Guidance has been updated on a number of chemicals: asbestos, bentazone, chromium, iodine, manganese, microcystins, nickel, silver, tetrachloroethene and trichloroethene. Guidance has also been added for chemicals not previously assessed in the Guidelines: anatoxin-a and analogues, cylindrospermopsi...ns and saxitoxins. The new guidance on organotins has replaced the prior guidance focused on dialkyltins. With these updates, the guideline values for tetrachloroethene and trichloroethene have been revised while new guideline values for cylindrospermopsins, manganese, microcystins, and saxitoxins have been established .
Updated information on cyanobacteria has been included, introducing an alert level framework for early-warning and to guide short-term management responses. Guidance has also been updated in the sections on adequacy of water supply, climate change, emergencies, food production and processing, and radiological aspects, particularly on managing radionuclides when exceeding WHO screening values and guidance levels.
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إن أهمية الفواكه والخضروات في النظم الغذائية الصحية والمغذية معروفة جيدًا ، وفي السنوات الأخيرة تم تشجيع المستهلكين على تناول المزيد من هذه المنتجات. بالنسبة للعدي...د من البلدان ، ولا سيما البلدان النامية ، أصبحت هذه المنتجات سلعة قيمة. وفي الوقت نفسه ، تتزايد مشكلات سلامة الأغذية المرتبطة باستهلاك الفواكه والخضروات الطازجة الملوثة بالكائنات الحية الدقيقة
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A septic tank takes raw sewage in, allows the solids to settle (sludge) and allows the remaining liquid to flow into the surrounding soil by means of a soakaway. Scum on the surface is also prevented from leaving the tank. Microorganisms in the anaerobic environment in the tank digest the sludge and... scum. The system consists of several stages, supply to the tank, the tank itself and the soak field.
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Adresssing climate change impacts on infrastructure: preparing for change. Fact sheet
THIS LEAFLET AIMS AT GUIDING YOU THROUGH THE VERY FIRST DAYS OF AN OUTBREAK
"This document provides recommendations for protecting healthcare providers and managing patients in the event of a hazardous materials exposure. Content was compiled through nationally recognized, current practice standards and formatted into user-friendly materials. "