Originally Posted By: jpope
This post was automatically imported from our archived forum.
I try and remain somewhat general in most of my responses, however, I never did mention "threaded" black piping although that may be irrelevant.
On the West Coast between 1970 and 1985 lead based material and lead pipe was commonly used in plumbing installations. If "lead pipe" was used, (MHO) this is an "extreme" case - this is "obvious" and "hazardous."
In some installations, lead solder or lead flux was used. Again, in my humble opinion, this is "less extreme" as it doesn't pose an "immediate" risk to the user and it is much more difficult to spot.
Even less obvious, more common, but fairly "extreme," is lead based galvanized pipe. This tends to pose a hazard in standing water where the lead can leach from the pipe into the water.
A standard recommendation (when a home has been built in that time frame and the original galv pipes are in use) is not to use hot tap water for cooking or for a baby's formula and to have the water checked for levels of lead.
I have never seen lead used in waste lines. I don't see how that could pose any kind of danger to anyone so I'm not sure if I'd make an issue of that. ![icon_biggrin.gif](upload://iKNGSw3qcRIEmXySa8gItY6Gczg.gif)
JPI Home Inspection Service
"At JPI, we'll help you look better"