Environmental
A NC property owner who discovers pipes in their pre-1986 home may contain lead solder should be aware that:
ALead solder is only a concern in commercial buildings
BLead solder in plumbing can leach into drinking water, particularly from the first draw of cold water after periods of non-use✓ Correct
CLead solder must be immediately replaced by law
DLead solder only affects the exterior of the pipes
Explanation
Older plumbing systems may contain lead solder (used before 1986 when the Safe Drinking Water Act banned lead solder). It can leach lead into drinking water, especially during first draws after the water sits in pipes.
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