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eurofins <br /> Lancaster <br /> Laboratories Analysis Report <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605-2425•717-656-2300 Fax:717-656-2681•www.lancasterlabs.com <br /> Page 4 of 5 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgmt Co Group Number: 1293926 <br /> Reported: 04/05/12 at 04 :09 PM <br /> Surrogate Quality Control <br /> 6571127 100 78 81 <br /> 6571128 276* 89 72 <br /> 6571129 105 79 86 <br /> 6571130 105 76 83 <br /> 6571131 376* 93 63 <br /> Blank 100 83 86 <br /> LCS 106 82 85 <br /> MS 91 72 82 <br /> MSD 98 76 80 <br /> Limits: 53-152 38-142 46-149 <br /> Analysis Name: PAHs in Water by LVI GC/MS <br /> Batch number: 12069WAD026 <br /> Nitrobenzene-d5 2-Fluorobiphenyl Terphenyl-d14 <br /> 6571125 96 92 98 <br /> Blank 101 99 105 <br /> LCS 98 92 93 <br /> LCSD 94 92 96 <br /> Limits: 52-149 55-151 45-127 <br /> Analysis Name: TPH-DRO water C10-C25 <br /> Batch number: 120690007A <br /> Orthoterphenyl <br /> 6571125 93 <br /> Blank 118* <br /> LCS 97 <br /> LCSD 108 <br /> Limits: 45-114 <br /> Analysis Name: Custom TPH with Ranges (soil) <br /> Batch number: 120690018A <br /> Chlorobenzene Orthoterphenyl <br /> 6571127 75 71 <br /> 6571128 91 84 <br /> 6571129 76 69 <br /> 6571130 94 88 <br /> 6571131 141* 129 <br /> Blank 80 78 <br /> LCS 79 81 <br /> MS 83 82 <br /> MSD 72 73 <br /> Limits: 49-125 59-129 <br /> Analysis Name: TPH-DRO water C10-C25 w/Si Gel <br /> Batch number: 120790006A <br /> Orthoterphenyl <br /> 6571125 77 <br /> Blank 58 <br /> *-Outside of specification <br /> **-This limit was used in the evaluation of the final result for the blank <br /> (1)The result for one or both determinations was less than five times the LOQ. <br /> (2)The unspiked result was more than four times the spike added. <br />