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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 1 of 2 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgt. Co. Group Number: 1037359 <br /> Reported: 05/22/07 at 01:03 PM <br /> Matrix QC may not be reported if site-specific QC samples were not <br /> submitted. In these situations, to demonstrate precision and accuracy at <br /> a batch level, a LCS/LCSD was performed, unless otherwise specified in the <br /> method. <br /> Laboratory Compliance Quality Control <br /> Blank Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result MDL** LOO Units %REC %REC Limits RPD RPD Max <br /> Batch number: 071300022A Sample number(s) : 5049622-5049623 <br /> TPH-DRO (C10-C25) Water N.D. 29. 100. ug/l 88 83 57-118 6 20 <br /> Batch number: 07130WAD026 Sample number(s) : 5049622-5049623 <br /> Naphthalene N.D. 0.01 0.05 ug/l 70 94 68-120 29 30 <br /> Acenaphthylene N.D. 0.01 0.05 ug/l 68* 92 69-121 31* 30 <br /> Acenaphthene N.D. 0.01 0.05 ug/l 72 97 71-122 29 30 <br /> Fluorene N.D. 0.01 0.05 ug/l 71 96 71-124 30 30 <br /> Phenanthrene N.D. 0.01 0.05 ug/l 75 100 70-125 29 30 <br /> Anthracene N.D. 0.01 0.05 ug/l 61* 84 64-126 32* 30 <br /> Fluoranthene N.D. 0.01 0.05 ug/l 74 98 69-131 28 30 <br /> Pyrene N.D. 0.01 0.05 ug/l 79 100 69-130 24 30 <br /> Benzo(a)anthracene N.D. 0.01 0.05 ug/l 76 97 68-129 25 30 <br /> Chrysene N.D. 0.01 0.05 ug/l 74 95 69-128 25 30 <br /> Benzo(b)fluoranthene N.D. 0.01 0.05 ug/l 96 134 56-138 33* 30 <br /> Benzo(k)fluoranthene N.D. 0.01 0.05 ug/l 75 105 66-137 33* 30 <br /> Benzo(a)pyrene N.D. 0.01 0.05 ug/l 68 94 63-131 31* 30 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.01 0.05 ug/l 69* 91 71-140 28 30 <br /> Dibenz(a,h)anthracene N.D. 0.01 0.05 ug/l 49* 65 55-142 28 30 <br /> Benzo(g,h,i)perylene N.D. 0.01 0.05 ug/l 71 94 68-136 27 30 <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 (C10-C25) Water <br /> Batch number: 071300022A <br /> orthoterphenyl <br /> 5049622 89 <br /> 5049623 92 <br /> Blank 91 <br /> LCS 112 <br /> LCSD 105 <br /> Limits: 59-131 <br /> Analysis Name: Selected SVOAs by 8270 SIM <br /> Batch number: 07130WAD026 <br /> Nitrobenzene-d5 2-Fluorobiphenyl Terphenyl-d14 <br /> 5049622 107 99 116 <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 background result was more than four times the spike added. <br />