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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.larcasterIabs.com <br /> Page 1 of 5 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgt. Co. Group Number: 1079254 <br /> Reported: 04/02/08 at 12:49 PM <br /> Matrix QC may not be reported if site-specific QC samples were not <br /> submitted. In these situations, to demonstrate precision and accuracy at <br /> a batch level, a LCS/LCSD was performed, unless otherwise specified in the <br /> method. <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result Procrram Units %REC %REC Limits RPD RPD Max <br /> RL <br /> Batch number: 08059021201A Sample number(s) : 5289724 <br /> Total Dissolved Solids N.D. 9700. ug/l 94 80-120 <br /> Batchnumber: 08059196101A Sample number(s) : 5289724 <br /> Chloride N.D. 200. ug/l 100 90-110 <br /> Sulfate N.D. 300. ug/l 101 89-110 <br /> Nitrate Nitrogen N.D. 50. ug/l 105 90-110 <br /> Nitrite Nitrogen N.D. 80. ug/l 104 90-110 <br /> Batch number: 080610008A Sample number(s) : 5289722,5289724-5289726 <br /> TPH-DRO (C10-C25) Water N.D. 50. ug/l 94 57-118 <br /> Batch number: 08061WAA026 Sample number(s) : 5289722-5289726 <br /> Naphthalene N.D. 0.05 ug/l 74 68-100 <br /> Acenaphthylene N.D. 0.01 ug/l 93 69-126 <br /> Acenaphthene N.D. 0.01 ug/l 89 68-116 <br /> Fluorene N.D. 0.01 ug/l 95 62-136 <br /> Phenanthrene 0.011 0.01 ug/l 96 71-124 <br /> Anthracene N.D. 0.01 ug/l 89 68-122 <br /> Fluoranthene N.D. 0.01 ug/l 100 67-133 <br /> Pyrene N.D. 0.01 ug/l 94 68-128 <br /> Benzo(a)anthracene N.D. 0.01 ug/l 96 80-119 <br /> Chrysene N.D. 0.01 ug/l 97 80-124 <br /> Benzo(b)fluoranthene N.D. 0.01 ug/l 99 75-123 <br /> Benzo(k)fluoranthene N.D. 0.01 ug/l 101 72-122 <br /> Benzo(a)pyrene N.D. 0.005 ug/l 84 70-118 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.01 ug/l 108 63-140 <br /> Dibenz(a,h)anthracene N.D. 0.005 ug/l 109 60-138 <br /> Benzo(g,h,i)perylene N.D. 0.01 ug/l 106 58-138 <br /> Batch number: 08063110101A Sample number(s) : 5289724 <br /> Total Phosphorus as PO4 water N.D. 250. ug/l 100 90-110 <br /> Batch number: 080631848001 Sample number(s) : 5289724 <br /> Calcium N.D. 63.2 ug/l 108 90-112 <br /> Iron N.D. 52.2 ug/l 106 90-112 <br /> Magnesium 18.6 13.5 ug/l 105 89-110 <br /> Potassium N.D. 50.3 ug/l 107 88-119 <br /> Sodium N.D. 433. ug/l 111 80-120 <br /> Manganese N.D. .84 ug/l 108 90-110 <br /> Boron N.D. 9.4 ug/l 108 90-110 <br /> Batch number: 08064020201A Sample number(s) : 5289724 <br /> Alkalinity to pH 4.5 N.D. 460. ug/l as 100 98-103 <br /> CaCO3 <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 />