Why the study?
Does chlorine at 0.5 ppm inactivate the virus of poliomyelitis?
Does chlorine at 0.5 ppm inactivate the virus of poliomyelitis?
Chlorine at concentrations typically exceeding municipal water treatment levels (0.5 ppm) is insufficient to inactivate the poliomyelitis virus within 1.5 hours.
Questions adequacy of 0.5 ppm chlorination for poliovirus; hypothesis-generating for disinfection thresholds, should not change practice.
Chlorine in a concentration of 0.5 ppm, which is an amount in excess of that usually employed in municipal practice, did not inactivate the virus of poliomyelitis in 11/2 hours.
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Kempf et al. (1940) studied this question.
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