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lr�nn �i i�jyZ� 0 jjA& 14V I (JU Y IY/L4 <br />' Sequoia 61*�pO"Dme Redweed Ga CA 94063 (650)364-9600 FAX(650)364.9233 <br /> Sequoia <br /> 404N W`pt lane W*wt Creek CA 945M (925)988-9600 FAX(9Z5)988-9673 <br /> Analytical A"" ""*9 Sarcrannent CA 95834 (916)921-9600 rAX(916)921-oloo <br /> 1455 McDowell 61vd North,Ste 0 Petaluma.CA 94954 (707)792 1965 FAX(707)79Z-0342 <br /> 1551 industrial Road San Carlos CA 94070-4111 (650)232-9600 FAX(650)232 9612 <br /> �s�� 1rxre h} ' df ul <br /> Errvlronmentalesolutlons Client Project ib ERI 227903, Unocal 509B <br /> 74 Digital Drive.Ste 6 Matrix Solid <br /> ;Novato, CA 94949 <br />' i<A}�tte.nprtion Mark <br /> DockFum..�Mnn� u Work Order# 9901L44 <br /> �07 _ Reported Mesar 29, 1999`s <br /> �SR7R�J.�aC]`+AS.�Y�i�iYdf�;'fin�,,'',,R��C�y'q"�,�i .�i.aT60P..�`3,���9,fii�dC«�:�� 5"4-rW��>�?�FS"Y�"'.�"��si'�cs.@iYihti��i �(-n�.� '��5,. �7-faii•}-lk�%kcs°�3�raY s-:r}<rits�r <br />' QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes BTEX as TPH <br />' Benzene <br /> CC Batch#: SPp2D999g02pp(A SP02W996020EXA SP0209996o2GM SP02 M8020EXA SP02OMS02DEM <br /> Analy Method; EPA 8020 FPA 9020 EPA 6020 EPA 8020 EPA 801SM <br /> Prep Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 EPA 50$0 <br /> Analyst- J Minkel J Minkel J Minkel J Minkel J Minkel <br /> MS/MSD#-. 9020276 9020278 9020276 9020276 9020276 <br /> Sample Conc : N D ND ND ND ND <br /> Prepared Date- 2/9/99 2/9/99 2/9/99 2/9/99 2/g/99 ' <br /> Analyzed Date. 2/9/99 2/9/99 2/9/99 2/9/99 2/9/99 <br /> Instrument I.D.#: HN HN HP4 HN HN <br /> Conc Spiked: o 80 mg/Kg 0 80 mg/kg 0 80 m9/KQ 2 4 mg/Kg 14 mgft <br /> Result- 0 97 095 092 31 13 <br /> MS%Recovery: 121 106 115 129 93 <br /> Dup Result: 1 1 092 097 33 13 <br /> MSD %Recov,: 138 115 121 138 93 <br /> RPD 13 79 53 62 00 <br /> RPD Limit- 0-20 0-20 0-20 0.20 0.50 <br /> LCS #: LCS020999 LCS020999 LCS020999 LCS020999 L05020M <br /> Prepared Date: 2/9/99 2/9/99 2/9/99 2/9/89 2/9/99 <br /> Analyzed Date. 2/9/99 2/9/99 2/s/99 2/9/99 2/9/99 <br /> Instrument LD#. HP4 HP4 HP4 HP4 HP4 <br /> Conc Spilled. 0 80 m$/Kg 0 80 MS/Kg 0.80 mg/K® 2 4 m9/Kg 14 mg/Kg <br />' LCS Result: 094 079 081 27 12 <br /> t_CS %Recov.; 17a 99 101 t 18 gg <br /> ics <br /> 50-150 50-150 50-150 50-150 50190 <br /> Control Limits <br /> Please Note <br /> TAe LCS Is a control sample of known,interferent-free matrix that is analyzed uslnp the same reagents, <br /> SEQ[IOIA ANAL AL w4paradon,and analygcW methods employed for the sanlples The matrut splka is an aliquot of sample <br /> P#1 77 fortified with known quentrtres of specific compounds and subjected to the entire analytical procedure if <br /> the reoovOry of analytes fror1 the matrix spike does not fall within specified control lrnuts due to matrix <br /> lnterference,the LCS rWOvOry is to be used to vaildate the batch <br /> avid A i ette <br /> Prof anager *•MS=Matrix Spike,MSD=MS Duplicate,FtPD=Relative%Difference S901E44 EEE a3> <br />