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<br />CORE LABORATORIES
<br />~~ ~ ~ OU A.L ITY ASSURANC E~ METN005 ~ ~.
<br />~~~ ~~ ~~ ~ ~ ~ ~ ~R~E .FERENCE S~ AND NOT E'S
<br />~~ Report Dete: 07%27/98
<br />COMMENTS
<br />a) ND = Not detected. NC = Mot calculable due to value(s) lower
<br />than the detection limit.
<br />b) Date in the DA report may differ from final results due to
<br />digestion and/or dilution of samples into analytical ranges.
<br />Quality control results are reported "as analyzed" within
<br />the instruments established calibration range.
<br />c) The "Time Analyzed" in the OA report refers to the start time of
<br />the analytical batch which may not reflect the actual time of
<br />each analysis. The "Date Analyzed" is the actual date of analysis.
<br />d) Results for soil and sludge samples are reported on a wet weight
<br />basis (i.e. not corrected for percent moisture) unless otherwise
<br />indicated.
<br />BLANK DC SAMPLE IDENTIFICATION
<br />MB Method Blank
<br />EB Extraction Blank
<br />ICB Initial Calibration Blank
<br />CCB Continuing Calibration Blank
<br />SPIKE DC SAMPLE IDENTIFICATION
<br />MS Method (Matrix) Spike
<br />MSD Method (Matrix) Spike Duplicate
<br />PDS Post-Diges[i on Spike
<br />PSD Post-Digesti on Spike Duplicate
<br />58 Spike Blank
<br />SBD Spike Blank Duplicate
<br />REFERENCE STANDARD CC SAMPLE IDENTIFICATION
<br />LCS Laboratory Control Standard
<br />RS Reference Standard
<br />ICV Initial Calibration Verification Standard
<br />CCV Continuing Calibration Verification Standard
<br />ISA/ISB ICP Interference Check Semple
<br />ILL Initial Calibration/Laboratory Control Sample
<br />DSC Distilled Standard Check
<br />CRI CRDL Low-Level ICP Standard
<br />DUPLICATE OC SAMPLE IDENTIFICATION
<br />MD Method (Matrix) Duplicate
<br />ED Extraction Duplicate
<br />SD Serial Dilution
<br />Analyses performed by a subcontract laboratory are indicated on the
<br />analytical and/or quality control reports under "Technician" using
<br />the following codes:
<br />SUBCONTRACT LABORATORY CODE
<br />Core Laboratories - Anaheim, CA • AN
<br />Core Laboratories - Casper, WY • CA
<br />Core Laboratories - Corpus Christi, T% • CC
<br />Core Laboratories - Edison, NJ • ED
<br />Page 2
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