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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 4 <br /> Quality Control Summary <br /> Client Name: Chevron Environmental Mgt. Co. Group Number: 1105078 <br /> Reported: 08/29/08 at 09:11 AM <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 Program Units %REC %REC Limits RPD RPD Max <br /> RL <br /> Batch number: 082260026A Sample number(s) : 5439777-5439778 <br /> TPH-DRO (C10-C25) Water N.D. 50. ug/l 69 70 57-118 2 20 <br /> Batch number: 08226028001A Sample number(s) : 5439778 <br /> Specific Conductance N.D. 1.7 umhos/c 106 98-106 <br /> M <br /> Batch number: 08226196601A Sample number(s) : 5439778 <br /> Chloride N.D. 200. ug/l 95 90-110 <br /> Sulfate N.D. 300. ug/l 99 89-110 <br /> Nitrate Nitrogen N.D. 50. ug/l 103 90-110 <br /> Nitrite Nitrogen N.D. 80. ug/l 102 90-110 <br /> Batch number: 08226WAP026 Sample number(s) : 5439777-5439778 <br /> Naphthalene N.D. 0.05 ug/l 86 86 68-100 0 30 <br /> Acenaphthylene N.D. 0.01 ug/l 94 89 69-126 5 30 <br /> Acenaphthene N.D. 0.01 ug/l 99 101 68-116 2 30 <br /> Fluorene N.D. 0.01 ug/l 92 90 49-145 2 30 <br /> Phenanthrene N.D. 0.01 ug/l 95 100 71-124 4 30 <br /> Anthracene N.D. 0.01 ug/l 82 87 68-122 6 30 <br /> Fluoranthene N.D. 0.01 ug/l 101 105 67-133 4 30 <br /> Pyrene N.D. 0.01 ug/l 98 100 68-128 2 30 <br /> Benzo(a)anthracene N.D. 0.01 ug/l 92 95 80-119 3 30 <br /> Chrysene N.D. 0.01 ug/l 97 100 80-124 2 30 <br /> Benzo(b)fluoranthene N.D. 0.01 ug/l 88 92 75-123 5 30 <br /> Benzo(k)fluoranthene N.D. 0.01 ug/l 102 109 72-122 7 30 <br /> Benzo(a)pyrene N.D. 0.003 ug/l 84 90 70-118 7 30 <br /> Indeno(1,2,3-cd)pyrene N.D. 0.01 ug/l 98 105 48-165 7 30 <br /> Dibenz(a,h)anthracene N.D. 0.003 ug/l 98 104 60-138 6 30 <br /> Benzo(g,h,i)perylene N.D. 0.01 ug/l 94 99 58-138 6 30 <br /> Batch number: 08227022101A Sample number(s) : 5439778 <br /> Ammonia Nitrogen N.D. 200. ug/l 96 91-100 <br /> Batch number: 08227108101A Sample number(s) : 5439778 <br /> Kjeldahl Nitrogen N.D. 500. ug/l 105 90-110 <br /> Batch number: 082271848001 Sample number(s) : 5439778 <br /> Calcium N.D. 70.2 ug/l 101 90-112 <br /> Iron N.D. 52.2 ug/l 104 90-112 <br /> Magnesium N.D. 13.5 ug/l 98 89-110 <br /> Potassium 85.8 50.3 ug/l 94 88-119 <br /> Sodium N.D. 433. ug/l 97 80-120 <br /> Manganese N.D. .84 ug/l 97 90-110 <br /> Boron N.D. 9.4 ug/l 102 90-110 <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 />