A confirmatory holding time study for purgeable VOCs in water samples

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Description

Analyte stability during pre-analytical storage is essential to the accurate quantification contaminants in environmental samples. This is particularly true for volatile organic compounds (VOCS) which can easily volatilize and/or degrade during sample storage. Recognizing this, regulatory agencies require water samples be collected in vials without headspace and stored at 4 degrees C, and that analyses be conducted within 14 days, 2048 even if samples are acid-preserved. Since the selection of a 14-day holding time was largely arbitrary, the appropriateness of this requirement must be re-evaluated. The goal of the study described here was to provide regulatory agencies with the necessary ... continued below

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7 p.

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West, O.R.; Bayne, C.K.; Siegrist, R.L.; Holden, W.H. & Bottrell, D.W. October 1, 1996.

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Description

Analyte stability during pre-analytical storage is essential to the accurate quantification contaminants in environmental samples. This is particularly true for volatile organic compounds (VOCS) which can easily volatilize and/or degrade during sample storage. Recognizing this, regulatory agencies require water samples be collected in vials without headspace and stored at 4 degrees C, and that analyses be conducted within 14 days, 2048 even if samples are acid-preserved. Since the selection of a 14-day holding time was largely arbitrary, the appropriateness of this requirement must be re-evaluated. The goal of the study described here was to provide regulatory agencies with the necessary data to extend the maximum holding time for properly preserved VOC water samples to 28 days.

Physical Description

7 p.

Notes

INIS; OSTI as DE96014694

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  • 12. annual waste testing and quality assurance symposium, Washington, DC (United States), 22-24 Jul 1996

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  • Other: DE96014694
  • Report No.: CONF-9607123--5
  • DOI: 10.2172/395487 | External Link
  • Office of Scientific & Technical Information Report Number: 395487
  • Archival Resource Key: ark:/67531/metadc686611

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Office of Scientific & Technical Information Technical Reports

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  • October 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Jan. 19, 2016, noon

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West, O.R.; Bayne, C.K.; Siegrist, R.L.; Holden, W.H. & Bottrell, D.W. A confirmatory holding time study for purgeable VOCs in water samples, report, October 1, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc686611/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.