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Lancaster <br /> Laboratories Analysis Report <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605.2425•717-656-2300 Fox:717.656-2681•W W W,lancasterlabs.com <br /> Pagel of 3 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgt. Co. Group Number: 879587 <br /> Reported: 01/07/04 at 06:05 PM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result MDL units 9REC %REC Limits RPD RPD Max <br /> Batch number: 033600004A Sample number(s) : 4191077 <br /> Total TPH N.D. 4.0 mg/kg 90 97 77-126 7 20 <br /> C10-C36 N.D. 4.0 mg/kg <br /> Batch number: 03363039401A Sample number(s) : 4191077 <br /> PH 100 99-101 <br /> Batch number: 033635708002 Sample number(s): 4191077 <br /> Cadmium N.D. 0.0540 mg/kg 94 88-106 <br /> Chromium N.D. 0.200 mg/kg 103 92-114 <br /> Lead N.D. 0.790 mg/kg 95 86-109 <br /> Nickel N.D. 0.200 mg/kg 96 89-107 <br /> Zinc 0.180 0.180 mg/kg 104 91-110 <br /> Batch number: 03364A34A Sample number(s) : 4191077 <br /> TPH-GRO - Soils N.D. 1.0 mg/kg 101 62-128 <br /> Benzene N.D. 0.005 mg/kg 107 86-113 <br /> Toluene N.D. 0.005 mg/kg 105 88-113 <br /> Ethylbenzene N.D. 0.005 mg/kg 104 89-112 <br /> Total Xylenes N.D. 0.02 mg/kg 104 90-112 <br /> Batch number: 03365SLCO26 Sample number(s) : 4191077 <br /> Naphthalene N.D. 1. ug/kg 98 56-130 <br /> Acenaphthylene N.D. 0.3 ug/kg 105 58-119 <br /> /// Acenaphthene N.D. 0.3 ug/kg 98 61-120 <br /> Fluorene N.D. 0.3 ug/kg 103 66-125 <br /> Phenanthrene N.D. 0.3 ug/kg 100 66-117 <br /> Anthracene N.D. 0.3 ug/kg 97 64-116 <br /> Fluoranthene N.D. 0.7 ug/kg 96 68-123 <br /> Pyrene N.D. 0.3 ug/kg 112 63-134 <br /> Benzo(a)anthracene N.D. 0.3 ug/kg 103 69-119 <br /> Chrysene N.D. 0.3 ug/kg 102 69-120 <br /> Benzo(b)fluoranthene N.D. 0.3 ug/kg 78 69-127 <br /> Benzo(k)fluoranthene N.D. 0.3 ug/kg 74 72-119 <br /> Benzo(a)pyrene N.D. 0.3 ug/kg 76 68-112 <br /> rndeno(1,2,3-cd)pyrene N.D. 0.3 ug/kg 82 66-130 <br /> Diben2(a,h)anthracene N.D. 0.3 ug/kg 74 62-131 <br /> Benzo(g,h,i)perylene N.D. 0.3 ug/kg 78 65-129 <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD BXG DOP DUP Dup <br /> RPD <br /> Analysis Name $REC %RSC Limits RPD MAX Conc Conc RPD Max <br /> Batch number: 03363039401A Sample number(s) : 4191077 <br /> PH 8.4. 8.4 0 1 <br /> Batch number: 033635708002 Sample number(s): 4191077 <br /> Cadmium 59• 64• 75-125 9 20 N.D. N.D. 0 (1) 20 <br /> Chromium (2) (2) 75-125 20 20 275. 311. 12 20 <br /> Lead 114 105 75-125 7 20 16.7 23.6 34- 20 <br /> Nickel 112 104 75-125 6 20 13.2 17.3 27• 20 <br /> Zinc 268* 121 75-125 51+ 20 47.3 70.8 40• 20 <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. <br /> f <br />