NSF/ANSI Standard 46 - Evaluation of Components and Devices ...
NSF/ANSI Standard 46 - Evaluation of Components and Devices ...
NSF/ANSI Standard 46 - Evaluation of Components and Devices ...
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<strong>NSF</strong>/<strong>ANSI</strong> <strong>St<strong>and</strong>ard</strong> <strong>46</strong><br />
• Ozone generation devices<br />
– Performance <strong>and</strong> evaluation<br />
• Fecal coliform deactivation test<br />
– Grab samples for fecal coliform testing shall be<br />
collected at the discharge <strong>of</strong> the mixing tank during<br />
the Ozone system life test<br />
– Collection times varied day to day over 30-day test<br />
with 50% (reduced to 25% in 385) taken during<br />
hydraulic loading periods<br />
– One sample/day which has an influent fecal count<br />
within the specified range<br />
– Testing continues until 30 samples have been<br />
collected
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