根据EPA9月份的一份报告,危险废物焚烧可以实现PFAS化合物的近完全销毁。销毁和去除效率范围为99.95%至99.9999%,挥发性氟化化合物的排放量低或无法检测,使焚烧成为管理PFAS废物的可行选择。EPA的临时指南预计将在2026年春季发布。
虽然EPA不能认可特定的处理方法,但其即将发布的指南将纳入这些发现,表明在适当条件下,焚烧可能被认为是有效的。该机构强调,现场特定验证仍然至关重要,以确认性能并防止不完全销毁产物的形成。
这一发展对于根据《综合环境响应、赔偿和责任法》(CERCLA)管理PFAS废物的实体尤其重要,该法现在将PFOS和PFOA指定为危险物质。有效的销毁方法可以帮助减轻长期责任风险。EPA还预计在2026年初发布其他PFAS研究的结果,包括关于城市废物转化为能源设施的研究。
各州也已经开始探索PFAS焚烧作为潜在的处置方法。华盛顿州在评估替代品后,最近选择焚烧含PFAS的消防泡沫。然而,环保组织继续对不完全销毁和残留污染表示担忧。
EPA更新的指南将提供关于PFAS销毁技术(包括焚烧)的最新科学信息,但不会施加监管要求。利益相关者应密切关注这些发展,并考虑是否应将焚烧纳入PFAS废物管理策略,同时需进行设施特定测试并遵守RCRA。
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