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a1a) Sequoia 680 ChcsapcaKe Drive Red Wood Gc� CA 94063 (4 15) 3o4 9600 FAX 1415) 364 9233 <br />�t 1v00 Bates Avenue Sune L Concord CA x4520 (510} 686 96(K) FAX (5 101 686 9689 <br />%p Analytical L(9 ScrnKer Avenuc Su,tc 8 Sacramento CA 95834 1916) 921 9600 FAX (916) 921 0100 <br />'toroundwater Technology Client Project ID Chevron #9-2033, Stockton, CA <br />1401 Halyard Drive, Suite 140 Matrix Soil <br />> West Sacramento, CA 956911 <br />Attention Jason Fedota OC Sample Goup 5031072-1109 Reported Apr 4, 1995; <br />;S.""`K��y <br />QUALITY CONTROL DATA REPORT <br />ANALYTE 1.4Dlchloro- N -Nitroso -Di- 1,2,4Trichloro- 4-Chloro-3- <br />I <br />Phenol 2 -Chlorophenol benzene N-propylamine benzene Meth hen <br />Method: <br />EPA 8270 <br />EPA 8270 <br />EPA 8270 <br />EPA 8270 <br />EPA 8270 <br />EPA 8270 <br />Analyst: <br />S Hoffmann <br />S Hoffmann <br />S Hoffmann <br />S Hoffmann <br />S Hoffmann <br />S Hoffmann <br />Concentration <br />Spiked. <br />3300 ug/kg <br />3300 ug/kg <br />3300 ug/kg <br />3300 ug/kg <br />3300 ug/kg <br />3300 ug/kg <br />LCS Batch#. <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Date Prepared: <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Date Analyzed: <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Instrument I.D.#. <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />LCS °% <br />Recovery: <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Control Limits- <br />5-112 <br />23-134 <br />20-124 <br />DL -230 <br />44142 <br />22-147 <br />r <br />#ayokvs`}, 4 „ <br />"' Y r <br />kir ",n V .,..,. r, } <br />.y ry 1, .. u'h <br />r•..;.;} ;Y�x+�A },}�.,,} yw•r` +o-}r„wA <br />rim,,. ` RL"r�R „xa'J�wr�. yor x�^. hwY <br />O. s r. .,n ,.{ \ 4 n <br />, n v P v A <br />r , ,}, , , w rvu <br />,S rwr 3,4� v rx r... r. mri m^' J'w. v... -0s,UiCW+,Wt•3, htiv'rx,! ru,r „ it <br />vi nv kW. .,,r 1 rs, ew.wb."w 2 yr t' v n ,+ rJ nib <br />MS/MSD <br />Batch #: <br />9503E97-01 <br />95ME97-01 <br />9503E97-01 <br />9503E97-01 <br />95ME97-01 <br />95ME97-01 <br />Date Prepared: <br />3/22/95 <br />3/22/95 <br />3/22/95 <br />3/22/95 <br />3/22/95 <br />3/22/95 <br />Date Analyzed: <br />3/23/95 <br />3/23/95 <br />3/23/95 <br />3/23/95 <br />3/23/95 <br />3/23/95 <br />Instrument I.D.#: <br />Fa <br />F4 <br />F4 <br />R <br />R <br />F4 <br />Matrix Spike <br />% Recovery. <br />91 <br />a5 <br />76 <br />76 <br />82 <br />76 <br />Matrix Spike <br />Duplicate °% <br />Recovery: <br />82 <br />76 <br />70 <br />67 <br />76 <br />73 <br />Relative °% <br />Difference <br />11 <br />11 <br />83 <br />13 <br />77 <br />41 <br />FSEUOIA ANALYTICAL <br />Linda C Schneider <br />Project Manager <br />Please Note <br />The LCS 1s a control sample of known, interferent free matrix that is analyzed using the same reagents, <br />preparation and analytical methods employed for the samples The LCS % recovery data is used for <br />validation of sample batch results Due to matrix effects, the OC limits for MS/MSDs are advisory only <br />and are not used to accept or reject batch results <br />Page 1 of 2 <br />i� <br />5031072 GRIN <21 > <br />