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Acculabs Inc. <br /> Formerly West Laboratory <br /> Davis/Sacramento 1046 Olive Drive, Suite 2, Davis CA 95616 ■ 530-757-0920 ■ Fax 753-6091 <br /> August 17, 1998 <br /> Sample Log 18902 <br /> QC Report for EPA 8020 & Modified EPA 8015 <br /> ' Run Log : 2173Q <br /> From : Southland / #14117 <br /> Sample(s ) Received 08/14/98 <br /> ' Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery % Recovery RPD <br /> 1 <br /> Benzene 102 99 3 <br /> ' Ethylbenzene 101 97 4 <br /> TPH as Gasoline 107 104 3 <br /> * RPD = Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> ' <br /> % Recovery <br /> 0 <br /> . Benzene 102 <br /> Ethylbenzene 103 <br /> Gasoline 134 <br /> Parameter Method Blank <br /> Benzene <0 005 mg/Kg <br /> Toluene X0 . 005 mg/Kg <br />' Ethylbenzene <0 . 005 mg/Kg <br /> Total Xylenes <0 . 005 mg/Kg <br /> TPH as Gasoline <1 . 0 mg/kg <br /> .,tei.rart vocia.tsky �` <br /> .enior c.riemist vvv <br /> lilt-, on s North PF7oenrx a Davis/S,irr-rmento m Durango ■ Golden Sparks/Rent, <br />