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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: 1132170 <br /> Reported: 02/26/09 at 02:46 PM <br /> Sample Matrix Quality Control <br /> Unspiked (UNSPK) = the sample used in conjunction with the matrix spike <br /> Background (BKG) = the sample used in conjunction with the duplicate <br /> MS MSD MS/MSD RPD BKG DUP DUP Dup RPD <br /> Analysis Name %REC %REC Limits RPD MAX Conc Conc RPD Max <br /> Pyrene 83 11* 45-114 18 30 <br /> Benzo(a)anthracene 156* 144* 33-132 8 30 <br /> Chrysene 86 36* 41-135 20 30 <br /> Benzo(b)fluoranthene 100 100 14-156 0 30 <br /> Benzo(k)fluoranthene 88 78 30-127 12 30 <br /> Benzo(a)pyrene 92 98 10-133 6 30 <br /> Indeno(1,2,3-cd)pyrene 0* 0* 10-139 0 30 <br /> Dibenz(a,h)anthracene 60 60 10-144 0 30 <br /> Benzo(g,h,i)perylene 0* 0* 10-127 0 30 <br /> Batch number: 090540035A Sample number(s) : 5599734-5599737 UNSPK: 5599734 <br /> TPH-DRO water C10-C25 w/Si Gel -69* -80* 59-128 9 20 <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: TPH-DRO water C10-C25 <br /> Batch number: 090450005A <br /> Orthoterphenyl <br /> 5599733 79 <br /> 5599734 65 <br /> 5599735 79 <br /> 5599736 74 <br /> 5599737 50 <br /> Blank 84 <br /> LCS 91 <br /> LCSD 99 <br /> MS 79 <br /> MSD 74 <br /> Limits: 45-114 <br /> Analysis Name: PAHs in Water by LVI GC/MS <br /> Batch number: 09045WAGO26 <br /> Nitrobenzene-d5 2-Fluorobiphenyl Terphenyl-d14 <br /> 5599733 135 115 116 <br /> 5599734 173* 160* 75 <br /> 5599735 225* 166* 79 <br /> 5599736 211* 160* 88 <br /> 5599737 240* 131 81 <br /> Blank 130 112 116 <br /> LCS 139 112 109 <br /> MS 225* 166* 79 <br /> MSD 211* 160* 88 <br /> Limits: 42-153 62-134 61-150 <br /> *-Outside of specification <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 />