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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•W W W,IanCaSterlabS.Com <br /> Page 2 of 3 <br /> ' QualityControl <br /> Summary <br /> ' Client Name: Chevron Environmental Mgt. Co. Group Number: 1128527 <br /> Reported: 01/29/09 at 10:03 AM <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 /> Analysis Name MS MSD MS/MSD RPD BKG DUP DUP Dup RPD <br /> $REC $REC Limits RPD MAX Conc Conc RPD Max <br /> Benzo(b)fluoranthene 109 110 70-130 0 30 <br /> Benzo(k)fluoranthene 113 108 70-130 6 30 <br /> Benzo(a)pyrene 101 97 70-130 4 30 <br /> Indeno(1,2,3-cd)pyrene 99 95 70-130 4 30 <br /> Dibenz(a,h)anthracene 103 97 70-130 6 30 <br /> Benzo(g,h,i)perylene 88 84 70-130 5 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 water C10-C25 <br /> Batch number: 090190010A <br /> Orthoterphenyl <br /> 5579112 76 <br /> 5579113 81 <br /> 5579114 74 <br /> 5579115 87 <br /> 5579116 90 <br /> 5579117 67 <br /> 5579118 73 <br /> ' 5579119 82 <br /> 5579120 86 <br /> 5579121 83 <br /> Blank 88 <br /> LCS 96 <br /> ' MS 82 <br /> MSD 86 <br /> Limits: 45-114 <br /> Analysis Name: PARS in Water by LVI GC/MS <br /> Batch number: 09020WACO26 <br /> Nitrobenzene-d5 2-Fluorobiphenyl Terphenyl-d14 <br /> 5579112 93 111 95 <br /> 5579113 108 129 120 <br /> 5579114 100 124 111 <br /> 5579115 100 118 118 <br /> 5579116 105 127 126 <br /> 5579117 94 106 102 <br /> 5579118 102 129 119 <br /> 5579119 103 127 103 <br /> 5579120 100 124 94 <br /> 5579121 98 113 103 <br /> Blank 97 120 116 <br /> LCS 79 96 87 <br /> MS 103 127 103 <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 />