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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.lancasterlabs.com <br /> Page 2 of 5 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgmt Co Group Number: 1203973 <br /> Reported: 09/14/10 at 02:00 PM <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result Program Units %RBC %REC Limits RPD RPD Max <br /> RL <br /> Batch number: 10203110101A Sample number(s) : 6037220 <br /> Total Phosphorus as PO4 water N.D. 250. ug/l 101 90-110 <br /> Batch number: 10210108101A Sample number(s) : 6037220 <br /> Kjeldahl Nitrogen N.D. 500. ug/1 110 90-110 <br /> Batch number: 10203022101A Sample number(s) : 6037220 <br /> Ammonia Nitrogen N.D. 200. ug/l 94 95 85-105 1 5 <br /> Batch number: 10204020201B Sample number(s) - 6037220 <br /> Alkalinity to pH 4.5 N.D. 460. ug/l as 100 98-103 <br /> CaCO3 <br /> Batch number: 10204021201B Sample number(s) : 6037220 <br /> Total Dissolved Solids N.D. 9,700. ug/1 102 80-120 <br /> Batch number: 10204028001A Sample number(s) : 6037220 <br /> Specific Conductance N.D. 1.7 umhos/c 100 98-106 <br /> m <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 96REC 96RECLimits RPD MAX Conc Conc RPD Max <br /> Batch number: C102041AA Sample number(s) : 6037216-6037222 UNSPK: 6037220 <br /> Benzene 106 106 87-126 0 30 <br /> Ethylbenzene 107 107 80-140 0 30 <br /> Toluene 104 104 83-127 0 30 <br /> Xylene (Total) 104 105 84-125 0 30 <br /> Batch number: 10204WAE026 Sample number(s) : 6037217-6037222 UNSPK: 6037220 <br /> Acenaphthene 79 82 64-110 4 30 <br /> Acenaphthylene 92 92 69-111 1 30 <br /> Anthracene 73 71 10-151 3 30 <br /> Benzo(a)anthracene 79 81 33-132 2 30 <br /> Benzo(a)pyrene 25 25 10-133 2 30 <br /> Benzo(b)fluoranthene 68 71 14-156 4 30 <br /> Benzo(g,h,i)perylene 39 41 10-127 4 30 <br /> Benzo(k)fluoranthene 66 72 30-127 9 30 <br /> Chrysene 88 90 41-135 2 30 <br /> Dibenz(a,h)anthracene 69 72 10-144 5 30 <br /> Fluoranthene 96 102 63-121 6 30 <br /> Fluorene 88 87 50-122 2 30 <br /> Indeno(1,2,3-cd)pyrene 58 60 10-139 3 30 <br /> 1-Methylnaphthalene 106 112 70-130 5 30 <br /> 2-Methylnaphthalene 87 96 70-130 9 30 <br /> Naphthalene 104* 108* 70-86 4 30 <br /> Phenanthrene 92 98 70-114 6 30 <br /> Pyrene 79 78 45-114 1 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 />