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r - , Sequoia 684 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX(415) 364 9233 <br /> Analytical 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988 9673 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br />*Fug'r6 West, Inc V v V 011eii0roject lD 'Sheilj41 N 0 Dorado, Stockon, CA`nv n�N rJvvJ 4 <br /> 1050 Melody lane, Ste 160 Matrix Water <br /> Roseville, CA 95678 <br /> Attention Sudhakar Talanki QC Sample Group 509-0177 Reported Sep 15, 1995 i <br /> „. ♦ ♦ r Ln a+ ! r n c S i. + r v ^ ♦•4v+u.A4 rvv.,. + o�+}r rLJ.ufv S'a,. + v L ,. ,..2'} rrru}+"v J. n,. a t ,. Jr ! n+ « ,.t v <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE 1,4-Dichloro- N-Nitroso-Di- 1,2,4-Trichloro- 4-Chloro-3- <br /> Phenol 2-Chlorophenol benzene N-proeylamine benzene Methylphenyl <br /> Method: EPA 625 EPA 625 EPA 625 EPA 625 EPA 625 EPA 625 <br /> Analyst B Pitamah B Pitamah B Pitamah 6 Pitamah B Pitamah B Pitamah <br /> Concentration <br /> 200 ug/L 200 ug/L 200 ug/L 240 ug/L <br /> Spiked- 200 ug/L 200 ug/L <br /> LCS Batch#- N/A N/A N/A N/A N/A N/A <br /> Date Prepared N/A N/A N/A N/A N/A N/A <br /> Date Analyzed. N/A N/A N/A N/A N/A N/A <br /> Instrument I.D.#- N/A N/A N/A N/A N/A N/A <br /> LCS % <br /> Recovery' N/A N/A N/A N/A N/A N/A <br /> • Control Limits: 5-112 23-134 20-124 RL-230 44-142 22-147 <br /> + ♦r v + ! v . ,.,t ^ r r a x J ♦f+.< trr+r.. ar v O +rJ +h2-" a + v++ r ave . + tJv xr+ M1 + <br /> J { + ! 4r♦w `~ A vrn'+- v r ry v v rr v + r w rrra <br /> r r r+- +mu vr'4+ } +rih++w r+ ..v r nr+ + ♦S vvmnu s >.++i rrr r+ ri +nv +- ni v v <br /> MS/MSD <br /> Batch D BS090795 BS090795 OS090795 BS090795 BS090795 BS090795 <br /> Date Prepared- 9/7/95 9/7/95 9/7/95 9/7/95 9/7/95 9/7/95 <br /> Date Analyzed: 9/8/95 9/8/95 9/8/95 9/8/95 9/8/95 9/8/95 <br /> Instrument LD #' H5 H5 H5 H5 H5 H5 <br /> Matrix Spike <br /> % Recovery- 33 60 55 65 60 85 <br /> Matnx Spike <br /> Duplicate % <br /> Recovery: 38 65 60 70 65 65 <br /> Relative% <br /> Difference: 16 80 87 74 so 0 0 <br /> lease Note <br /> SEQUOIA ANALYTICAL The LCS is a control sample of known,interferent tree matrix that is analyzed using the same reagents, <br /> reparation and analytical methods employed for the samples The LCS%recovery data is used for <br /> alidatlon 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 /> "LindaSchnider 40 <br /> Project Manager Page 1 of 2 <br /> 5094177 FUG <a> <br />