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Standard Methods

WEBBiological, Part 10110, Part 10000. NA. Abstract Full Text References PDF/EPUB. Standard Methods for the Examination of Water and Wastewater represents the best current …

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URL: https://www.standardmethods.org/doi/book/10.2105/SMWW.2882

Standard Methods

WEBGeneral Ballot Response. The Developers. Standard Methods for the Examination of Water and Wastewater is the result of a joint effort by three technical societies: American …

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9260 INTRODUCTION TO DETECTING PATHOGENIC BACTERIA

WEB9260 A. Introduction 1. General Discussion One purpose of drinking water and wastewater treatment is to reduce the numbers of viable organisms to acceptable levels, and to …

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9510 DETECTION OF ENTERIC VIRUSES

WEB9510 A. Introduction 1. Occurrence Viruses excreted in the feces or urine of animals may pollute water, but those in human feces are of particular importance to human health. …

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5210 BIOCHEMICAL OXYGEN DEMAND (BOD)

WEB5210 A. Introduction 1. General Discussion Biochemical oxygen demand (BOD) testing determines the relative oxygen requirements of wastewaters, effluents, and polluted …

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5220 CHEMICAL OXYGEN DEMAND (COD)

WEB5220 A. Introduction Chemical oxygen demand (COD) is defined as the amount of a specified oxidant that reacts with the sample under controlled conditions. The quantity of …

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4500-F − FLUORIDE

WEB4500-F− A. Introduction Fluoride may occur naturally in water or it may be added in controlled amounts. Some fluorosis may occur when the fluoride level exceeds the …

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9213 RECREATIONAL WATERS

WEB1. Definition of Recreational Waters and Use of Appropriate Microbiological Indicators Recreational waters are those in which primary contact occurs. Primary contact …

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2550 TEMPERATURE

WEB2550 A. Introduction Temperature readings are used in the calculation of various forms of alkalinity, in studies of saturation and stability with respect to calcium carbonate, in the …

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2020 QUALITY ASSURANCE/QUALITY CONTROL

WEB2020 A. Introduction Quality control (QC) is an important attribute of any laboratory’s quality assurance (QA) program. Without QC, there is no confidence in the results of analytical …

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STANDARD METHODS COMMITTEE

WEBStandard Methods for the Examination of Water and Wastewater represents the best current practice of American water analysts. This comprehensive reference covers all …

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9225 DIFFERENTIATION OF COLIFORM BACTERIA

WEB9225 A. Introduction The significance of various coliform organisms in water has long been a subject of considerable study. Collectively, coliform bacteria (also called total …

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4500-S 2− SULFIDE

WEB4500-S2− A. Introduction 1. Occurrence and Significance Sulfide is often present in groundwater and sediment. It is produced by decomposition of organic matter and …

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5310 TOTAL ORGANIC CARBON

WEB5310 A. Introduction 1. General Discussion Organic carbon in environmental and other water matrices may exist in a variety of oxidation states. Some of these compounds can …

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- Standard Methods For the Examination of Water and Wastewater

WEBThe content presented here represents the most current version of this section, which was printed in the 24th edition of Standard Methods for the Examination of Water and …

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4500-CN − CYANIDE

WEB1. General Discussion In this section, cyanide refers to forms of inorganic cyanide (CN−) in water. Cyanide can exist in aqueous media as free undissociated hydrogen cyanide …

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