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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.larcasterIabs.com <br /> Page 2 of 3 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgt. Co. Group Number: 1135073 <br /> Reported: 03/17/09 at 10:32 AM <br /> Surrogate Quality Control <br /> Surrogate recoveries which are outside of the QC window are confirmed <br /> unless attributed to dilution or otherwise noted on the Analysis Report. <br /> Analysis Name: Custom TPH with Ranges (soil) <br /> Batch number: 090680019A <br /> Chlorobenzene Orthoterphenyl <br /> 5616378 94 93 <br /> 5616379 90 90 <br /> 5616380 80 82 <br /> 5616381 93 95 <br /> 5616382 95 95 <br /> 5616383 92 92 <br /> 5616384 86 88 <br /> 5616385 93 93 <br /> Blank 95 90 <br /> LCS 112 105 <br /> LCSD 110 104 <br /> Limits: 37-125 59-129 <br /> Analysis Name: PAHs in soils by SIM <br /> Batch number: 09068SLB026 <br /> Nitrobenzene-d5 2-Fluorobiphenyl Terphenyl-d14 <br /> 5616378 100 98 98 <br /> 5616379 98 97 100 <br /> 5616380 97 97 106 <br /> 5616381 104 101 103 <br /> 5616382 106 101 103 <br /> 5616383 175* 107 104 <br /> 5616384 107 103 103 <br /> 5616385 101 98 98 <br /> Blank 102 100 98 <br /> LCS 107 104 105 <br /> LCSD 104 102 101 <br /> Limits: 53-152 63-129 51-141 <br /> Analysis Name: BTEX+MTBE by 8260B <br /> Batch number: A090701AA <br /> Dibromofluoromethane 1,2-Dichloroethane-d4 Toluene-d8 4-Bromofluorobenzene <br /> 5616378 89 82 88 81 <br /> 5616379 89 81 88 81 <br /> 5616380 91 80 89 80 <br /> 5616381 92 81 88 81 <br /> 5616382 93 81 88 83 <br /> 5616383 91 81 87 87 <br /> 5616384 92 85 87 83 <br /> 5616385 90 78 88 81 <br /> Blank 88 86 86 81 <br /> LCS 88 85 88 84 <br /> LCSD 88 84 87 84 <br /> MS 91 83 87 86 <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 />