A barrier pipe is a type of plastic piping equipped with a built-in protective layer or coating.Without this extra layer of protection, oxygen and other gases could pass through the walls of the pipe, leading to corrosion within the plumbing system over time. barrier pipe is a type of plastic piping equipped with a built-in protective layer or coating.
order for it to be considered lead-based paint, the paint must have greater than or equal to 0.5% lead. 2 For example, see the sections of the federal standard for lead in the construction industry identified as 29. CFR 1926.62(d)(2)(i) and 29 CFR 1926.62(d)(2)(iii)(B).
1 Sending a paint sample to a laboratory for professional testing costs about $20-$50 per sample, according to the Consumer Product Safety Commission (CPSC). 2  Do-it-yourself lead paint testing kits are available online or at most home improvement stores for $5-$30 each.omments (7). Banned since 1978, lead-based paint has been a major source of lead poisoning for children and can also affect adults. More than 80 percent of US homes built before 1978, or about 64 million, contain lead paint, according to TheGreenGuide.com.