This is a legacy version of the WELL Building Standard. Please check the latest version here.
   
  1. Air
  2. Fundamental material safety

Fundamental material safety

Features/Air/Feature 11

Fundamental material safety

Intent: 

To reduce or eliminate occupant exposure to lead, asbestos, and polychlorinated biphenyls (PCBs) from building materials.

Posted on: 27 Apr, 2017
Amendment:

Remove: "Not more than 100 ppm (by weight) added lead". Add: "Not more than a weighted average of 0.25% lead in wetted surfaces of pipes, pipe fittings, plumbing fittings, and fixtures, and 0.20% for solder or flux used in plumbing for water intended for human consumption"
Posted on: 27 Apr, 2017
Amendment:

Add "c. Not more than 100 ppm (by weight) added lead in all other building materials."