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Sequoia 680 Chesapeake Drive Redwood City;CA 94063 (415) 364-9600 FAX(415) 364 9233 <br /> 404 N WiBct Lane Walnut Creek,CA 94598 (510) 988 9600 FAx(510)988-9673 <br /> WI, F Analytical <br /> 819 Striker Avcnue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(9t6)921-0100 <br /> 0-Fugio West,Inc ry Client F�roject it) nShiaifr 41 N Ej boracio, Stockton;CA' n{ <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 r <br /> 4 } ,,.j,v r�,.,r rrd..ns,,,',,,,,r r<'' . `.o5s�5a.a°o r s .,,,Au ..«err:�`'"r,.i♦c,,,4 .,`r�:f.'.^. „,....r h. ...,DKNY fin`.':<5.. <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE 24-Dinitro- Penta- <br /> Acenaphthene 4-Nitro henoi toluene chloro henoi ene <br /> Method. EPA 625 EPA 625 EPA 625 EPA 625 EPA 625 <br /> Analyst: B Pdamah 8 Fitamah 8 Pdamah B Pitamah B Pitarnah <br /> Concentration <br /> Spiked` 200 ug/L 200 ug/L 200 ug/1- 200 ug/L 200 ug/L <br /> LCS Batch# N/A N/A N/A N/A N/A <br /> Date Prepared: N/A N/A N/A N/A N/A <br /> Date Analyzed: N/A N/A N/A N/A N/A <br /> Instrument I ❑ #' N/A N/A N/A N/A N/A <br /> LCS % <br /> • Recovery, N/A N/A N/A N/A N/A <br /> Control Limits. 47-145 RL-132 39-139 14176 52-115 <br /> v xw ru yr r v r uv n v r r. r v fi wu�.v„ { rv1Mi v-^4 4nN 4 r vrY`4 �{.'^:` •^ ry$"vintitiiv.vt n 4{v}�vr rry v a{.+,.n7nv n, t vrn <br /> t rµ }r rrw vv ` wn r 4 r 4 v4 +.vn+ wn v rw d`v r.w by {rnr♦x�++4`v r rc 4 rr rr. 1 n}vx .nn {'~}`rK vr>•�` • `�Yr r r rcr L4 r r`S v r sa vv • J.S <br /> MS/MSD <br /> Batch #' SS090795 BS090795 BS090795 BS090795 BS090795 <br /> Date Prepared: 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 <br /> Instrument LD #' H5 H5 H5 H5 H5 <br /> Matrix Spike <br /> % Recovery: 60 22 65 65 60 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery- 60 26 65 70 65 <br /> Relative% <br /> Difference: 00 17 00 74 so <br /> SEQUOIA ANALYTICAL Please Note <br /> The LCS is 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 /> valtdation of sample batch results Due to matrix effects,the OC limits for MS/MSo's are advisory only <br /> Lind Schneider and are not used to accept or reject batch results <br /> Project Manager Page 2 of 2 <br /> 5090177 FUG <9> <br />