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TTHM |
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EPA 1999) because the distribution systems displayed large temporal fluctuations (range, 7-81 [micro]g/L) and low spatial variability in TTHM levels that permitted a natural experiment through intracommunity comparisons of exposures and outcomes. The current maximum contaminant level for TTHM is 80 parts per billion, based on a running annual average from quarterly sampling. EnSys' TTHM Water Test System kits, commercially available from EnSys, provide significant cost and speed advantages over conventional analytical methods. |
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