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A Comparison of Preservation Techniques for Dissolved Nutrient Analyses.

The purpose of this study is to compare alternative processing and preservation techniques. For the present discussion processing includes filtering, chilling, freezing, and the addition of acid or other chemicals to reduce or stop bacterial transformation of the constituent to be measured in the sample. Since the immediate processing and analysis of samples is rarely possible, scientists, water quality managers, and analysts must determine an appropriate alternative to immediate analysis.

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Dissolved Organic Carbon: Data Variability and Procedural Recommendations Report for AMQAW (Revision

Beginning with the first Bay cruise in January 1996, DOC data was no longer to be reported; however, AMQAW requested that the DOC data generated since the beginning of the program be scrutinized and that 1.) a factor be found, if possible, to improve the comparability of the data, 2.) the affect of salinity on DOC measurements, in general, be assessed, 3.) a DOC procedure be recommended for future DOC work so that future DOC data will be in closer agreement .

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Community Watershed Assessment Handbook

The Community Watershed Assessment Handbook is a simple and straightforward watershed assessment tool that is intended to direct community groups and local governments in conducting a comprehensive environmental assessment. The purpose of the handbook is to outline a basic process for assessing your community?s current and anticipated future watershed conditions. In addition, the manual offers guidance for using the resulting assessment information as a foundation for future watershed management planning.

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