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superior Precision Ana4ericc7/,,' ,fnc. <br /> ' r 825 Arnold Drive Suite 1 I-} • Martinez California 94553 s 51 O) 229-I5I2 `ax (5I0) ZZREEN <br /> ED <br /> J U N 19 1992 <br /> :NVIRONMENTAL HEALTH <br /> C E R T I F I C A T E O F A N- A L Y S I S PERMIT/SERVICES <br /> LABORATORY NO. : 85600 DATE RECEIVED: 04/28/92 <br /> CLIENT: Golden West Builders DATE REPORTED: 05/07/92 <br /> CLIENT JOB NO. : NA DATE SAMPLED : 04/27/92 <br /> #3 <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS E <br /> by MODIFIED EPA SW-846 METHOD 5030 and 8015 <br /> LAB Concentration (mg/kg) <br /> # Sample Identification Gasoline Range <br /> ---- ---------------------- -------------- I <br /> 1 P3 5 ' ND< 1 <br /> 2 P3 10 ' ND<1 <br /> 3 P3 15 ' ND< 1 <br /> 4 P3 20 ' ND< 1 <br /> 5 P3 25 ' ND<1 <br /> 6 P3 30 ' ND< 1 <br /> 7 P3 35 ' ND< 1 <br /> 8 P3 40 ' ND<1 <br /> 9 P2 40 ' 1400 <br /> 10 P1 5 ' ND<1 <br /> 11 P1 10 ' ND<1 <br /> 12 PI 15 ' ND< 1 <br /> 13 P1 20 ' 10 <br /> 14 P1 251 2 <br /> 15 p2 5 ' ND<1 <br /> 16 P2 10 ' ND<1 <br /> 17 P2 15 ' ND< 1 <br /> 18 P2 20 ' 7 t <br /> 19 P2 25 ' 820 <br /> 20 P2 30 ' 4500 <br /> 21 P2 35 ' 5800 <br /> mg/kg - parts per million (ppm) <br /> Method Detection Limit for Gasoline in Soil: 1 mg/kg <br /> QAQC Summary: <br /> Daily Standard run at 2mg/L: RPD Gasoline = <15 <br /> MS/MSD Average Recovery = 92% : Duplicate RPD = 3 <br /> ,I s Richard Srna, Ph.D. <br /> l <br /> r <br /> Lamoratory Director <br /> r •-'�IE'� Lancrdtcr <br />