Study for the Rhode Island Journeyman Plumber Exam. Prepare with flashcards and multiple choice questions, each with hints and explanations. Achieve success in your plumbing career!

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Lead-free pipes and fittings must contain less than what percentage of lead?

  1. 0.1%

  2. 0.2%

  3. 0.5%

  4. 0.8%

The correct answer is: 0.2%

Lead-free pipes and fittings are defined by the Safe Drinking Water Act and subsequent regulations, which mandate that such materials must contain less than 0.25% lead. This standard is crucial for ensuring the safety and quality of drinking water, as higher lead content can pose serious health risks to individuals, particularly children. The percentage of lead is measured by the weighted average lead content across the entire pipe or fitting. By establishing a threshold that is lower than previous regulations (which allowed more lead), the intention is to minimize lead exposure in plumbing systems, supporting healthier communities. Understanding this benchmark is vital for any plumbing professional, as compliance with lead-free specifications not only affects public health but also aligns with regulatory standards that plumbers must adhere to within their practice.