Proposed revision to NSF/ANSI/CAN 61: Drinking Water System Components – Health Effects (61i172r1)
The proposed revision will update the maximum lead test statistic Q value from 5.0 μg to 1.0 μg for Section 9 endpoint devices and from 1.0 μg to 0.5 μg for supply stops, flexible plumbing connectors and miscellaneous components. |