Trip blank definition

Trip blank means a sample of analyte-free media taken from the laboratory to the sampling site and returned to the laboratory unopened. A trip blank is used to document con- tamination attributable to shipping and field handling procedures per cooler per sampling event.
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Trip blank means a sample of reagent grade water which is used to determine possible contamination of samples
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Trip blank means a sample of reagent grade water or methanol which is used to determine possible contamination of sample bottles from volatile organic chemicals while in transit to and from the laboratory.
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Examples of Trip blank in a sentence

  • Trip blank analysis is not required if all samples in a shipping container are less than the project specific cleanup level.

  • Trip blank samples were also collected by the laboratory and accompanied the sample container shipment from the laboratory, during sample collection and back to the laboratory.

  • Trip blank samples were collected to monitor potential cross contamination between samples during storage and transport; and equipment rinsate blank samples were collected to assess whether sampling equipment was appropriately decontaminated.

  • Trip blank samples are collected to monitor potential cross contamination between samples during storage and transport, and equipment rinsate blank samples are collected to assess whether sampling equipment has been appropriately decontaminated.

  • Trip blank (VOCs): Trip blank is a sample of analyte-free water taken to the sampling site and returned to the laboratory.

  • Trip blank containers and media should be the same as site samples.

  • Trip blank filters, loaded into sample modules, will be shipped from the laboratory.

  • The rate of spike and spike duplicates is one per 10 samples.Parameters required are:• Trip blank (only for volatile organic analyses to include VOCs, PVOCs, low-level EDB, and GRO)• Equipment blank, reusable equipment only (VOCs, PVOCs, GRO/DRO)• Duplicates (all project parameters)See the table in Section 9 for further information.

  • Trip blank samples were collected to monitor potential cross contamination between samples during storage and transport, and equipment rinsate blank samples were collected to assess whether sampling equipment has been appropriately decontaminated.

  • Trip blank results are used to verify that the sample containers were adequately prepared/handled in the laboratory, and that the groundwater samples were protected from contamination during transport.


More Definitions of Trip blank

Trip blank means a sample known not to contain the target analyte that is carried to the sampling site and transported to the laboratory for analysis without having been exposed to sampling procedures.]
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