HYDRO24556

• Permit No: M1980233
• IBM Index Class Name: Hydrology
• Doc Date: 9/30/1997
• Doc Name: ANALYTICAL REPORT
• Media Type: D
• Archive: No

WAGWBi
CORE LABORATORIES
SAMPLE DELIVERY GROUP NARRATIVE
September 30, 1997
Customer: Greystone
Project: COSTII,LA
Core Laboratories Project Number: 972391
The initial calibration analyzed on 9110/97 did not meet 608 criteria for Arochlor 1221.
Arochlor 1221 did meet criteria for method 8080 in this ICAL. All other PCB's in the
ICAL did meet 608 criteria. There were no detections for Arochlor 1221 in the associated
samples.
The initial calibration analyzed on 9/l3(97 did not meet 608 criteria for toxaphene.
Toxaphene did meet criteria for method 8080 in this ICAL. There were no detections for
toxaphene in the associated samples.
Method 624 GC/MS Volatiles Analysis:
Samples 972391-2 & 3 had the internal standard 1,4-dichlorobenzene-d4 below
acceptance criteria. These samples were reanalyzed and had reproducible internal
standard values. Samples 972453-1,2 & 3 had the surrogate bromofluorobenzene below
acceptance criteria. These three samples were reanalyzed and had this surrogate within
acceptance criteria in the second analysis. The original analysis for samples 972453-1,2 &
3 were reported as the reference standard analyzed with the reanalysis of these samples
had tetrachloroethene below acceptance criteria.
1
athy Klausmei" er
Laboratory Supervisor

Linda L. Benkers
QA/QC Coordinator
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