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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 5 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgt. Co. Group Number: 1120845 <br /> Reported: 12/09/08 at 11:16 AM <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 /> Fluoranthene N.D. 0.00067 0.0017 mg/kg 88 78-114 <br /> Pyrene N.D. 0.00067 0.0017 mg/kg 88 69-116 <br /> Benzo(a)anthracene N.D. 0.00067 0.0017 mg/kg 86 74-112 <br /> Chrysene N.D. 0.00033 0.0017 mg/kg 91 79-111 <br /> Benzo(b)fluoranthene N.D. 0.00067 0.0017 mg/kg 106 70-125 <br /> Benzo(k)fluoranthene N.D. 0.00067 0.0017 mg/kg 96 72-124 <br /> Benzo(a)pyrene N.D. 0.00067 0.0017 mg/kg 82 70-109 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.00067 0.0017 mg/kg 100 64-127 <br /> Dibenz(a,h)anthracene N.D. 0.00067 0.0017 mg/kg 104 63-138 <br /> Benzo(g,h,i)perylene N.D. 0.00067 0.0017 mg/kg 100 58-131 <br /> Batch number: A083281AA Sample number(s) : 5533797-5533805 <br /> Benzene N.D. 0.0005 0.005 mg/kg 105 104 84-115 2 30 <br /> Toluene N.D. 0.001 0.005 mg/kg 99 97 81-116 2 30 <br /> Ethylbenzene N.D. 0.001 0.005 mg/kg 97 95 82-115 2 30 <br /> Xylene (Total) N.D. 0.001 0.005 mg/kg 98 96 82-117 2 30 <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 /> Batch number: 08329SLGO26 Sample number(s) : 5533798-5533799,5533802-5533805 UNSPK: 5533798 <br /> Naphthalene 85 84 27-145 2 30 <br /> Acenaphthylene 92 85 42-141 8 30 <br /> Acenaphthene 91 89 37-145 2 30 <br /> Fluorene 97 95 51-142 1 30 <br /> Phenanthrene 98 98 42-144 0 30 <br /> Anthracene 91 74 34-161 20 30 <br /> Fluoranthene 96 96 26-166 0 30 <br /> Pyrene 92 89 37-154 3 30 <br /> Benzo(a)anthracene 93 87 25-166 6 30 <br /> Chrysene 97 96 14-174 1 30 <br /> Benzo(b)fluoranthene 103 108 17-182 5 30 <br /> Benzo(k)fluoranthene 101 109 40-156 7 30 <br /> Benzo(a)pyrene 89 74 34-156 19 30 <br /> Indeno(1,2,3-cd)pyrene 104 111 8-164 7 30 <br /> Dibenz(a,h)anthracene 106 114 16-159 7 30 <br /> Benzo(g,h,i)perylene 101 107 33-141 6 30 <br /> Batch number: 08331SLA026 Sample number(s) : 5533797,5533801 UNSPK: P533405 <br /> Naphthalene -228 121 (2) 27-145 23 30 <br /> (2) <br /> Acenaphthylene -432 105 (2) 42-141 36* 30 <br /> (2) <br /> Acenaphthene -2249 -2042 37-145 50* 30 <br /> (2) (2) <br /> Fluorene -3826 -3399 51-142 57* 30 <br /> (2) (2) <br /> Phenanthrene -40529 -36492 42-144 54* 30 <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 />