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NSF 53-2011
M00000043
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NSF 53-2011 Drinking Water Treatment Units-Health Effects
standard by NSF International, 04/01/2011
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Full Description
This edition of the Standard contains the following revisions: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.