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WP,8~1
<br />September 30, 1996
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<br />CORE LABORATORIES
<br />SAMPLE DELIVERY GROUP NARRATIVE
<br />Customer: Greystone
<br />Project: 484-03
<br />Core Laboratories Project Number: 962453
<br />Method 624 GC/MS Volatiles Ana~ys~:
<br />Sample 1 in this project was not adequately preserved. The pH of the sample was 7.
<br />This sample was analyzed 6 days past the 7 day non-preserved holding time.
<br />Method 608 Pesticide/PCB Analytic:
<br />All samples in this project were spiked with surrogate at 10 times the normal amount. The
<br />samples were analyzed and reported at a iX dilution, and then analyzed at a lOX dilution to
<br />bring the smTOgates within the instruments calibration range. All surrogate recoveries were
<br />within acceptance limits.
<br />Linda L. Benkers
<br />QA/QC Coordinator
<br />Michael L. Armstrorfg
<br />Laboratory Supervisor
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