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Sequoia q 680 C-esapvake et Lane[hive Redwcad Qty4 ,CA 94063 (413) 364.9600 FAX(413)364.9233 <br /> Analy icai 404 N.WIQet W1MI c,�,CA 94598 (510) 988.9600 FAX(510)988.9673 <br /> 819 Striker Avenue.$cite 8 Sacruecnto,CA 95834 (916) 921.9600 FAX(916)92l.010o <br /> ': 'iEs -�.:....:..:':::i�.G",',�•r,•t«:tt., ,:;rc-�r<t•..:.:,..,.,r;q::.:•.,,�r;••, <br /> Alton '. �. ,....r u.:;: `:r' .\\\\\1\`�/fr r \\: ri rr.::re•. .,.o. <br /> Geoscieice'' <br /> :Client project lb: N�o�11 #Od�43ra`cy `\� ` <;'; ,,����, • <br /> -5.30-A Lindbergh Ave. +' <br /> Livermore, <br /> Matrix: Liquid <br /> CA 94550 <br /> t <br /> <s <br /> Attention: Alfsa LeMay QC Sample Group: 5081083-100 <br /> „:::>:.. ...... RUg 28, 1995eported: <br /> i <br /> ::. <br /> i <br /> QUALITY CONTROL DATA REPORT <br /> ' Analyte: Mercury Silver Manganese Nitrite Nitrate <br /> Phosphate <br /> as NO2 as NO3 as P <br /> QC Batch#: ME082295 M8082195 ME082195 IN081495 IN081495 (NOS 1495 <br /> 2451 MDA 2007MDA 2007MOA 300011 D 300011 D 300011 D <br /> Ana ly. Method: EPA 245.1 EPA 272,1 EPA 200.7 EPA 300.0 EPA 300.0 EPA 300,0 <br /> Prep. Method: EPA 245.1 EPA 200.7 EPA 200,7 EPA 300.0 EPA 300.0 EPA 300.0 <br /> PAI ays : T.Le T. Le L Huang R Salinas R.Salinas R.Salinas <br /> MS/MSD #: 5081099 5081016 5081016 SM1075 5081075 5081075 <br /> Sample Cone.: N.D. 0.012 m9/L 0.066 mg/L N.D. 78 mg/L N.D, <br /> Prepared Date: 8/22/95 8/21/95 8/21/95 8/17/95 8/17/95 8/17/95 <br /> ' Analyzed Date: 8/23/95 8/22/95 8/23/95 8/17/95 8/17/95 8/17/95 <br /> Instrument I.D.#: MV-1 MV-1 MV-3 iNIG1 INIG1 INIG1 <br /> Conc. Spiked: 0.0020 mg/L 1.0 m9/L 1.0 mg/L 25 mg/L 100 mg/L 65 mg/L <br /> ' Result: 0.0021 1.0 1.1 22 170 <br /> MS %Recovery: 105 102 103 57 <br /> � 92 88 <br /> Dup. Result: 0.0023 1.0 1.1 <br /> 22 MSD% Recov.: 115 170 57 <br /> 99 103 88 92 86 ; <br /> RPD: 9.1 3.0 0.0' 0.0 RPD Limit: 0.20 ago 0 0 0.0 <br /> azo ago azo ago <br /> LCS#. BLK082295 BLK082195 BLK082195 300.ORS081=-1 300.ORS08F 1 300,0RS08t=-1 <br /> Prepared Date: 8/22/95 8/21/95 8/21/95 8/15/95 8/15/95 $/15/95 <br /> Analyzed Date: 8/23/95 8/22/95 8/23/95 8/15/95 8/15/95 8/15/95 <br /> Instrument I.D.#: MV-1 My-1 MV-3 INIC-1 1NIG1 INIG1 <br /> Conc. Spiked: a.o=mg/L 1.0 mg/L 1.0 mg/L 25 mg/L 10 mg/L 6.5 mg/L <br /> ' LCS Result: 0.0022 1.0 1.1 <br /> LCS % Recov.: 110 24 9 5 <br /> 1az 118 96 s77 955 <br /> LCS 75-125 75-125 75-125 80-120 <br /> ' Control Limits $x 137 80-122 <br /> Please NOW <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL, #1271 preparation,and analytical methods employed for the samples. The matrix spike is an aliquot of sample <br /> fortified with known quantities of specific compounds and subjected to the entire analytical procedure. If <br /> p " the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> interference,the LCS recove is to be used to validate the batch. <br /> Kevin Van Sl brook **M =Matrix pike,M50=M Quplicate, RPD=Relative%Difference <br /> Project Manager <br /> 5081083.ALT <17> <br />