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ASTM E3281 PDF
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Standard Guide for NAPL Mobility and Migration in Sediments — Screening Process to Categorize Samples for Laboratory NAPL Mobility Testing
| Published by | Publication Date | Number of Pages |
| ASTM | 10/01/2021 | 24 |
ASTM E3281 – Standard Guide for NAPL Mobility and Migration in Sediments — ScreeningProcess to Categorize Samples for Laboratory NAPL Mobility Testing
1.1”This guide is designed for general application at a wide range of sediment sites where non-aqueous phase liquid (NAPL) is present or suspected to be present in the sediment. This guide describes a process to use field screening methods, specifically visual observations, and the results of shake tests, to categorize the relative amount of NAPL present in a sample. This categorization can then be utilized to select co-located sediment samples for laboratory testing to determine if the NAPL in the sample interval is mobile or immobile at the pore scale, or any other chemical or physical testing.
1.1.1”There is no current industry standard methodology to select sediment samples for laboratory NAPL mobility testing; the use of different methodologies is possible. This guide focuses on a selection process that uses visual observations and shake tests. This process has the advantage of being simple to use and, if applied in a disciplined manner, has been demonstrated to provide good results in the field.
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