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Appendix E.1:Data Usability Summary
<br /> Sample SB-5-S-13-080318 had TPH standard orthoterphenyl and BTEX 4-bromofluorobenzene above
<br /> the QC criteria and was flagged E for detected analytical results. Samples SB-9-S-26-031908, SB-10-S-
<br /> 18-080320, SB-15-S-19-080324, SB-18B-S-20.5-080326, SB-21-S-5-080327, SB-21-S-6-080327,
<br /> SB-21-S-7.5-080327, and SB-22-S-4.5-080327 had TPH standard orthoterphenyl above the QC criteria
<br /> and was flagged E for analytical results. In addition, SB-10-S-18-080320, SB-16-S-23-080325, S13-21-S-
<br /> 5-080327, SB-21-S-7.5-080327, and SB-22-S-4.5-080327 had PAH surrogate terphenyl-d14 and or
<br /> 2-fluorobiphenyl above QC criteria; all positive results will be flagged J. Samples SB-2-W-080317MS
<br /> and SB-2-W-080317MSD had orthoterphenyl slightly above the QC criteria;however,no flags were
<br /> applied because the original sample was within range. Samples QA-Screen-R-080317, SB-2-W-0803317,
<br /> and QA-0-083118 had terphenyl-dl4 above the QC criteria,but the samples were already flagged E due
<br /> other QC issues so no additional flags were necessary. The LCS/LCSD pair analyzed with batch 1082852
<br /> had orthoterphenyl above the QC criteria range but all samples surrogates were within range and no flags
<br /> were applied. All other surrogates recoveries were within range.
<br /> Internal Standards
<br /> Calibration and internal standard performance were not verified for every result included in this review;
<br /> however,the laboratory noted that the internal standard area counts were outside of the QC limits for the
<br /> initial for the analysis of PAHs by SW8270C-SIM in samples QA-Tubing-R-080317, SB-1-W-080317,
<br /> QA-Screen-R-080317, SB-2-W-080317, SB-2-W-080317MS, SB-2-W-080317MSD, SB-3-W-080317,
<br /> QA-o-080318, SB-4-W-080317, QA-Tubing-R-080319, and QA-Tubing-R-080324. The samples were
<br /> re-analyzed and the internal standards were again outside the criteria,indicating matrix interference.
<br /> PAH results in the sample were qualified E.
<br /> Representativeness
<br /> Representativeness was assessed through the evaluation of method blank samples; trip, field, and rinsate
<br /> blank samples; chain-of-custody forms;preservation; and holding times. The reported results were also
<br /> compared to the laboratory's MDLs and LOQs.
<br /> Method Blank Results
<br /> Laboratory method blanks were evaluated for any detections above the laboratory MDL. Data were not
<br /> qualified if a target compound was detected in the method blank and not detected in a sample result.
<br /> Phenanthrene was detected in the method blank at a concentration of 0.0036 micrograms per liter(µg/L);
<br /> samples S13-8-W-080319 and SB-8-WD-080319 had concentrations less than 10 times found in the blank
<br /> and were flagged E. The method blank associated samples QA-Screen-R-080327, SB-23W-080328, and
<br /> S13-28-W-080401 had detections of TPHd at concentrations similar to that found in the samples and the
<br /> results were flagged E.
<br /> Field QC Results
<br /> Eight rinsate blanks (QA-Screen-R-080317, QA-Tubing-R-080317, QA-Tubing-R-080319,QA-Screen-
<br /> R-080320, QA-Tubing-R-08321, QA-Tubing-R-08324, QA-Tubing-R-08325,and QA-Screen-R-08326),
<br /> seven trip blanks (QA-T-080317, QA-T-080318, QA-T-080319, QA-T-080321, QA-T-080324, QA-T-
<br /> 080325, and QA-T-080326), and one field blank(QA-0-080318)were submitted with the field
<br /> groundwater samples. The rinsate samples,trip blank and field blank samples were free of contamination
<br /> with the following exception: rinsate blank QA-Screen-R-080320 had detections of naphthalene and
<br /> dibenz(a,h)anthracene,but associated samples had no detections of either analyte and therefore no flags
<br /> were applied. Rinsate blank QA-Screen-R-080326 had detections of TPH,naphthalene, fluorene, and
<br /> Phenanthrene;however,no detections of these analytes were found in associated samples so no flags were
<br /> applied. Rinsate blanks QA-Screen-R-080327 and QA-Tubing-R-080328 associated with sample SB-23-
<br /> W-080328 and SB-24-W-080328 had detections of TPH,naphthalene, and phenanthrene and were
<br /> flagged E. Rinsate blank QA-Screen-R-080331 associated with samples S13-26-W-080331 and S13-28-
<br /> W-080401 had a detection of naphthalene at a level found in the samples and was flagged E.
<br /> E.1-4
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<br /> From Science to Solatiens
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