*How long should COC records be maintained*
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For a minimum of 3 years, as required by 40 CFR 403.12(o).
*What should an inspector verify regarding COC during a records review*
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That complete COC forms exist from the sampler through the facility's
contract laboratory.
*How soon after the inspection should the report be written*
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The report should be written shortly after the inspection while observations
and findings are still fresh in the inspector's mind.
*Consequence of breaking chain-of-custody procedures*
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The sample evidence may be inadmissible in enforcement proceedings or
legal actions.
*What is a chain-of-custody (COC)*
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A legal record of each person who had possession of an environmental
sample, from collection to analysis to disposal.
What is a field blank
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A field blank is an aliquot of analyte-free water or solvent brought to the
field and exposed to the same handling and transport conditions as the
samples. It is used to check for contamination that might occur during
sampling and transport.
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For a minimum of 3 years, as required by 40 CFR 403.12(o).
*What should an inspector verify regarding COC during a records review*
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That complete COC forms exist from the sampler through the facility's
contract laboratory.
*How soon after the inspection should the report be written*
, Give this one a try later!
The report should be written shortly after the inspection while observations
and findings are still fresh in the inspector's mind.
*Consequence of breaking chain-of-custody procedures*
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The sample evidence may be inadmissible in enforcement proceedings or
legal actions.
*What is a chain-of-custody (COC)*
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A legal record of each person who had possession of an environmental
sample, from collection to analysis to disposal.
What is a field blank
Give this one a try later!
A field blank is an aliquot of analyte-free water or solvent brought to the
field and exposed to the same handling and transport conditions as the
samples. It is used to check for contamination that might occur during
sampling and transport.
