Labeling
Serially-numbered sample labels or tags should be assigned to sampling team personnel and recorded in the field logbook.
Lost, voided, or damaged labels should be noted in the logbook. Labels should be firmly affixed to the sample containers using either gummed labels or tags attached by string or wire. Information should be recorded on the tag in waterproof ink and should include items such as:
- the unique sample log number
- date and time that the sample was collected
- source of the sample, e.g., name, location, and type of sample
- preservative used
- analysis required
- name of collector
- pertinent field data
In addition to supporting litigation, written records of sample collection, transfer, storage, analysis, and destruction help ensure the proper interpretation of analytical test results. Information describing the chain of custody should be recorded on a form that accompanies the sample from collection to destruction.
Knowledge Check Choose the best answer for the question.
8-10. What information should be recorded on a sample tag/label?
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