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10-21-1996 03 57PN FROM PACIFIC-SACRAMENTO Inc TO 12094683433 P 14 <br /> Sequoia0 ne Chotapcakc Drive Rtd�vood lam CA 94063 384-9600 FAX(415)364-9233 <br /> I 404 N %Wet laWalnut Geek CA 94596 ( ) 9889600 FAX(510)988 9673 <br /> i I ' An alrt caj 819 5tnkcr Avenue,Suite 8 SKrarnento CA 95834 (916) 921-90 FAX(916)920140 <br /> I <br /> I <br /> ; �L' +;c�S':�n3fi r ya �..,.hH"�... �_CW_ <br /> :�A .,-_ -.�:.,x-ae l•,�F�x<`<x.�r _.e` w�.r -- <br /> l aciic�virorimeW61�dr-oup Inc -thent Project D -0tievron 409-46258,Stockton,CA R <br /> f 11315 Sunrise Gold Cirde, *M Matrix Sol <br /> s>Rancho Cordova, CA 95742 =� ' <br /> Attention Rog Hoffmorex OC Sample Group 6091U19-21 I Reported Oct 2^ 19N, <br /> 1.��+�n.�x.•+.+ i.s�-AS a'S Sia i"a'Sax SF'hi5".�a^"i..r.�•`•S. YY]] <l-w4x-na A�`fYx � r�"+ .I�VFrnx�row� H<xv wYs-.. <br /> .aux AAwx"rrw.lf xa v-, iA+a�. .,,�A{.t�w rr 0"7`x+19 C'ttfYxx 7 f iwww4.�f.s Esc t*' � ' „cx k <br /> I I <br /> I <br /> QUALITY CONTROL DATA REPORT ' <br /> I 1 <br /> i i I <br /> � I I <br /> IMALrM <br /> I Quomrurrt Nicket Arsamc Vanadium <br /> I � I <br /> Method. EPA 6010 EPA 6010 EPA 6010 EPA 6010 <br /> Analys,: K Santa K.Bans K Barta K Barta 1 i <br /> Concerrtratio� <br /> Spike+ 50 m9/kg 50 mg/kg 50 mg/kg 50 mg/kg ' <br /> I I <br /> } I <br /> LCS EWc1hj' LCS09269e LCS0925% LCS092598 LCSU92596 <br /> t <br /> Date Prepared- 09/25/96 09/25/96 09/25/96 09/25/95 1 <br /> ! Date Analyzed: 09/30/96 09/30/95 09/30/96 09/30/96 <br /> Instrument I.D.,#: iCP•1 ECP-1 ICF t 1CP-1 <br /> I i <br /> I LCS% <br /> I Recovery' 9e 95 92 92 <br /> Control limits- 80-120 80120 84120 80-120 <br /> `7' � xs. <br /> I ,e,.,• n4sG.... a.:raxa'f �3x"'- xy Yiew"xx� . ^a i, w . xi' s 9-x �#.afi�i•.fit"" x 3�. " "1x46 1.w • q,�...,.�3F" <br /> "v~`hs.p`i�x". w;Jcw <br /> I 1 <br /> i MS/MSD 1 <br /> ' Gatch is 6091018 6091018 SN1016 6091018 <br /> E l <br /> I Date Pmparei; 09/25/96 09/25/96 09/25/96 09/25/96 <br /> i Date Arlalyzed� 09/30/.tis 09/30/96 09/30/96 09/30/96 i <br /> Instrument I D.1: ICP-1 tCP-1 ICP-1 ICP-1 <br /> Matlrlx Spil <br /> %Recovery 76 76 66 74 1 <br /> I I I <br /> Matrix Spire <br /> Duplicate% <br /> Recoveli: 76 80 64 75 <br /> i I <br /> RelaUve� <br /> Differen 26 51 30 13 i <br /> I ' <br /> I <br /> } P16ase Hole I <br /> 1 The WS Is a control sample of known interferent free matnx that is analyzed using the same reagents <br /> SEQUOIA ANALYTICAL preparation and analybuzil methods employed for the samples The LCS%recovery data Is used for <br /> f vaAdatlon of samplo hatch results Due to matin effects;the QC hrrnty fur MSjM_1;[ft are advisory only <br /> � 7 4 and are not used lav or r ect batch rosulta <br /> nda C $chnelilet <br /> Protect Manager/Sacramento Laboratory <br /> 6091019 PES <13> <br />