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Retrofitting Pubicly-owned Treatment Works For Compliance

RRP $415.99

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This manual is intended as a source document for individuals responsible for improving the performance of an existing, non-complying wastewater treatment facility. Described are: 1) methods to evaluate an existing facility's capability to achieve improved performance, 2) a process for systematically improving its performance, and 3) details on how to modify the facility to achieve the required levels of performance. The manual emphasizes meeting National Pollutant Discharge Elimination System (NPDES) permit requirements for secondary treatment facilities (30 mg/L BODs and TSS). Though the manual is not intended to describe cost saving options or to present alternatives for designing new facilities for expansion purposes (i.e., to provide increased hydraulic and/or BOD loading capacity), in some cases the approach and modifications described may result in cost savings and/or increased capacity.
The need for better treatment performance from existing facilities is widespread. Usually the most cost effective approach for owners to achieve compliance is to optimize existing facilities either in terms of capital or operational improvements. Recent events have provided impetus to this approach by increasing incentives for improving existing plant performance.


A House Without Windows

RRP $18.99

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Newly-pregnant Dr Beth Nichols is happily engaged to Liam Darrah, a fellow doctor. She has no idea she is being stalked by ex-patient Edwin Evans as she makes her way home one evening after a late shift at the hospital. After being anaesthetised she wakes up in Edwin's basement, held against her will, and eventually gives birth there without medical help. However, Beth tries to stay positive, and somehow knows that Liam will still be out there searching for her. Every night she looks up at the light bulb that is never switched off, and prays that one day they will be together again. This Romance/Suspense story is written from different perspectives; from Beth's 9 year old daughter Amy, born in captivity, from Beth herself, unwillingly pregnant again years later with Edwin's baby, from Liam and Edwin, and 16 years later from Joss, Beth and Edwin's son.



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