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 />
• Ultraviolet disinfection devices<br />
– Performance <strong>and</strong> evaluation<br />
• UV disinfection test<br />
– Hydraulic loading (both <strong>46</strong> & 385)<br />
6 a.m. to 9 a.m. 35% <strong>of</strong> total minimum daily flow<br />
11 a.m. to 2 p.m. 25% <strong>of</strong> total minimum daily flow<br />
5 p.m. to 8 p.m. 40% <strong>of</strong> total minimum daily flow<br />
– Dosing volumes measure daily<br />
– 30-day avg. volume <strong>of</strong> wastewater within 100% ±<br />
10% <strong>of</strong> daily rated hydraulic capacity
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