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DEC-31-1998 14: 12 �SHERWOOD LABS . 2096672581 P.32 <br /> ' Eatecb AAalytical Labs,Ine- 925 Del Ray Aveane,Suite E <br /> Sunnyvale,CA 94066 <br /> ' QUALITY CONTROL.RI;SUlLTS SUMMA ILY <br /> ' METHOD: Gas Chromatography-Volatile Organics <br /> QC Batch#: VOC2S981223 Date Analyzed: In3198 <br /> Matrix: Soil Quality Control Sample: Blanc Spike <br /> ' Units: <br /> ARAMEVER Method# SA SR SP ? SP SPD SPD RPD QC LIMITS <br /> ' pglkg mk& t •ti R 11gJ4 %R RPD 1 */OR <br /> :Benzene 8020 40 ND 37 9338 9b� 3.2 25 $5-110 1 <br /> :Chlo"Awnzene Solo 1 40 ND 40 100 40 99 1.0 25 81-120 <br /> 1.1-Dichloroethane 8010 40 ND 42 104 41 104 0.2 25 73-140 ; <br /> ;Toluene 1 8020 40 ND t 40 99 40 100 1.3 1 25 j 86-111 1 <br /> :Trichkwoethene 8010 I 40 t ND # 38 ! 96 1 38 96 0.3 25 74.129 1 <br /> pr pan 195% 1 610% 1 90% t ! 1 75-125 1 <br /> :2-Bromo-l�loro o a. 641/8010 � 1 <br /> aaa-Trifluonxoluene S 602/8020 1 1 93% 1 92% � � 93°k 75.125 I <br /> Note, LCS and LCSD results reported for the follo-ft Parameters: <br /> ' All <br /> Ar-cePptabit LCS and LCSD rmlis are reported when matrix interfsreaces cause MS and MSD results to fall outside <br /> ' established QC limits. <br /> ' Definition of Terms: <br /> na: Not Analyzed in QC batch <br /> SA: Spike Added <br /> SR Sample Result <br /> RPD(%): Duplicate Analysis-Relative Percent Difference <br /> ' SP: Spttle Result <br /> SP(*/oR): Spike%Recovery <br /> SPO: Spike Duplicstte Result <br /> SPD(%R): Spike Duplicatt%Recovery <br /> ' NC: Not Calculated <br /> ' 7..F tt7.1 -ItnTIA-Ik .Ri 1-CI'ziIN-4 bQQTQPIPAb Gb:bT RfRT/TC/7T <br />