NSF 53-2011
- Drinking Water Treatment Units-Health Effects
- standard by NSF International, 04/01/2011
- Category: NSF
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Issue 77
This revision clarifies the rated service flow requirement by not allowing a rated service flow to be less than the required minimum service flow.
Issue 78
EPA methods for 524.2 and 524.3 for VOC analysis were added to Table 7.
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