Lead supply pipe

Can anyone give me a standard defect description regarding lead water supply pipes?

Try here:

http://www.inspect-ny.com/water/leadtest.htm

Thanks Larry

That site was very useful.

Here is a center for disease control site.
http://rds.yahoo.com/_ylt=A0geu8UoO5VHgmUBwoFXNyoA;_ylu=X3oDMTFiazB0ZjUzBHNlYwNzcgRwb3MDMgRjb2xvA2FjMgR2dGlkA01BUDAwOV8xMDAEbANXUzE-/SIG=124193363/EXP=1201048744/**http%3a//www.cdc.gov/nceh/lead/faq/leadinwater.htm

at the very least it should be tested .
Lucky in most places the insides of these pipes are coated with mineral deposits over time