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Validation
procedures for raw data obtained include:
-
correction
of unit converted during data processing;
-
when
concentrations detected for field samples
and collocated samples were below detection
limits, half of the detection limit was substituted;
-
when
concentrations detected for field blanks were
below the detection limited (not detected)
was noted in the validated data; and
-
invalidated
data when contamination of samples occurred
or system errors were detected
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