API PUBL 4670-1998

$27.95

Selecting Field Analytical Methods, a Decision-Tree Approach

Published By	Publication Date	Number of Pages
API	1998	87

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Description

A large number of portable instruments and techniques are available to perform on-site analyses of organic compounds in soil, groundwater, and soil gas samples at petroleum release sites. The appropriate selection and use of these methods can result in increased spatial site information in less time and with fewer phases of assessment than is typical using conventional sampling methods and off-site laboratories. There is some reluctance to using field analytical methods because of the lack of regulatory acceptance and the perception that field methods do not provide data of adequate quality for making decisions.

This report makes no recommendations, but presents a decision-tree approach for selecting and using field analytical methods. This approach will assist the user in the generation of higher quality field analytical data by prompting selection of the appropriate method for the site's investigation goal. Quality assurance guidelines specific to the desired data quality level are also presented, to increase the credibility of the data by documenting method performance. The report also provides training suggestions and easy-to-use checklists for field quality control and formal documentation.

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