or “TTHMs" means the sum of the concentration in milligrams per liter of trihalomethane compounds [trichloromethane (chloroform), dibromochloromethane, bromodichloromethane and tribromomethane (bromoform)] rounded to two significant figures.
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Examples of Total trihalomethanes in a sentence

  • Total trihalomethanes is the sum of the concentrations of chloroform, bromodichloromethane, dibromochloromethane, and bromoform.

  • Total trihalomethanes (TTHMs) consist of a sum of the levels of four closely related chemicals—chloroform, dibromochloromethane, bromoform, and bromodichloromethane—which occur together at varying ratios when water is chlorinated.

  • Total trihalomethanes are considered the sum of the concentrations of bromodichloromethane (CAS No. 75-27-4), dibromochloromethane (Chlorodibromomethane(HM), CAS No. 124-48-1), tribromomethane (bromoform, CAS No. 75-25-2) and trichloromethane (chloroform, CAS No. 67-66-3).

  • Total trihalomethanes is the sum of concentrations of the trihalomethane compounds: bromodichloromethane, bromoform, chloroform, and dibromochloromethane.

  • NR 809.14 Corrosivity monitoring — special characteristics.NR 809.20 Synthetic organic contaminant maximum contaminant levels and BATS.NR 809.21 Synthetic organic contaminant sampling and analytical require- ments.NR 809.22 Total trihalomethane maximum contaminant level.NR 809.23 Total trihalomethanes — sampling and analytical requirements.


More Definitions of Total trihalomethanes

Total trihalomethanes or "TTHM" means the sum of the concentration in milligrams per liter of the THM compounds:
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Total trihalomethanes. (TTHM) means the sum of the concentration in milligrams per liter of the trihalomethane compounds: trichloromethane (chloroform), dibromochloromethane, bromodichloromethane, tribromomethane (bromoform), rounded to two significant figures after addition.
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Total trihalomethanes or "TTHM" means the sum of the concentrations of the trihalomethanes expressed in milligrams per liter (mg/L) and rounded to two significant figures. For the purpose of these regulations, the TTHMs shall mean trichloromethane (chloroform), dibromochloromethane, bromodichloromethane, and tribromomethane (bromoform).
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Total trihalomethanes means the sum of the concentrations of the following trihalomethane compounds: trichlo- romethane (chloroform), dibromochloromethane, bromo-dichloromethane, and tribromomethane (bromoform).
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Total trihalomethanes or “TTHM” means the sum of the concentrations in milligrams per liter of bromodichloromethane, dibromochloromethane, tribromoethane (bromoform) and trichloromethane (chloroform) rounded, to 2 significant figures;
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Total trihalomethanes or "TTHM" means the sum of the concentration in milligrams per liter of the trihalomethane compounds (trichloromethane (chloroform), dibromochloromethane, bromodichloromethane, and tribromomethane (bromoform)), rounded to two significant figures." Transient non-community water system" or “TWS” means a non-community water system that does not regularly serve at least twenty-five of the same persons over six months per year.
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Total trihalomethanes or "TTHM" means the sum of the concentration, in milligrams per liter,
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