在危险废物管理体系中，HW（HazardousWaste）是核心标识符号。作为《国家危险废物名录》（2025版）的核心分类依据，HW代码不仅是废物属性的“身份证”，更是环境风险防控的关键抓手。本文将从HW的定义、代码构成、管理要求等维度展开分析，结合具体案例揭示其环境意义。

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