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g!jj) SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> S , �f`#h x{rS:Y <br /> Client Project ID W016901, BJJ Trucking <br /> .Q <br /> { <br /> h,1710 Main Street Matrix Water hs <br /> �Escalon, CA 95320 k <br /> `';Attention Lois Frantz QC Sample Group 3GD1101-2 Reported Aug 10, 1993 <br /> v5,v h„��„Y�+, ♦wvv+n vYnnvµ,n ,N;• rry {ruff titia Nv 4nnri�{tr Y+n. ,rynn•4,+}r {•'+'4^i Ar+hb Yvr'' Yr ,rr K n} h, JL}v } �r <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes Diesel <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015 <br /> Analyst: M Nipp M Nipp M Nipp M Nlpp K Wimer <br /> Conc.Spiked: 10 10 10 30 300 <br /> Units: pg/L pg/L pg/L pg/L pg/L <br /> I <br /> LCS Batch#: BLK073093 BLK073093 BLK073093 BLK073093 BLK073093 <br /> Date Prepared: - - - - 7/30/93 <br /> Date Analyzed: 7/30/93 7/30/93 7/30/93 7/30/93 8/2/93 <br /> Instrument I.D.#: GCHP-3 GCHP-3 GCHP-3 GCHP-3 GCHP-313 <br /> LCS % <br /> Recovery 97 97 98 100 85 <br /> Control Limits: 80-120 80-120 80-120 80.120 80-120 <br /> k'i {�vv,. rf. + v4},n ,`},`}�, v3 vV+huuv ivpkr n< wr,nn ,4� h }{v rin iv vn o+ r^d}2]r,r i{� i+]bi ar4vM✓r uvu�r <br /> rr a ,p.� r v'r. ff ,+} r r.W vrr� '}rK,rrAS rtrrr i�.v'v �{n ytr ii}}^ir4'G Hili, rr:ry i, { v �i i��,i�Si.2.r4 }r rb'{+�, iii • r t r. } vin 3}}vim i}.+ i <br /> MS/MSD <br /> Batch #. 3GO3002 3GO3002 3603002 3G03W2 BLK07W93 <br /> Date Prepared - - 7/30/93 <br /> Date Analyzed: 7/30/93 7/30/93 7/30/93 7/30/93 8/2/93 <br /> Instrument I.D #: GCHP-3 GCHP-3 GCHP-3 GCHP-3 GCHP-36 <br /> Matrix Spike <br /> %Recovery. 94 94 93 93 85 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery: 96 95 96 97 82 <br /> Relative% <br /> Difference: 21 1 1 3 2 42 36 <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%reoovery data is used for <br /> validation of sample batch results Due to matrix effects,the OC limits for MS/MSD's are advisory only <br /> Vickie Tague and are not used to accept or reject batch results <br /> Project Manager 3GD1101 WAT <3> <br />