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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.lancasterIabs.com <br /> Page 2 of 4 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgmt Co Group Number: 1171329 <br /> Reported: 12/03/09 at 11:06 AM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result Program Units %REC %REC Limits RPD RPD Max <br /> RL <br /> Batch number: 09324108101A Sample number(s) : 5839241 <br /> Kjeldahl Nitrogen N.D. 500. ug/1 95 90-110 <br /> Batch number: 09324110101A Sample number(s) : 5839241 <br /> Total Phosphorus as PO4 water N.D. 250. ug/1 104 89-110 <br /> Batch number: 09322028001A Sample number(s) : 5839241 <br /> Specific Conductance N.D. 1.7 umhos/c 102 98-106 <br /> m <br /> Batch number: 09323021201A Sample number(s) : 5839241 <br /> Total Dissolved Solids N.D. 9700. ug/l 104 80-120 <br /> Batch number: 09324020201A Sample number(s) : 5839241 <br /> Alkalinity to pH 4.5 N.D. 460. ug/l as 100 98-103 <br /> CaCO3 <br /> Batch number: 09324022101A Sample number(s) : 5839241 <br /> Ammonia Nitrogen N.D. 200. ug/1 87 85-105 <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: C093271AA Sample number(s) 5839239-5839241 UNSPK: 5839239 <br /> Benzene 101 87-126 <br /> Ethylbenzene 104 80-140 <br /> Toluene 105 83-127 <br /> Xylene (Total) 104 84-125 <br /> Batch number: 09322WAF026 Sample number(s) 5839239,5839241 UNSPK: P839549 <br /> Acenaphthene 131* 124* 64-110 6 30 <br /> Acenaphthylene 127* 122* 69-111 5 30 <br /> Anthracene 124 121 10-151 2 30 <br /> Benzo(a)anthracene 114 106 33-132 8 30 <br /> Benzo(a)pyrene 130 122 10-133 6 30 <br /> Benzo(b)fluoranthene 154 146 14-156 6 30 <br /> Benzo(g,h,i)perylene 81 75 10-127 8 30 <br /> Benzo(k)fluoranthene 123 115 30-127 7 30 <br /> Chrysene 108 102 41-135 6 30 <br /> Dibenz(a,h)anthracene 77 72 10-144 8 30 <br /> Fluoranthene 147* 141* 63-121 4 30 <br /> Fluorene 120 113 50-122 6 30 <br /> Indeno(1,2,3-cd)pyrene 91 85 10-139 8 30 <br /> 1-Methylnaphthalene 117 113 70-130 4 30 <br /> 2-Methylnaphthalene 108 104 70-130 4 30 <br /> Naphthalene 113* 106* 70-86 6 30 <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 />