Homeowners’ decisions to replace their lead service lines (LSLs) can be complicated by factors including understanding of the science, perceptions of lead exposure risks, and cost of the work.

中文翻译：

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我的私人牵头服务热线

房主决定更换其铅服务线（LSL）的决定可能会因多种因素而变得复杂，包括对科学的理解，对铅接触风险的认识以及工作成本。