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<br /> Lp%ncaster
<br /> Laboratonle..'s
<br /> Page 2 of 4
<br /> Quality Control Summary
<br /> Client Name: Chevron Environmental Mgt. Co. Group Number: 877713
<br /> Reported: 01/02/04 at 03:11 PM
<br /> Sample Matrix Quality Control
<br /> MS MSD MS/MSD RPD BKG DUP DUP Dup
<br /> RPD
<br /> Analysis Name oREC %REC Limits RPD MAX Conc Conc RPD Max
<br /> Phenanthrene 99 98 56-123 1 30
<br /> Anthracene 102 98 55-129 5 30
<br /> Fluoranthene 97 92 16-175 6 30
<br /> Pyrene 108 119 4-190 9 30
<br /> Benzo(a)anthracene 99 100 50-140 2 30
<br /> Chrysene 110 112 36-144 2 30
<br /> Benzo(b)fluoranthene 73 72 17-166 2 30
<br /> Benzo(k)fluoranthene 74 73 4-177 2 30
<br /> Benzo(a)pyrene 77 77 14-168 1 30
<br /> Indeno(1,2,3-cd)pyrene 91 78 17-161 15 30
<br /> Dibenz(a,h)anthracene 85 74 49-130 14 30
<br /> Benzo(g,h,i.)perylene 86 68 9-168 22 30
<br /> Batch number: 03345B31B Sample number(s) : 4180141-4180145
<br /> Benzene 86 88 67-102 2 30
<br /> Toluene 87 90 72-104 3 30
<br /> Ethylbenzene 86 88 73-105 2 30
<br /> Total Xylenes 87 89 75-105 2 30
<br /> Batch number: 03346A34A Sample number(s) : 4180146-4180149
<br /> Benzene 86 85 67-102 1 30
<br /> Toluene 86 85 72-104 1 30
<br /> Ethylbenzene 86 85 73-105 1 30
<br /> Total Xylenes 86 85 75-105 1 30
<br /> Surrogate Quality Control
<br /> Analysis Name: Custom TPH with Ranges (soil)
<br /> Batch number: 033440007A
<br /> Chlorobenzene Orthoterphenyl
<br /> 4180141 68 73
<br /> 4180142 79 80
<br /> 4180143 84 85
<br /> 4180144 83 90
<br /> 4180145 71 80
<br /> 4180146 73 78
<br /> 4180147 0* 0*
<br /> 4180148 60 104
<br /> 4180149 97 92
<br /> Blank 81 84
<br /> LCS 80 76
<br /> LCSD 81 97
<br /> *-Outside of specification
<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.
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