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Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 6 pptx

Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 1 pps

Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 1 pps

... WaterSoil CO 2 3.5 Acidity and AlkalinityBackgroundAcidityAlkalinityImportance of AlkalinityCriteria and Standards for AlkalinityCalculating Alkalinity Calculating Changes in Alkalinity, ... state has tables of waterquality standards for each classified water body. In addition to standards for environmental waters,there are standards for treated drinking water as delivered from a water ... Ratio (SAR)What SAR Values Are Acceptable? 6. 12 Oil and Grease (O&G)Oil and Grease AnalysisReferences Chapter 7 A Dictionary of Inorganic Water Quality Parameters and Pollutants 7.1...
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Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 2 docx

Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 2 docx

... electronegativity of H = 2.1) all alkanes are nonpolarbecause of their bond geometry. In the straight-chain alkanes (called normal-alkanes),as the alkane carbon chain becomes longer, the molecular ... also affects polarizability. Elongated molecules are more polarizable than compact molecules.Thus, a linear alkane is more polarizable than a branched alkane of the same molecular weight.All atoms ... distorted.Therefore, large atoms and molecules are more polarizable than small ones. Since atomic andmolecular sizes are closely related to atomic and molecular weights, we can generalize that polar-izability...
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Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 3 ppsx

Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 3 ppsx

... environmental conditions can cause an initially acceptable concentration of totalammonia to become unacceptable and in violation of a stream standard. For example, consider thecase of a wastewater ... productivewaterfowl habitats correlate with increased alkalinity above 25 mg/L as CaCO3.CRITERIA AND STANDARDS FOR ALKALINITYNaturally occurring levels of alkalinity reaching at least 400 mg/L as CaCO3 ... HARDNESSBACKGROUNDOriginally, water hardness was a measure of the ability of water to precipitate soap. It was measuredby the amount of soap needed for adequate lathering and served also as...
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Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 5 ppsx

Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 5 ppsx

... Gravity pulls water downward.2. Water pressure in the aquifer acts upward against gravity.3. Capillary forces at the interface between the saturated and unsaturated zones also actupward against ... part of a branch of environmental investigations known as environmental forensics.One of the most common applications of environmental forensics is identifying the sources of fuel contamination. ... sorption and capillary forces.Capillary forces cause the LNAPL to spread horizontally as well as vertically downward, creatingan inverted funnel-shaped zone of soil contamination.As liquid...
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Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 6 pptx

Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 6 pptx

... help assure that artifacts are recognizable and are notmistaken as real data.Trip Blanks: For each type of container and preservative, at least one container of analyte-freewater should travel ... adequate evaluation of agriculturalwater quality:The importance of these parameters is indicated in Tables 6. 1 and 6. 2.Tables 6. 1 and 6. 2 list quality parameters of potential concern in water ... coolers, ice packs, clean sample containers with preser-vatives appropriate for requested analyses, container labels, and chain -of- custody forms and sealsas part of their analytical services.The...
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Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 7 (end) pdf

Applications of Environmental Chemistry: A Practical Guide for Environmental Professionals - Chpater 7 (end) pdf

... (EPA 440/ 5-8 4-0 33), Cadmium (EPA 440/ 5-8 4-0 32), Chromium (EPA 440/ 5-8 4-0 29), Copper (EPA 440/ 5-8 4-0 31), Cyanide (EPA 440/ 5-8 4- 028), Lead (EPA 440/ 5-8 4-0 27), Nickel (EPA 440/ 5-8 6- 0 04), Pentachlorophenol ... in lakes and rivers contaminated with sewage and animal wastes. Note: National primary drinking water regulations (NPDWRs, or primary standards) are legally enforceable standards thatapply ... load of manganese in anaverage adult is about 12 mg. Health problems in humans may arise from de cient and e xcessiveintakes of manganese. Thus, any quantitative risk assessment for manganese...
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Tài liệu LEAD USER PROJECT HANDBOOK: A practical guide for lead user project teams pptx

Tài liệu LEAD USER PROJECT HANDBOOK: A practical guide for lead user project teams pptx

... Project Handbook: A practical guide for lead user project teams Page 15 Applications of the Lead User Methods We have now defined the characteristics of lead users and looked at ways that ... users are: 1) lead users in the target application and market; 2) lead users of similar applications in advanced “analog” markets; 3) lead users with respect to important attributes of problems ... Handbook: A practical guide for lead user project teams Page 37 Arriving at a good need framing serves a critical purpose. Before the team has done this, it is dealing with many bits and...
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A Practical Guide for Health Researchers - part 2 pptx

A Practical Guide for Health Researchers - part 2 pptx

... particular study. All types of research design have a place, and all have advantages and disadvantages. But not all types of design are always possible for a particular study. For example, ... things, their own capabilities, the availability of material or subjects for the research, and the availability of resources. Often, a trade-off has to be made between the ideal and the possible. ... Rosenthal and his colleagues in 19 76 performed an experiment involving the training of two groups of rats in a maze learning task. A bright strain and a dull strain of rats especially bred for...
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A Practical Guide for Health Researchers - part 6 pps

A Practical Guide for Health Researchers - part 6 pps

... rows and, if necessary, a footnote for explanation of non-standard abbreviations that are used, and for identification of statistical measures of variations, such as standard deviation and standard ... change their traditional ways of treatment and to adopt more novel approaches. Pharmaceutical companies are now exploiting this patient-centred approach by targeting patients for their messages ... same author and the same year of publication, alphabetical annotation is used, for example “200 4a . The order of these alphabetically annotated citations ideally should be chronological within...
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A Practical Guide for Health Researchers - part 10 pptx

A Practical Guide for Health Researchers - part 10 pptx

... non-numerical data and interpretive analysis. Quantitative methods A research approach that emphasizes the collection of numerical data or data than can be quantified, and statistical analysis.Questionnaire ... from.Ordinal categorical data Categorical data in which the variables can be ordered one above another. An example of ordinal categorical data is the number of children a woman has. P value The probability ... variable becomes smaller.Nominal categorical data Data in which the categories cannot be ordered one above another. Examples of categorical nominal variables are sex and marital status.Non-maleficence...
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