AWWA MTC53714 Financing Installing Membrane Filtration to Comply With the Long Term 1 Enhanced Surface Water Treatment Rule

融资和安装膜过滤以符合长期1强化地表水处理规则

基本信息

标准号

AWWA MTC53714

标准状态

现行

发布单位或类别

美国-美国给水工程协会(US-AWWA);

发布日期

实施日期

废止日期

CCS分类

ICS分类

研制信息

起草单位

- 展开▼

起草人

归口单位

摘要

The Environmental Protection Agency has proposed the Long Term 1 EnhancedSurface Water Treatment Rule (LT1ESWTR) in accordance with the 1996 Amendmentsto the Safe Drinking Water Act. This regulation will provide added public healthprotection for millions of Americans served by small surface water systems (systemsserving fewer than 10,000 persons). The rule (scheduled for promulgation in the nearfuture) will require small systems to meet strengthened filtration limits in order to controlfor the potentially lethal microbe Cryptosporidium. In an effort to comply with this new rule, many small systems will be faced with ahost of compliance choices. Systems may choose to consolidate with surroundingcommunities, make operational changes to existing treatment, or even purchase andinstall brand new treatment plants. One of the newest options for systems is theinstallation of membrane filtration. Significant study has already been completedregarding the design considerations and effectiveness of membrane filtration as atreatment technology. However, little focus has been given to the practical application atsmall systems with respect to affordability. This paper provides a look at several of theimportant concepts surrounding the decision to install membrane filtration as well as abrief analysis of the issue of affordability for small systems. It is also intended to shedlight on the role that membrane filtration may play in the context of meeting theLT1ESWTR. Includes 23 references, figures. 根据1996年修订的《安全饮用水法案》，环境保护局提出了长期强化地表水处理规则（LT1ESWTR）。这项法规将为数百万由小型地表水系统服务的美国人提供额外的公共健康保护（该系统服务人数少于10000人）。这项规定（计划在不久的将来颁布）将要求小型系统达到强化的过滤极限，以控制潜在致命微生物隐孢子虫。为了遵守这一新规则，许多小型系统将面临大量的法规遵从性选择。系统可能会选择与周围社区进行整合，对现有处理进行操作更改，甚至购买和安装全新的处理厂。系统的最新选择之一是安装膜过滤。关于膜过滤作为一种处理技术的设计考虑和有效性，已经完成了重要的研究。然而，对于小型系统的实际应用，人们很少关注其可承受性。本文介绍了围绕决定安装膜过滤的几个重要概念，并简要分析了小型系统的可承受性问题。它还旨在阐明膜过滤在满足TELT1ESWTR方面可能发挥的作用。包括23个参考文献、图表。展开▼

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