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1 <br /> Superior Precision l"atVVCal, Inc. <br /> 825 Arnold Drive. Sui[e 1 14 , Vhrrinez, California 94553 f510; 229-15 1 2 / fax (5 10) 229-1526 <br /> C E R T I F I C A T E C F A N A L Y S I S <br /> �i <br /> LASCRATCRY NO . : 05378 CA7E RECEIVED : 04/01 /02 <br /> CLIENT : Harding Lawson Associates DATE RcPCRTED : 04/08/92 <br /> CLIENT JOB NO. - 1 7060 , V25 . O;J Cr, c SAMPLED • 03/31 /92 <br /> ANALYSIS FOR TCTAL PETP,OLEUM H'(CP,CC,�ROCNS <br /> by 4t^uIrIED EPA 5:51-846 01ETh;;C 5030 a;U-' 0715 <br /> LAB Coni=_ trat i on (mg/1- ) <br /> L +". Sample -I den t i f i cation C Svl i n Ran e <br /> 2 . 4 <br /> 2 2 P1D 0 . C5 <br /> r�s:a .o5 <br /> ' n<^ C1 5 <br /> A. �U V V J <br /> c5 5 '!D.C(007 . ^C 5 <br /> 6 R'1J\ . 05 <br /> 7 2 . a <br /> a 9 9 <br /> 9 10 91 <br /> 10 11 PSD<0 . 05 <br /> 11 12 NC<C . 05 <br /> 1 ^c 13 ND<C . 05 <br /> i3 14 ND<0 . 05 <br /> 14 154 ND<0 . 05 <br /> 15 16 32 <br /> 16 17 ND<0 . 05 <br /> L <br /> mg/L parts per million ( ppm) <br /> LMethod Detection Limit for Gasoline in dater : 0 . 05 mg/L <br /> QAQC Summary : <br /> L. _ <br />[ Daily Standard run at 2mg/L • RPD Gasoline - < 15 <br /> f MS/MSD Average Recovery = 89/ : Duplicate RP2 = 1 <br /> LRichard Srna, Ph . D . <br /> 4Ltt"� <br /> La4or tory Director <br /> Cer rif,ed La�oraror+es <br />